History of investigations on fossil algae in Croatia

Headnote

ABSTRACT

Investigations of fossil algae in Croatia began in 1907 with the very first description of the Permian dasyclad Mizzia velebitana from Mt. Velebit by Austrian geologist Richard Schubert. This was followed by Julius Pia's investigations (1920, 1925), on material given to him by Schubert. The first Croatian researcher on fossil algae was Milan Herak, Pia's PhD student, with his first paper on Ladinian dasyclads published in 1950. He cooperated with a colleague from the Faculty of Science, Vanda Kochansky-Devidé, who published her first papers together with Herak on Permian and Carboniferous dasyclads in 1959 and 1960. While Herak focused on Triassic algae, Kochansky-Devidé investigated mostly Upper Palaeozoic algae and fusulinid foraminifera. Ivan Gusic comes from the same faculty, and his first paper was published in 1966. Momcilo Milanovic, from the Institute of Geology (the present day Croatian Geological Survey), published his first paper in 1962, focusing mainly on Permian algae. The most prolific researcher Branko Sokac also came from the Institute of Geology; his first papers dated from 1964, and he is still an active researcher. Over time, papers originating from the "Zagreb Algological School" become distinguished by rich and well illustrated fossil material, making numerous contributions to the better understanding of fossil benthic algae from younger Palaeozoic and Mesozoic strata. This was possible not only because of the diligence of the authors, but was also the result of the very thick and well exposed carbonate sequence of the Croatian Dinarides Mts. Rajka Radoicic from Beograd (Serbia) also described some taxa from Croatia. Almost all the research refers to dasycladal algae, while other algae are only rarely investigated. Complete references to all papers are given.

Keywords: History of investigations, fossil algae, calcareous algae, Croatia

Not many geological or palaeontological disciplines in Croatia have achieved such internationally relevant results as investigations on fossil calcareous algae. Merit for that goes to some prominent international and Croatian scientists who have also left their mark in other geological disciplines, not only in fossil algal research. This research was possible due the presence of the fascinating Croatian Dinaride mountains with their karst relief, and thick sequences of shallow-water carbonates, ranging from the late Permian to the Eocene, that contain a rich and various fl ora of calcareous benthic algae.

Investigations on fossil algae in Croatia can be traced back to 1907 and the first ever description of a Permian dasyclad alga by the Austrian geologist and palaeontologist Richard Johann Schubert (1876-1915; biography in AMPFERER, 1915). Croatia was at that time, part of the Austro- Hungarian Monarchy, so several Austrian geologists undertook investigations in this area. SCHUBERT (1907) described his climb in 1905 to southern Velebit Mt., through the torrent of "Mala Paklenica", across "Ivine Vodice" into the "Velika Paklenica" torrent, where above the hamlet of Ramici, within dark calcareous slates and limestones, he found spherical forms with a "rich facetted" surface, and recognised them as belonging to a dasycladacean algae, comparable to the Silurian Rhabdoporella and Recent Bornetella. He named these spherical forms Mizzia. He also found a gymnocodiacean alga "Gyroporella" bellerophontis ROTHPLETZ, latterly known as Gymnocodium, besides fusulinid foraminifera. He discovered a new algal (?) genus Stolleyella, that PIA (1920) deter- mined to be a synonym of the previously known genus Vermiporella. Schubert determined the Upper Carboniferous age of the strata based on foraminifera, especially the species Neoschwagerina craticulifera SCHWAGER, later confirmed to be the guide fossil for the Middle Permian (KOCHANSKY & HERAK, 1960; SREMAC, 1991). Valid description of the new genus and species Mizzia velebitana (Fig. 1) with illustrations, was soon given by SCHUBERT (1909).

Schubert was thorough investigator of the Croatian Dinarides. His most important works are the geological maps of Dalmatia and numerous published papers, especially those on the geology of Dalmatia, most of them published by the Vienna "Geologischen Reichsanstalt". He was one of the first micropalaeontologists with significant influence on the research of foraminifera.

Schubert gave some of the samples he gathered on Velebit Mt. to a young Austrian geologist who later became the most famous researcher on fossil algae - Julius von Pia (Fig. 2). Pia thanked Schubert for his help in his dissertation (PIA, 1912). It is interesting that PIA (1920, p. 6) states that the samples he received from Velebit were collected not only by Schubert but also by Dragutin Gorjanovic Kramberger, the most famous Croatian geologist and internationally known explorer of the Krapina Neanderthal men, probably during his short investigation of Velebit (GORJANOVIC-KRAMBERGER, 1900).

PIA (1920) in his most famous and most cited paper describes specimens from the Velebit Mt. in detail:

- Diplopora annulata var. dolomitica forma vesiculifera (now Kantia dolomitica) with typical specimens from the Crnopac area north of Gracac (probably on the Gracac - Obrovac road), Obrovac - Mali Alan - Sv. Rok road and from the Velika strana (locality unknown);

- Diplopora annulata var. dolomitica forma trichophora (now Diplopora annulata) from the Crnopac area, north of Gracac and Obrovac - Mali Alan - Sv. Rok road;

- Teutloporella vicentina from the Velika strana (locality unknown);

- Mizzia velebitana, Mizzia cf. yabei and Vermiporella velebitana from Paklenica, Schubert's original locality.

PIA (1925) once more illustrates and describes Diplopora annulata var. dolomitica from the Mali Alan area (see GRGASOVIC, 2007).

Julius von Pia (1887-1943) set the foundations of fossil algae research, primarily due to his capability and scrutinity. In addition, he had access to samples from the entire territory of the Monarchy. Pia's biography was published by HOFFMANN (1993). The impact of his work is still important today, and he also had a direct encouraging influence on the research done in Croatia.

After the beginning of World War II, the young Croatian scientist, Milan Herak (Fig. 3) came to Pia in Vienna in 1942, to study under his supervision. There, Herak studied Triassic sponges for his dissertation (HERAK 1943, 1944), which he finished at Zagreb University. It is interesting to note that the sponge genus Oligoplagia which he established there, later turned out to be a gymnocodiacean alga (ROUX, 1991). Unsurprisingly, Pia showed Herak not only sponges but also some samples of fossil algae, noting that they deserve attention, especially since Herak came from the area of the Dinarides, rich in the fossil algae. Unfortunately, Pia's entire collection wasn't available at the time since it had been moved to the Natural History Museum in Basel (Switzerland). Many years later, Herak did get a chance to study the collection (KOCHANSKY & HERAK, 1960, p. 66) which, as he himself said, helped him in his later research.

Although contact with Pia was encouragement to research fossil algae, it wasn't Herak's first encounter with these organisms. During study at Zagreb University, he and Vanda Kochansky, along with some other colleagues, helped Prof. Marijan Salopek in research of the Palaeozoic strata in Lika and Velebit Mt. Salopek, in his papers, repeatedly quoted dasyclad algae, but only as guide fossils and with no illustrations. In his papers (SALOPEK, 1942, 1952) he thanked his students and among them Herak and Kochansky for the help. Herak (pers. comm.) remembers that at the end of 1939 or at the beginning of 1940 he was given an assignment to determine the samples of Palaeozoic calcareous algae with basic instructions from colleague Vanda Kochansky who was a little bit more experienced. From Salopek's acknowledgments one can conclude that samples from the Baske Ostarije area (SALOPEK, 1942) were determined by Herak and Kochansky, and the ones from Paklenica (SALOPEK, 1952) by Kochansky.

It is hard to briefl y describe the opulent career of Prof. Herak (biography in GUSIC & KRANJEC, 1997; SOKAC et al., 1997; KOCH & GRGASOVIC, 1997; BENIC et al., 1997; BAHUN & BIONDIC, 1997). He was born in 1917 in Braslje vica village on Zumberak Mt., west of Zagreb, and worked in the Geological-Palaeontological Museum, Technical Museum and longest at the Faculty of Science in Zagreb. He became an associate member of the Yugoslav (today Croatian) Academy of Arts and Sciences in 1963 and a full member in 1973. Along with palaeontology, (besides sponges and fossil algae, he also investigated the cave bear), he was also very successful in stratigraphy, regional geology, geotectonics and karst hydrogeology. He tried to combine these disciplines, leaving in each of them disciples to continue his work. As he himself says, his entire life has been connected to karst.

His first algal research paper about Ladinian Dasycladacea and their stratigraphic relevance, (HERAK, 1950) was based mainly on the material he had found in the Geological - Palaeontological Museum that had been collected mostly by Marijan Salopek and partly by a prominent geologist and speleologist Josip Poljak. Most of Herak's palaeontological papers deal with Triassic algae. Among the important ones are the papers on the genus Diplopora (HERAK, 1957) and the genus Physoporella (HERAK, 1958), as well as papers on the application of fossil algae in stratigraphy (HERAK, 1950, 1956, 1965a,b), and presentations at international conferences (HERAK, 1960; HERAK et al., 1967). His course book in palaeobotany, (HERAK, 1953, 1963), with a large chapter on calcareous algae, is particularly important and has introduced these fossils to generations of geology and biology students. Prof. Herak, although retired, is still active, being focused on geotectonic interpretations and also studying the history of geological research in Croatia.

Vanda Kochansky-Devidé (1915-1990; Figs. 4-5) worked with Herak in the Geological - Palaeontological Department of the Faculty of Science in Zagreb and her entire career was dedicated to her greatest affection: palaeontology (biography in POLSAK et al., 1990). She began her career as Prof. Salopek's assistant and her interests included various fossil groups, among them the Miocene molluscs, Cretaceous and Eocene corals, palaeofl ora, Palaeozoic calcareous algae and especially foraminifera, most of all Upper Palaeozoic Fusulinids. She also dealt with popularization of geology and edited scientific journals, this very one you are reading among them. She became a full member of the Croatian Academy of Arts and Sciences in 1973 as one of the rare women. Her first papers on fossil algae were published together with Herak (HERAK & KOCHANSKY 1959, 1960; KOCHANSKY & HERAK, 1960). In contrast to him, she dedicated her research to the Palaeozoic algae. Besides those mentioned above, her important papers are on the genus Velebitella (KOCHANSKYDEVIDÉ, 1964), Physoporella (KOCHANSKY-DEVIDÉ, 1967), Connexia (KOCHANSKY-DEVIDÉ, 1979) and the Velebit Mt. Carboniferous calcareous algae (KOCHANSKYDEVIDÉ, 1970).

Milan Herak and Vanda Kochansky-Devidé, primarily due to their ability and methodical approach to research, but also due to the influence of their mentors, became the founders of what is called the "Zagreb algological school". The research of Croatian authors has become recognizable for an abundant and well illustrated fossil material and numerous contributions to the knowledge on Upper Palaeozoic and Mesozoic fossil algae. Scientists from this informal group developed rich correspondence with their colleagues from all over the world and participated in international meetings. This was neither common, nor simple in times when the world was divided into two blocks.

Professors Herak and Kochansky-Devidé conveyed part of their knowledge to their students, and some of them continued to study fossil calcareous algae. Ivan Gusic (Fig. 6) also worked as a professor at the same department (today it is the Geological Department), and for a short while at the Institute of Geology. Prof. Gusic was born in Zagreb in 1938 and has been a member of the Croatian Academy since 1992. Although his career is mainly connected to the Mesozoic stratigraphy of the Croatian Dinarides, at the beginning of his career he researched benthic foraminifera along with fossil algae. He wrote his first papers on the Macroporella-Pianella- Salpingoporella group (GUSIC, 1966, 1969).

HERAK, KOCHANSKY & GUSIC (1977) published their famous paper "The development of the Dasyclad Algae through the ages" in a book edited by Erik Flügel which contains papers from the first symposium on fossil algae when the "International Fossil Algae Association" was founded. Herak and Gusic participated in that symposium and discussed relevant issues in taxonomy and Dasyclad algae evolution with members of "The French group of fossil algae researchers" ("Groupe français d'étude des algues fossiles") and other scientists.

Prof. Jasenka Sremac (Fig. 5) began her career as Prof. Kochansky's assistant, and her investigations focused on stratigraphy, palaeoecology and palaeontology of Permian strata of the Outer Dinarides. She described fossil algae as important guide and palaeoenvironmental fossils (SREMAC, 1991).

The Institute of Geology, now called the Croatian Geological Survey, was founded in 1909 by, the already men- tioned, Dragutin Gorjanovic-Kramberger, under the name "Geological Commission for the Kingdom of Croatia and Slavonia". Although research in algae started in the Faculty of Science, it was extended at the Institute.

The initiation of the immense project of preparation of the "Basic Geological Map1:100.000" of the Former Yu goslavia provided impetus to the research on the algal fl ora, as well as on other microfossils. Research in the area of the Karst Dinarides, poor in macrofossils and lithologically homogenous, imposed the use of microfossils for stratigraphic division. During the decades of work, the abundant material has been collected and analyzed. Application of benthic algae and foraminifera in stratigraphy turned out to be a very important tool in geological research.

Several researchers on fossil algae have been working in the Institute of Geology. One of the first detailed investigations of the microfossil assemblages with the aim of stratigraphic division of Jurassic and Cretaceous deposits was performed by ANIC (1962) on the east Biokovo Mt.

Momcilo Milanovic (Fig. 7) was born in 1925 in the village of Bacina, near Jagodina in Serbia, and died in 1998 in Zagreb (biography in GUSIC, 1999). He did his diploma thesis with Prof. Kochansky who introduced him to fossil algae (KOCHANSKY-DEVIDÉ & MILANOVIC, 1962), which were the main interest of his entire career. Participating in investigations of the Upper Palaeozoic of Velebit Mt. and Lika, he collected rich fossil material, that he studied during the following years. He mostly researched Permian algae (MILANOVIC, 1965, 1966a, b, 1968, 1974, 1975). As a Palaeozoic specialist, he also determined other microfossils and participated in Palaeozoic research in the other parts of Croatia (Gorski Kotar, Hrvatsko Zagorje, Banovina).

Branko Sokac (Fig. 8) is the most productive Croatian researcher on fossil algae and also worked at the Institute. He was born in 1933 in Tivat (Montenegro). He has been a full member of the Croatian Academy of Sciences and Arts since 1992. In the beginning of his career he found his first fossil algae in the Triassic strata on the Krndija Mt. near Orahovica (eastern Croatia), that motivated him to became interested in that branch of palaeontology. He began to collect literature and make the first determinations of microscopic samples for himself.

Sokac belongs to the generation of members of the Institute of Geology that started and finished the vast work on the Basic Geological Map 1:100.000. During the 1960's the intense geological investigations on Velebit Mt. began. Ante Ivanovic in 1962 gathered a team (Figs. 9-11) which mapped the Obrovac sheet (IVANOVIC et al., 1973, 1976), the Gospic sheet (SOKAC et al., 1974, 1976b), a part of the Udbina sheet (SUSNJAR et al., 1973; SOKAC et al., 1976a) and later the Otocac sheet (VELIC et al., 1974; SOKAC et al., 1976c) and Ogulin sheet (VELIC & SOKAC, 1981; VELIC et al., 1982). Sokac became the leader of that team in 1963 and was followed by Velic in 1966. The great signifi cance of microfossils for stratigraphic determination of individual geological units was recognized even in the beginning of the research, so it was arranged that Sokac would do micropalaeontological analysis of the algae and Leon Nikler would analyze the foraminifera. This is the reason that almost all papers from the 60's and the 70's are signed by Sokac & Nikler and Nikler & Sokac (first papers were SOKAC et al., 1964 and NIKLER et al., 1964). Nikler (1932-1997) was less productive as a writer, and later in his career he completely turned away from palaeontology (biography in BOSKOVIC & SOKAC, 1998). When Ivo Velic became interested in benthic foraminifera, it was the beginning of a cooperation between him and Sokac (VELIC & SOKAC, 1974; VELIC & al., 1979), that set the foundations of the detailed biostratigraphy of the Croatian Dinarides, thus enabling its correlation to other countries.

A majority of Sokac's papers deals with Dasyclad algae which he has researched intensely and the only thing he has been dedicated to with so much passion is culinary. He has described a large number of new taxa from Croatia, but also from the neighboring areas - Bosnia and Herzegovina and Montenegro. He has always tried to base his descriptions on a large number of samples, richly document them with illustrations and he has mostly polished the microscopic slabs by himself. He has always taken into consideration his colleagues' opinions and studied in detail the papers they sent him. Sokac has been very critical of his own work and sometimes even opposes with arguments his earlier work in order to improve the knowledge of these tiny organisms that he has been so interested in. It is difficult to select some of his many pap ers, dealing with the Triassic (SOKAC, 1968, 1974; SOKAC & GRGASOVIC, 1995, 1998), Jurassic (NIKLER & SOKAC, 1965, 1967, 1968, 1970; SOKAC & NIKLER, 1966, 1969a,b, 1973b; SOKAC, 1988, 1992; SOKAC & VELIC, 1978a), and Cretaceous (SOKAC, 1985, 1986, 1989, 1990, 1993, 2000, 2005; SOKAC & GRGASOVIC, 2004; SOKAC & JELASKA, 1991; SOKAC & NIKLER, 1971, 1973a, 1975; SOKAC & VELIC, 1978b, 1980, 1981a,b,c, 1982, 1983). More recent ones that are extensive and a synthesis of his earlier research include SOKAC, (1987, 1996, 2001, 2004).

The present author (Fig. 12) also comes from the Croatian Geological Survey. Sokac instructed and enthused me in the art of fossil algal research, resulting mostly in work on the Triassic strata of northwestern Croatia (GRGASOVIC, 1997; GRGASOVIC et al., 2002).

One should definitely mention Rajka Radoicic (Fig. 13) from Belgrade (Serbia) who in her very productive career has also investigated fossil algae from Croatia. In describing some new species she has used material collected in Croatia, and some species have their type localities in Croatia (RADOICIC, 1965, 1967, 2002).

Most of the papers from the list of references (see Appendix) deal with dasyclad algae. Some deal with gymnocodiacean algae and only a few with red coralline algae, mainly based on the material from the Palaeocene (GUSIC, 1973; GUSIC & BABIC, 1973; BABIC et al., 1976; SIKIC, K. & SIKIC, L., 1978). Upper Badenian (Miocene) deposits from Croatia are rich in coralline fossils, but so far the only detailed research has been that in the explanatory notes of the geological maps and some papers of other geological disciplines.

Apart from the aforementioned authors, many other Croatian researchers have investigated benthic algae, mostly as guide fossils in the construction of geological maps, in scientific papers, and in Master's or Doctoral theses. Although their contribution has been immense, it is not possible to mention them all, primarily due to the fact that someone might involuntarily be left out.

Let me mention also Stjepko Golubic from Boston (USA) who has researched living as well as fossil Cyanobacteria from all over the world, and although he is an American scientist he originates from Croatia and was educated here (PhD at Zagreb University).

This text names only the authors who have researched fossil benthic algae because this research has a long history. Recently, there are colleagues dealing with fossil algal plankton but it seems too early to write about the history of such research.

The "9th International Symposium on Fossil Algae" was organized in Croatia in 2007 (Figs. 14-15) with fi eld trips to the Dinarides and the northwestern Croatia (GRGASOVIC & VLAHOVIC, 2007), celebrating 100 years of fossil algae research in Croatia.

SPECIES AND GENERA THAT HAVE BEEN DESCRIBED FROM CROATIA, OR BY CROATIAN AUTHORS:

(* mark type species of the genus. If the type locality is not indicated, it is not a new taxon but only nov. comb.)

Richard Johann Schubert

Mizzia SCHUBERT, 1909

*Mizzia velebitana SCHUBERT, 1909, emend. REZAK, 1959 - Middle Permian, Paklenica, Velebit Mt., Croatia

Stolleyella SCHUBERT, 1909 [younger synonym of Vermiporella STOLLEY, 1893, after PIA, 1920]

*Stolleyella velebitana SCHUBERT, 1909 [cf. Vermiporella velebitana (SCHUBERT, 1909) PIA, 1920] - Middle Permian, Paklenica, Velebit Mt., Croatia - problematic microfossil, affiliation to algae is not certain

Milan Herak

Cayeuxia mediterranea HERAK, 1967 - cyanobacteria, Jurassic, island of Chios, Greece

Diplopora annulata subsp. annulata (PIA, 1920) HERAK, 1957 [= forma trichophora PIA, 1920; = Diplopora annulata (SCHAFHÄUTL, 1853) 1863]

Diplopora annulata subsp. dolomitica HERAK, 1957 [= forma vesiculifera PIA 1920; cf. Kantia dolomitica PIA, 1912, emend. GÜVENÇ, 1979]

Diplopora hexaster subsp. helvetica (PIA, 1912) HERAK, 1965 [cf. Poncetella helvetica (PIA, 1912) GÜVENÇ, 1979]

Diplopora hexaster subsp. hexaster (PIA, 1912) HERAK, 1965 [cf. Poncetella hexaster (PIA, 1912) GÜVENÇ, 1979]

Diplopora subtilis PIA var. graeca HERAK, 1967 [cf. Kantia? subtilis var. graeca (HERAK, 1967) GÜVENÇ, 1979] - Anisian, island of Chios, Greece

Oligoporella chia HERAK, 1967 - Ladinian, island of Chios, Greece

Physoporella croatica HERAK, 1958 [typification in GRANIER & DELOFFRE, 1995] - Anisian, environs of Knin, Croatia

Physoporella likana HERAK, 1965 [typification in GRANIER & DELOFFRE, 1995] - Middle Triassic (? Ladinian), Sv. Rok, Lika, Croatia

Physoporella minutoloidea HERAK, 1967 - Anisian, island of Chios, Greece

Milan Herak and Vanda Kochansky-Devidé

Anthracoporella vicina KOCHANSKY & HERAK, 1960 - Carboniferous, Okroznik, Vitanje, N Celje, Slovenia, with additional material from the Carboniferous, Brusane, Velebit Mt., Croatia

Clavaporella KOCHANSKY & HERAK, 1960, emend. VACHARD, 1980

*Clavaporella caliciformis KOCHANSKY & HERAK, 1960 - Middle Permian pebble from the Anisian conglomerate, Matkovic, NW Bar, Montenegro

Clavaporella conforma (ENDO, 1958) KOCHANSKY & HERAK, 1960, nom. nud. [= Clavaphysoporella conforma ENDO, 1958, nom. nud.]

Clavaporella faceta (ENDO, 1958) KOCHANSKY & HERAK, 1960, nom. nud. [= Clavaphysoporella faceta ENDO, 1958, nom. nud.]

Diplopora pusilla KOCHANSKY & HERAK, 1960 [cf. Eovelebitella pusilla (KOCHANSKY & HERAK, 1960) VACHARD, 1974; = Clavaporella pusilla (KOCHANSKY & HERAK, 1960) VACHARD, 1980] - Middle Permian pebble from the Anisian conglomerate, Matkovic, NW Bar, Montenegro

Epimastopora alpina KOCHANSKY & HERAK, 1960, nom. nud. [cf. Epimastoporella alpina KOCHANSKY & HERAK ex ROUX 1979] - based on specimens from the Lower Permian, Col Mezzode, Forni Avoltri, Friuli-Venezia Giulia, Italy from PIA (1937), with additional material from the Lower Permian of Jezersko, Slovenia

Epimastopora likana KOCHANSKY & HERAK, 1960 [younger synonym of Epimastoporella japonica (ENDO, 1951) ROUX, 1979, after MAMET & ROUX in MAMET et al., 1987] - Lower Permian, Velebit Mt., Croatia

Mizzia cornuta KOCHANSKY & HERAK, 1960 - Middle Permian, environs of Bar, Montenegro, with additional material from the Middle-Upper Permian, Crne grede, Velebit Mt., Croatia and Middle Permian, Bohinjska Bela, Slovenia

Pseudoepimastopora kroatiaca HOMANN, 1972, nom. nud. [synonym of Epimastoporella japonica (ENDO, 1951) ROUX, 1979, after MAMET & ROUX in MAMET et al., 1987; cf. Epimastoporella kroatiaca HOMANN ex ROUX 1979] - based on specimens from the Upper Carboniferous, Brusane, Velebit Mt., Croatia from KOCHANSKY & HERAK (1960)

Vanda Kochansky-Devidé

Connexia KOCHANSKY-DEVIDÉ, 1970

*Connexia slovenica KOCHANSKY-DEVIDÉ, 1979 - Lower Permian, Ortnek, Dolenjsko, Slovenia, with additional material from Karavanke Mts. and Julian Alps Mts., Slovenia

Gyroporella intusannulata KOCHANSKY-DEVIDÉ, 1970 - Low er Permian, Gozd-Martuljek, Kranjska Gora, Slovenia

Physoporella leptotheca KOCHANSKY-DEVIDÉ, 1967 - Triassic (? Upper Anisian), Zeleznica, Gozd-Martuljek, Kranjska Gora, Slovenia

Velebitella KOCHANSKY-DEVIDÉ, 1964

Velebitella simplex KOCHANSKY-DEVIDÉ, 1964 [cf. Pseudovelebitella simplex (KOCHANSKY-DEVIDÉ, 1964) MAMET & ROUX, 1978] - Lower Permian, environs of Sv. Rok, Lika, Croatia, with additional material from the Upper Carboniferous, environs of Medak, Velebit Mt., Croatia

*Velebitella triplicata KOCHANSKY-DEVIDÉ, 1964 - Upper Permian, Egeljac - Silovic, Velebit Mt., Croatia

Momcilo Milanovic

Goniolinopsis MILANOVIC, 1966b, emend. MU, 1984

*Goniolinopsis hexagona MILANOVIC, 1966b - Lower Permian, Velebit Mt., Croatia

Hexaella MILANOVIC, 1989

*Hexaella heraki MILANOVIC, 1989 - Lower Permian, Gorski kotar, Croatia - problematic microfossil, probably an alga

Kochanskyella MILANOVIC, 1974

*Kochanskyella tulipa MILANOVIC, 1974 - Lower Permian, environs of Gospic, Velebit Mt., Croatia

Likanella MILANOVIC, 1966a [typification in GRANIER & DELOFFRE, 1995]

Likanella minima MILANOVIC, 1986, nom. nud (no description and illustration). - Lower Permian, environs of Mrzle Vodice, Gorski kotar, Croatia

*Likanella spinosa MILANOVIC, 1966a [typification in GRANIER & DELOFFRE, 1995] - Middle-Upper Permian, VelebitMt., Croatia

Salopekiella MILANOVIC, 1965 [typification in GRANIER & DELOFFRE, 1995]

Salopekiella breziki MILANOVIC, 1975, nom. nud. [cf. Uragiellopsis breziki MILANOVIC ex VACHARD, 1980] - Lower Permian, environs of Medak, Velebit Mt., Croatia

Salopekiella? kochanskae MILANOVIC, 1968, nom. nud. [cf. Clavaporella kochanskae MILANOVIC ex VACHARD, 1980] - Lower Permian, environs of Medak, Velebit Mt., Croatia

*Salopekiella velebitana MILANOVIC, 1965 [typification in GRANIER & DELOFFRE, 1995] - Middle-Upper Permian, environs of Medak, Velebit Mt., Croatia

Branko Sokac

Biokoviella SOKAC, 2004

*Biokoviella robusta (SOKAC, 1993) SOKAC, 2004 [= Salpingoporella robusta SOKAC, 1993] - Upper Barremian, Biokovo Mt., Croatia

Biokoviella gusici SOKAC, 2004 - Upper Barremian, Biokovo Mt., Croatia

Clypeina caliciformis NIKLER & SOKAC, 1970 [typification in GRANIER & DELOFFRE, 1993] - Upper Malmian, island of Lastovo, Croatia

Clypeina delmatarum SOKAC & VELIC, 1981a [cf. Humiella delmatarum (SOKAC & VELIC, 1981a) SOKAC, 1987] - Upper Berriasian-Valanginian, Biokovo Mt., Croatia

Clypeina gigantea SOKAC, 1996 - Lower Barremian, island of Mljet, Croatia

Clypeina radici SOKAC, 1986 - Neokomian, road Slano-Zavala, Herzegovina, Bosnia and Herzegovina

Coniporella piriformis SOKAC & VELIC, 1981c [cf. Humiella piriformis (SOKAC & VELIC, 1981c) GRANIER & DELOFFRE, 1993] - Upper Berriasian-Valanginian, Biokovo Mt., Croatia

Crinella SOKAC & NIKLER, 1973a [typification in GRANIER & DELOFFRE, 1993]

*Crinella carsica SOKAC & NIKLER, 1973a [typification in GRANIER & DELOFFRE, 1993] - Barremian-Aptian, environs of Niksic, Montenegro

Cymopolia longistila SOKAC & NIKLER, 1971 [typification in GRANIER & DELOFFRE, 1993] - Lower Cretaceous, environs of Niksic, Montenegro

Cymopolia velici SOKAC & NIKLER, 1973a [typification in GRANIER & DELOFFRE, 1993] - Barremian-Aptian, environs of Niksic, Montenegro

Cylindroporella anici NIKLER & SOKAC, 1965, nom. nud. [cf. Heteroporella anici (NIKLER & SOKAC, 1965) GRANIER & DELOFFRE, 1993] - Upper Jurassic, Velebit Mt., Croatia

Cylindroporella bradarici SOKAC, 1990 [younger synonym of Cylindroporella taurica CONRAD & VAROL, 1990] - Albian, E Ogulin, Croatia

Dinarella SOKAC & NIKLER, 1969a

*Dinarella kochi SOKAC & NIKLER, 1969a - Lower Liassic, Velebit Mt., Croatia

Euspondyloporella SOKAC & NIKLER, 1973a [young er synonym of Triploporella (STEINMANN, 1880) BARATTOLO, 1981, after GRANIER & DELOFFRE, 1993 - typification]

*Euspondyloporella duplicata SOKAC & NIKLER, 1973a, nom.nud. [= Triploporella duplicata (SOKAC & NIKLER, 1973a) GRANIER & DELOFFRE, 1993] - Barremian- Aptian, environs of Niksic, Montenegro

Fanesella anae SOKAC, 1988 [cf. Palaedasycladus anae (SOKAC, 1988) SOKAC, 2001; typification in GRANIER & DELOFFRE, 1993] - Lower Liassic, Velebit Mt., Croatia

Favoporella SOKAC, 1968 [? younger synonym of Kantia PIA, 1912, emend. GÜVENÇ, 1979]

*Favoporella annulata SOKAC, 1968 [? younger synonym of Diplopora annulatissima PIA, 1920, after OTT, 1972;? cf. Kantia monregalensis BARETTI, 1919] - Upper Anisian - Lower Ladinian, Velebit Mt., Croatia

Griphoporella minima NIKLER & SOKAC, 1967 - Oxfordian - Kimeridgian

Gyroporella lukicae SOKAC & VELIC, 1982 - Lower Aptian, environs of Jajce, Bosnia and Herzegovina

Helioporella SOKAC & NIKLER, 1973a [typification in GRANIER & DELOFFRE, 1993]

*Helioporella cylindrica SOKAC & NIKLER, 1973a [typifi - cation in GRANIER & DELOFFRE, 1993] - Barremian- Aptian, environs of Niksic, Montenegro

Humiella (SOKAC & VELIC, 1981a) SOKAC, 1987

Humiella japodica SOKAC, 2001 - Lower Liassic, Velebit Mt., Croatia

Humiella? pupnatensis SOKAC, 1987 - Upper Barremian - Lower Aptian, island of Korcula, Croatia

Humiella sardiniensis (OTT & FLAVIANI, 1983) SOKAC, 1987 [= Lagenoporella sardiniensis OTT & FLAVIANI, 1983]

*Humiella teutae SOKAC & VELIC, 1981a [= Humiella catenaeformis (SOKAC, & NIKLER, 1973a) GRANIER & DELOFFRE, 1993] - Neocomian, S Hercegovina, Bosnia and Herzegovina

Korkyrella SOKAC & VELIC ex SOKAC, 2004

Korkyrella ivanovici SOKAC, 1987 nom. nud. [cf. Cylindroporella ivanovici (SOKAC, 1987) MASSE & LUPERTO- SINNI, 1989, nom. nud.; synonym of Korkyrella texana (JOHNSON, 1965) SOKAC, 2004] - Uppermost Barremian - Lower Aptian, island of Korcula, Croatia

*Korkyrella texana (JOHNSON, 1965) SOKAC, 2004 - based on specimens from the Albian, USA from JOHNSON (1965) with additional material from the Dinaride Mts., Croatia

Linoporella kapelensis SOKAC & NIKLER, 1973b - Tithonian, Velika Kapela Mts., Croatia

Linoporella svilajensis SOKAC & VELIC, 1976 - Upper Jurassic - Lower Cretaceous, Svilaja Mt., Croatia

Linoporella vesiculifera SOKAC, 2005 - Upper Barremian, Biokovo Mt., Croatia

Macroporella aptiensis SOKAC, 1989 [synonym of Neomeris cretacea STEINMANN, 1899, after SOKAC, 2004] - Lower Aptian, Grabrk, SW Karlovac, Croatia

Macroporella incerta SOKAC & NIKLER, 1973a [cf. Salpingoporella incerta (SOKAC & NIKLER, 1973a) BASSOULLET et al., 1978; typification in GRANIER & DELOFFRE, 1993] - Barremian-Aptian, environs of Niksic, Montenegro

Macroporella verticillata SOKAC & NIKLER, 1973a[= Salpingoporella verticillata (SOKAC & NIKLER, 1973a) BASSOULLET et al., 1978; synonym of Salpingoporella incerta (SOKAC & NIKLER, 1973a) BASSOULLET et al., 1978, after SOKAC in GRANIER & DELOFFRE, 1993 - typification] - Barremian-Aptian, environs of Niksic, Montenegro

Montenegrella SOKAC & NIKLER, 1973a [typification in GRANIER & DELOFFRE, 1993]

Montenegrella fustiformis SOKAC & NIKLER, 1973a, nom. nud. - Barremian-Aptian, environs of Niksic, Mon tenegro

*Montenegrella tubifera SOKAC & NIKLER, 1973a [typifi - cation in GRANIER & DELOFFRE, 1993] - Barremian- Aptian, environs of Niksic, Montenegro

Montenegrella verae SOKAC & NIKLER, 1973a [synonym of Montenegrella tubifera SOKAC & NIKLER after SOKAC in GRANIER & DELOFFRE, 1993 - typification] - Barremian- Aptian, environs of Niksic, Montenegro

Palaeodacycladus alanensis SOKAC, 2001 - Lower Liassic, Mali Alan pass, Velebit Mt., Croatia

Palaeodacycladus astericus SOKAC, 2001 - Lower Liassic, Mali Alan pass, Velebit Mt., Croatia

Palaeodacycladus benceki SOKAC, 2001 - Lower Liassic, Mali Alan pass, Velebit Mt., Croatia

Palaeodacycladus dolomiticus (CROS & LEMOINE, 1966) SOKAC, 2001[= Fanesella dolomitica CROS & LEMOINE, 1966]

Petrascula? heraki SOKAC & NIKLER, 1966 [cf. Palaeodacycladus mediterraneus var. heraki (SOKAC & NIKLER, 1966) SOKAC, 2001] - Lower Liassic, Velebit Mt., Croatia

Petrascula? illyrica SOKAC & NIKLER, 1966 [cf. Palaeodacycladus mediterraneus var. illyricus (SOKAC & NIKLER, 1966) SOKAC, 2001] - Lower Liassic, Velebit Mt., Croatia

Palaeodacycladus mediterraneus var calciticus SOKAC, 2001 - Lower Liassic, Mali Alan pass, Velebit Mt., Croatia

Palaeodacycladus multiporus SOKAC, 2001 - Lower Liassic, Mali Alan pass, Velebit Mt., Croatia

Piriferella SOKAC 1996

Piriferella somalica (CONRAD, PEYBERNES & MASSE, 1983) SOKAC, 1996 [= Clypeina somalica CONRAD, PEYBERNES & MASSE, 1983; = Similiclypeina somalica (CONRAD, PEYBERNES & MASSE, 1983) BUCUR, 1993]

*Piriferella spinosa SOKAC, 1996 - Upper Barremian, island of Mljet, Croatia

Praturlonella pejovicae (RADOICIC, 1969) SOKAC, 1996 [= Clypeina pejovicae RADOICIC, 1975, non 1969; = Likanella pejovicae (RADOICIC, 1969) BASSOULLET et al., 1978; = Selliporella pejovicae (RADOICIC, 1969) SOKAC & VELIC, 1978a]

Salpingoporella biokovensis SOKAC & VELIC, 1980 - Upper Barremian, Biokovo Mt., Croatia

Salpingoporella croatica SOKAC, 1992 - Upper Doggerian, Osojnik, environs of Dubrovnik, Croatia

Salpingoporella donatae SOKAC, 2000 - Upper Coniacian - Campanian, Primosten, Croatia

Salpingoporella heraldica SOKAC, 1996 - transition Barremian- Apian, island of Korcula, Croatia

Salpingoporella polygonalis SOKAC, 1996 - Lower Barremian, island of Mljet, Croatia

Salpingoporella polsaki SOKAC & JELASKA, 1991 - Middle? - Upper Cenomanian, island of Brac, Croatia

Salpingoporella robusta SOKAC, 1993 [cf. Biokoviella robusta (SOKAC, 1993) SOKAC, 2004 ] - Upper Barremian, Biokovo Mt., Croatia

Salpingoporella verrucosa SOKAC, 1996 - Upper Barremian, island of Mljet, Croatia

Selliporella dalmatica SOKAC & VELIC, 1978a [cf. Praturlonella dalmatica (SOKAC & VELIC, 1978a) SOKAC, 1996; = "Dasycladacea" dalmatica RADOICIC, 1968, nom. nud.; = Verticilloporella dalmatica RADOICIC ex RAVIV & LORCH 1970, nom. nud.] - Upper Barremian, island of Korcula, Croatia

Selliporella? problematica SOKAC, 2001 - Lower Liassic, Mali Alan pass, Velebit Mt., Croatia

Tintinnopsella kapelensis VELIC & SOKAC, 1976 [synonym Campbelliella striata (CAROZZI, 1954) RADOICIC, 1959c, emend. DE CASTRO, 1993] - Tithonian, Velika Kapela Mt., Croatia

Trinocladus? niksici SOKAC & NIKLER, 1973a, nom. nud. - Barremian-Aptian, environs of Niksic, Montenegro

Triploporella bacilliformis SOKAC, 1985 - Lower Aptian, island of Korcula, Croatia

Triploporella issaensis SOKAC & NIKLER, 1975 - Aptian -?Lower Albian, island of Vis, Croatia

Triploporella marsicana PRATURLON, 1964 var. adriatica SOKAC & NIKLER, 1975 - Aptian -?Lower Albian, island of Vis, Croatia

Triploporella marsicana PRATURLON, 1964 var. marsicana SOKAC & NIKLER, 1975

Uragiella ragusina SOKAC, 1992 - Upper Doggerian, Osojnik, environs of Dubrovnik, Croatia

Uragiella matzi SOKAC & VELIC, 1983 - Upper Cretaceous, Primosten, Croatia

Branko Sokac and Tonci Grgasovic

Asterocalculus SOKAC & GRGASOVIC, 1998

*Asterocalculus heraki SOKAC & GRGASOVIC, 1998 - gymnocodiacean, Rhaetian, Zumberak Mt., Croatia

Dissocladella bystrickyi SOKAC & GRGASOVIC, 1995 - Norian - Rhaetian, Gornje Vrapce, Medvednica Mt., Croatia

Megaporella nikleri SOKAC & GRGASOVIC, 2004 - Upper Barremian, Biokovo Mt., Croatia

Scinderella GRGASOVIC & SOKAC, 2002

*Scinderella scopuliformis GRGASOVIC & SOKAC, 2002 in GRGASOVIC et al., 2002 - Anisian, Belski dol, Ivanscica Mt., Croatia

Ivan Gusic

Clypeina croatica GUSIC in DELOFFRE & RADOICIC, 1978 [= Salopekiella inopinata GUSIC, 1967, nom. nud.]

Cymopolia heraki GUSIC, 1967 [? younger synonym of Cymopolia mayaense JOHNSON & KASKA, 1965, after DELOFFRE & RADOICIC, 1978] - Middle Maastrichtian, environs of Jajce, Bosnia and Herzegovina

Macroporella (Pianella) adriatica GUSIC, 1966 [cf. Salpingoporella adriatica (GUSIC, 1966) CONRAD, PRATURLON & RADOICIC, 1973] - Berriasian - Valanginian, Istria, Croatia

Macroporella (Pianella) istriana GUSIC, 1966 [cf. Salpingoporella istriana (GUSIC, 1966) CONRAD, PRATURLON & RADOICIC, 1973] - Berriasian - Valanginian, Istria, Croatia

Salopekiella inopinata GUSIC, 1967, nom. nud. [cf. Clypeina croatica GUSIC in DELOFFRE & RADOICIC, 1978 - validisation and new name] - Middle Maastrichtian, environs of Jajce, Bosnia and Herzegovina

Rajka Radoicic

Actinoporella kukoci RADOICIC, 1974 [typification in RADOICIC, 1975] - Paleocene, island of Korcula, Croatia

Bacinella irregularis RADOICIC, 1959b - Lower Cretaceous, Bacinska jezera, Ploce, Croatia - problematic microfossil, probably an alga

"Dasycladacea" dalmatica RADOICIC, 1968, nom. nud. [cf. Praturlonella dalmatica (SOKAC & VELIC, 1978) SOKAC, 1996; = Selliporella dalmatica SOKAC & VELIC, 1978; = Verticilloporella dalmatica RADOICIC ex RAVIV & LORCH, 1970, nom. nud.] - transition Barremian- Aptian, island of Mljet, Croatia

Pianella turgida RADOICIC, 1965, nom. nud. [cf. Salpingoporella turgida RADOICIC, 1965; typification in RADOICIC, 1975] - Albian, island of Mljet, Croatia

Salpingoporella dinarica RADOICIC, 1959a - Barremian- Aptian, environs of Podgorica, Montenegro, with additional material from Bacinska jezera, Ploce, Croatia

Salpingoporella melitae RADOICIC, 1967 [typification in RADOICIC, 1975] - Upper Barremian - Lower Aptian, island of Mljet, Croatia

Salpingoporella pasmanica RADOICIC, 2002 - Middle Campanian, island of Pasman, Croatia

SPECIES AND GENERA DEDICATED TO THE CROATIAN AUTHORS:

Milan Herak

Asterocalculus heraki SOKAC & GRGASOVIC, 1998 - gymnocodiacean, Rhaetian, Zumberak Mt., Croatia

Physoporella heraki BYSTRICKÝ, 1967 - Carnian, West Carpathian Mts., Slovakia

Cymopolia heraki GUSIC, 1967 [? younger synonym of Cymopolia mayaense JOHNSON & KASKA, 1965, after DELOFFRE & RADOICIC, 1978] - Middle Maastrichtian, environs of Jajce, Bosnia and Herzegovina

Hexaella heraki MILANOVIC, 1989 - Lower Permian, Gorski kotar, Croatia - problematic microfossil, probably an alga

Petrascula? heraki SOKAC & NIKLER, 1966 [cf. Palaeodacycladus mediterraneus var. heraki (SOKAC & NIKLER, 1966) SOKAC, 2001] - Lower Liassic, Velebit Mt., Croatia

Vanda Kochansky-Devidé

Cylindroporella kochanskyae RADOICIC, 1970 [typification in RADOICIC, 1975] - Lower Turonian, Milanovac Mt., Kosovo

Kochanskyella MILANOVIC, 1974

*Kochanskyella tulipa MILANOVIC, 1974 - Lower Permian, environs of Gospic, Velebit Mt., Croatia

Salopekiella? kochanskae MILANOVIC, 1968, nom. nud. [cf. Clavaporella kochanskae MILANOVIC ex VACHARD, 1980] - Lower Permian, environs of Medak, Velebit Mt., Croatia

Momcilo Milanovic

Milanovicella GRANIER & BERTHOU, 1994

*Milanovicella momciliana GRANIER & BERTHOU, 1994 - Portlandian Algarve, Portugal

Branko Sokac

Aciculella sokaci BYSTRICKÝ, 1975 - Norian, Stratenská hornatina Mts., Slovakia

Fanesella sokaci BARATTOLO& BIGOZZI, 1996 in BARATTOLO et al., 1996 [younger synonym Palaeodacycladus dolomiticus (CROS & LEMOINE, 1966) SOKAC, 2001, after SOKAC, 2001] - Lower Jurassic, Gran Sasso Mt., Central Apennines, Italy

Leon Nikler

Aciculella nikleri BYSTRICKÝ, 1975 - Norian, Stratenská hornatina Mts., Slovakia

Ivan Gusic

Biokoviella gusici SOKAC, 2004 - Upper Barremian, Biokovo Mt., Croatia

Dactylopora gusici BYSTRICKÝ, 1976 [younger synonym Triploporella apenninica (BARETTI, 1922) BARATTOLO, 1982, after BARATTOLO, 1982]- Paleocene, Brezovica, West Carpathian Mts., Slovakia

ACKNOWLEDGEMENT

Finally, I would like to thank Milan Herak and Branko Sokac for their extensive information and interesting stories from the past and also Ivan Gusic, Jasenka Sremac and Marc Conrad for the photographs.

Sidebar

Manuscript received July 15, 2008

Revised manuscript accepted October 15, 2008

References

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SOKAC, B. (1985): Triploporella bacilliformis n.sp. (Dasycladaceae) from the Lower Cretaceous of the Island of Korcula (Triploporella bacilliformis n.sp. (Dasycladaceae) iz donje krede otoka Korcule). - Geol. vjesnik, 38, 67-72.

SOKAC, B. (1986): Clypeina radici n.sp. (Calcareous algae; Dasycladaceae) from the Neocomian of the Coastal Part of the Outer Dinarides (Clypeina radici n.sp. (Dasycladaceae) iz neokoma priobalnog dijela Vanjskih Dinarida). - Geol. vjesnik, 39, 43-54.

SOKAC, B. (1987): On some controversial Dasyclad genera and species and their stratigraphic position in the Lower Cretaceous deposits of the Dinarides (O nekim spornim rodovima i vrstama dasikladaceja i njihovom stratigrafskom polozaju u naslagama donje krede Dinarida). - Geol. vjesnik, 40, 9-38.

SOKAC, B. (1988): Fanesella anae n.sp., a new calcareous algae (Dasycladaceae) from the Lower Lias of Velebit Mountain (Croatia) (Nova vapnenacka alga (Dasycladaceae) iz donjeg lijasa Velebita). - Geol. vjesnik, 41, 9-14.

SOKAC, B. (1989): Macroporella aptiensis n.sp. (calcareous algae; Dasycladales) from the peri-reefal Lower Aptian limestones in western Croatia (Macroporella aptiensis n.sp. (Dasycladaceae) iz prigrebenskog razvoja donjeg apta zapadne Hrvatske). - Geol. vjesnik, 42, 1-6.

SOKAC, B. (1990): Cylindroporella bradarici n.sp. (Calcareous Algae; Dasycladales) from the Albian of the Dinaric Karst area (Cylindroporella bradarici n.sp. (vapnenacka alga; Dasycladales) iz alba dinarskog krsa). - Geol. vjesnik, 43, 1-6.

SOKAC, B. (1992): Two New Species of Calcareous Algae (Dasycladaceae) from the Upper Dogger of Southern Dalmatia (Croatia) (Dvije nove vrste vapnenackih alga (Dasycladaceae) iz gornjeg dogera juzne Dalmacije (Hrvatska)). - Geol. Croat., 45, 15-24.

SOKAC, B. (1993): Salpingoporella robusta n. sp. (Calcareous algae; Dasycladales) from the Upper Barremian-Lower Aptian of Mt. Biokovo, Croatia. - Geol. Croat., 46/2, 175-180.

SOKAC, B. (1996): Taxonomic Review of Some Barremian and Aptian Calcareous Algae (Dasycladales) from the Dinaric and Adriatic Karst Regions of Croatia. - Geol. Croat., 49/1, 1-79.

SOKAC, B. (2000): Salpingoporella donatae n.sp. (Dasycladales) from Upper Cretaceous Limestone of the Environs of Primosten (Dalmatia, Croatia). - Geol. Croat., 53/1, 199-207.

SOKAC, B. (2001): Lower and Middle Liassic calcareous algae (Dasycladales) from Mt. Velebit (Croatia) and Mt. Trnovski Gozd (Slovenia) with particular reference to the genus Palaeodasycladus (PIA, 1920) 1927 and its species. - Gol. Croat., 54/2, 133-257.

SOKAC, B. (2004): On some Peri-Mediterranean Lower Cretaceous dasyclad species (calcareous algae; Dasycladales) previously assigned to different genera. - Geol. Croat., 57/1, 15-53.

SOKAC, B. (2005): Linoporella vesiculifera n.sp., A New Calcareous Alga (Dasycladales) from the Upper Barremian of Mt. Biokovo (Karst Dinarides, Croatia). - Geol. Croat., 58/2, 119-131.

SOKAC, B. & GRGASOVIC, T. (1995): Dissocladella bystrickyi n.sp., a New Calcareous Alga (Dasycladaceae) from Upper Triassic Dolomites of Mt. Medvednica (Northern Croatia). - Geol. Croatica, 48/1, 1-7.

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SOKAC, B. & GRGASOVIC, T. (2004): Megaporella nikleri n.sp., a new calcareous alga (Dasycladales) from the Upper Barremian of Mt. Biokovo, Croatia. - Riv. Ital. Paleontol. Stratigr., 110/3, 651- 658.

SOKAC, B. & JELASKA, V. (1991): Salpingoporella polsaki n.sp. (Calcareous algae; Dasycladaceae) from the Cenomanian deposits of the Island of Brac (Salpingoporella polsaki n.sp. (vapnenacka alga; Dasycladaceae) iz cenomana otoka Braca). - Geol. vjesnik, 44, 1-6.

SOKAC, B. & NIKLER, L. (1966): Two new species of the genus Petrascula from the Lower Lias of the Velebit mountain. - Bull. sci. Cons. Acad., Yougosl. (A), 11/1-2, 7-8.

SOKAC, B. & NIKLER, L. (1969a): Dinarella kochi n. gen., n. sp. (Dasyc ladaceae) from the Lias of the Velebit mountain (Dinarella kochi n. gen., n. sp. (Dasycladaceae) iz lijasa Velebita). - Geol. vjesnik, 22 (1968), 303-308.

SOKAC, B. & NIKLER, L. (1969b): O vrstama roda Petrascula iz donjeg lijasa Velebita (On the species of the genus Petrascula from the Lower Liassic of Velebit). - Acta geol., 6 (Prir. istraz., Jugosl. akad. znan. umjet., 36), 103-112.

SOKAC, B. & NIKLER, L. (1971): Cymopolia longistila n. sp. a new calcareous alga (Dasycladaceae) from the Lower Cretaceous of the Dinaric mountains (Cymopolia longistila n. sp. nova vapnenacka alga (Dasycladaceae) iz donje krede Dinarskog gorja). - Geol. vjesnik, 24 (1970), 77-84.

SOKAC, B. & NIKLER, L. (1973a): Calcareous algae from the Lower Cretaceous of the environs of Niksic, Crna Gora (Montenegro) (Vapnenacke alge donjokrednih naslaga iz okoline Niksica u Crnoj Gori). - Paleont. jugosl., 13, 1-57.

SOKAC, B. & NIKLER, L. (1973b): Linoporella kapelensis n. sp. (Dasycladaceae) from the Tithonian of Mt. Velika Kapela (Linoporella kapelensis n. sp. titonskih naslaga Velike Kapele). - Geol. vjesnik, 26 (1972), 65-71.

SOKAC, B. & NIKLER, L. (1975): Two varieties of Triploporella marsicana Praturlon and Triploporella issaoensis n.sp. (Calcareous algae, Dasycladaceae) from the Lower Cretaceous of the island of Vis (Dalmatia, southern Croatia) (Dva varijeteta vrste Triploporella marsicana Praturlon i Triploporella issaoensis n.sp. (vapnenacke alge, Dasycladaceae) iz donje krede otoka Visa). - Geol. vjesnik, 28, 119-131.

SOKAC, B. & VELIC, I. (1976): Linoporella? svilajensis n.sp. (Calcareous algae, Dasycladaceae) from the Upper Jurassic? - Lower Cretaceous? limestone of Mt. Svilaja, southern Croatia (Dalmatia) (Linoporella? svilajensis n.sp. (vapnenacke alge, Dasycladaceae) iz gornjomalmskih ili donjokrednih vapnenaca planine Svilaje). - Geol. vjesnik, 29, 173-176.

SOKAC, B. & VELIC, I. (1978a): Redescription of the genus Selliporella (Calcareous algae, Dasycladaceae) (Ponovni opis roda Selliporella (vapnenacke alge, Dasycladaceae)). - Geol. vjesnik, 30/1, 225-242.

SOKAC, B. & VELIC, I. (1978b): Biostratigrafska istrazivanja donje krede Vanjskih Dinarida (I). Neokom zapadne Istre (Biostratigraphic investigations of the Lower Cretaceous of the Outer Dinarids I. The Neocomian of western Istria). - Geol. vjesnik, 30/1, 243-250.

SOKAC, B. & VELIC, I. (1980): A new calcareous alga, Salpingoporella biokoviensis n.sp. (Dasycladaceae) from Lower Aptian deposits of Mt. Biokovo, Dalmatia (south Croatia). - Geol. vjesnik, 31 (1979), 145-150.

SOKAC, B. & VELIC, I. (1981a): Humiella teutae n.gen. n.sp. (Dasycladaceae) iz neokoma juzne Hercegovine (Humiella teutae n.gen. n.sp. (Dasycladaceae) from the Neocomian of Southern Herzegovina). - Geol. vjesnik, 33, 101-105.

SOKAC, B. & VELIC, I. (1981b): Korkyrella n.gen. (Dasycladaceae) from the Upper Barremian and Lower Aptian of the island of Korcula (Korkyrella n.gen. (Dasycladaceae) iz gornjeg barema i donjeg apta otoka Korcule). - Paleont. jugosl., 24, 1-12.

SOKAC, B. & VELIC, I. (1981c): New Calcareous Algae (Dasycladaceae) from the Berriasian of the Biokovo mountain (Croatia) (Nove vapnenacke alge (Dasycladaceae) iz berijasa planine Biokova (Hrvatska)). - Geol. vjesnik, 34, 39-46.

SOKAC, B. & VELIC, I. (1982): Gyroporella lukicae n.sp. (Dasycladaceae) from the Lower Aptian of the surroundings of Jajce (Gyroporella lukicae n.sp. (Dasycladaceae) iz donjeg apta okolice Jajca). - Geol. vjesnik, 35, 37-41.

SOKAC, B. & VELIC, I. (1983): Uragiella matzi n.sp. (Dasycladaceae) from the Upper Cretaceous of Primosten (Uragiella matzi n.sp. (Dasycladaceae) iz gornje krede Primostena). - Geol. vjesnik, 36, 91-94.

SOKAC, B., NIKLER, L., VELIC, I. & MAMUZIC, P. (1974): Osnovna geoloska karta SFRJ 1:100.000. List Gospic L33-127 [Basic geological map 1:100.000, Gospic sheet - in Croatian]. - Institut za geoloska istrazivanja Zagreb (1963-67), Savezni geoloski zavod, Beograd.

SOKAC, B., SUSNJAR, M., BUKOVAC, J., BAHUN, S. (1976a): Osnovna geoloska karta SFRJ 1:100.000. Tumac za list Udbina L33- 128 [Basic geological map 1:100.000, Geology of the Udbina sheet - in Croatian]. - Institut za geoloska istrazivanja Zagreb (1965), Savezni geoloski zavod, Beograd, 62 p.

SOKAC, B., SCAVNICAR, B. & VELIC, I. (1976b): Osnovna geoloska karta SFRJ 1:100.000. Tumac za list Gospic L33-127 [Basic geological map 1:100.000, Geology of the Gospic sheet - in Croatian]. - Institut za geoloska istrazivanja Zagreb (1967), Savezni geoloski zavod, Beograd, 64 p.

SOKAC, B., BAHUN, S., VELIC, I. & GALOVIC, I. (1976c): Osnovna geoloska karta SFRJ 1:100.000. Tumac za list Otocac L33-115 [Basic geological map 1:100.000, Geology of the Otocac sheet - in Croatian]. - Institut za geoloska istrazivanja Zagreb (1970), Savezni geoloski zavod, Beograd, 44 p.

SOKAC, B., BAJRAKTAREVIC, Z. & JURISIC-POLSAK, Z. (1997): Academician Milan Herak's main contribution to palaeontology. - Geol. Croat., 50/2, 143-146.

SOKAC, B., NIKLER, L. & IVANOVIC, A. (1964): Fund von obertriadischen Dasycladaceen im Gebiet des Velebit. - Bull. sci. Cons. Acad. Yougosl. (A), 9/6, 156-157.

SREMAC, J. (1991): Zona Neoschwagerina craticulifera u srednjem Velebitu (Zone Neoschwagerina craticulifera in the Middle Velebit Mt. (Croatia, Yugoslavia)). - Geologija, 34 (1991), 7-55.

STEINMANN, G. (1899): Ueber fossile Dasycladacean vom Cerro Escamela, Mexico. - Bot. Zeit. Berlin, 57/8, 137-154.

STOLLEY, E. (1893): Ueber silurische Siphoneen. - Neues Jahrb. Miner. Geol. Paläont., II, 135-146.

SIKIC, K. & SIKIC, L. (1978): Paleocen u Samoborskom gorju (The Paleocene in the Samobor Highlands (north Croatia)). - Geol. vjesnik, 30/1, 265-280.

SUSNJAR, M., SOKAC, B., BAHUN, S., M., BUKOVAC, J., NIKLER, L. & IVANOVIC, A. (1973): Osnovna geoloska karta SFRJ 1:100.000. List Udbina L33-128 [Basic geological map 1:100.000, Udbina sheet - in Croatian]. - Institut za geoloska istrazivanja Zagreb (1962-1967), Savezni geoloski zavod, Beograd.

VACHARD, D. (1974): Sur les dasycladacées métaspondyles "vestibulaires", à propos d'un de leurs représentants viséens: Eovelebitella occitanica n. gen. n. sp. - Compte Rendu Acad. Sci., Paris, série D, 279, 1855-1858.

VACHARD, D. (1980): Téthys et Gondwana au Paléozoïque supérieur: les données afghanes; biostratigraphie, micropaléontologie, paléogéographie. - Thèse Doct. Etat, Documents et Travaux IGAL, Paris, 2, 2 vol.: 463 p. (texte), 35 pl. (atlas).

VELIC, I. & SOKAC, B. (1974): O trodjelnoj podjeli malma u Velikoj Kapeli (On the tripartite subdivision of the Malm in Mt. Velika Kapela (Croatia)). - Geol. vjesnik, 27, 143-150.

VELIC, I. & SOKAC, B. (1976): Tintinnopsella kapelensis n.sp., a new aberrant Tintinnid from the Tithonian of Mt. Velika Kapela, central Croatia (Tintinnopsella kapelensis n.sp. aberantna tintinina iz titona Velike Kapele). - Geol. vjesnik, 29, 213-218.

VELIC, I. & SOKAC, B. (1981): Osnovna geoloska karta SFRJ 1:100.000. List Ogulin L33-103 [Basic geological map 1:100.000, Ogulin sheet - in Croatian]. - Geoloski zavod Zagreb (1971-1976), Savezni geoloski zavod, Beograd.

VELIC, I., BAHUN, S., SOKAC, B. & GALOVIC, I. (1974): Osnovna geoloska karta SFRJ 1:100.000, list Otocac L33-115 [Basic geological map 1:100.000, Otocac sheet - in Croatian]. - Institut za geoloska istrazivanja Zagreb (1970), Savezni geoloski zavod, Beo grad.

VELIC, I., TISLJAR, J. & SOKAC, B. (1979): Stratigraphy and depositional environments of the Lower Cretaceous in the Karst region of the Outer Dinarids (Yugoslavia). - Geobios, Mem. spec., 3 (Colloque l' Urgonien des Pays Mediterraneens, Lyon, 1979), 245-252.

VELIC, I., SOKAC, B. & SCAVNICAR, B.(1982): Osnovna geoloska karta SFRJ 1:100.000. Tumac za list Ogulin L33-103 [Basic geological map 1:100.000, Geology of the Ogulin sheet - in Croatian]. - Geoloski zavod Zagreb (1980), Savezni geoloski zavod, Beograd, 46 p.

Appendix

APPENDIX

REFERENCES FROM 1907 TO 2007, SORTED AFTER THE YEAR OF PUBLICATION:

SCHUBERT, R.J. (1907): Vorläufige Mitteilung über Foraminifera und Kalkalgen aus dem dalmatinischen Karbon.- Verhandlungen der kaiserlich-königlichen geologischen Reichsanstalt, 8, 211-214, Wien.

SCHUBERT, R.J. (1909): Zur Geologie der österreichischen Velebit (Nebst paläontologischen Anhang). - Jahrbuch der kaiserlichköniglichen geologischen Reichsanstalt, 58/2 (1908), 345-386, 5 figs., 1 pl., Wien.

PIA, J. (1920): Die Siphoneae verticillatae vom Karbon bis zur Kreide. - Abhandlungen der zoologisch-botanischen Gesellschaft in Wien, 11/2, 263 p., Wien.

PIA, J. (1925): Die Diploporen der Trias von Süddalmatien. - Sitzungsberichte der Akademie der Wissenschaften in Wien, Mathematischnaturwissenschaftliche Klasse, Abteilung I, 133/7-8 (1924), 329- 346, 1 fig., 1 tab., 1 pl., Wien.

HERAK, M. (1943): Zur Kenntnis triadischer Kalkschwamme (Sycones). - Neues Jahrb. Geol. Palaeontol., Abh., B, 88, 107-135, 5 figs., 2 pls., Stuttgart.

HERAK, M. (1944): Triaske vapnene spuzve iz skupine "Sycones" (Triadischer Kalkschwamme aus der Gruppe "Sycones"). - Vjesnik Hrvatskog drzavnog geolozkog zavoda, 2-3, 41-70, Zagreb.

HERAK, M. (1950): Ladinicke Dasycladaceae Jugoslavije i njihovo stratigrafsko znacenje [Ladinian Dasycladacee and their stratigraphical importance - in Croatian]. - Rad Jugosl. akad. znan. umjet., 280, 115-141, 4 pls., Zagreb.

HERAK, M. (1953): Paleobotanika za geologe i biologe [Palaeobotany for geologists and botanists - in Croatian]. - Skolska knjiga, Zagreb, vii+160 p.

HERAK, M. (1956): Stratigrafska interpretacija trijaskih sedimenata s dasikladacejama u okolici Gracaca u Hrvatskoj (Stratigraphische Interpretation triadischer Sedimente mit Dasycladaceen in der Umgebung von Gracac in Kroatien). - Acta geol., 1 (Prir. istraz. Jugosl. akad. znan. umjet., 27), 149-154, 2 figs., Zagreb.

HERAK, M. & MALEZ, M. (1956): Teutloporella herculea (Stopani) in the district of Golubovec, N-W Croatia. - Bull. sci. Cons. Acad. Yougosl. (A), 2/4, 106-107, Zagreb.

HERAK, M. (1957): Some problems in the Dasyclad genus Diplopora. - Micropaleontology, 3/1, 49-52, New York.

HERAK, M. (1958): The Dasyclad genus Physoporella in the Anisian of Yugoslavia. - J. Palaeont. Soc. India, Birbal Sahni Memorial Number, 3, 59-63, 2 figs., 2 pls., Lucknow.

HERAK, M. & KOCHANSKY, V. (1959): Jurassic calcarous algae in some new localities in the Dinaric mountains - Croatia. - Bull. sci. Cons. Acad. Yougosl. (A), 4/4, 102-104, 2 figs., Zagreb.

RADOICIC, R. (1959a): Salpingoporella dinarica nov. spec. u donjokrednim sedimentima Dinarida (Salpingoporella dinarica nov. spec. dans les sédiments Crétacés inférieur des Dinarides). - Geol. glasnik, 3, 33-42, 2 figs., 3 pls., Titograd.

RADOICIC, R. (1959b): Paleontoloske odlike sedimenata okoline Bacinskog jezera (Gradac-Ploce) (Les caracteristiques paléonto logiques des sédiments des environs des Bacinsko jezero, de Dalmatie). - Geol. glasnik, 3, 55-63, 1 fig., 3 pls., Titograd.

RADOICIC, R. (1959c): Krupne tintinine Campbelliella nov. gen. i Daturellina nov. gen., preliminarna beleska (Large Tintinnina Campbelliella nov. gen. and Daturellina nov. gen., a preliminary note). - Vesnik (A), Beograd, 17, 79-86.

HERAK, M. (1960): Calcareous algae of the young Palaeozoic, and Mesozoic of Yugoslavia and their application in the stratigraphy. - In: HESSLAND, I. & ERDTMAN, G. (eds.): Part VI, Proceedings of Section 6, Pre-Quaternary Micropaleontology. Report of the Twenty-First Session, Norden, International Geological Congress. Det Berlingske Bogtrykkeri, Copenhagen, 90-97, 2 figs.

HERAK, M. & KOCHANSKY, V. (1960): Gymnocodiacean calcareous algae in the Permian of Yugoslavia (Gimnokodijacejske vapnenacke alge u permu Jugoslavije). - Geol. vjesnik, 13, 185-196, 6 pls., Zagreb.

KOCHANSKY, V. & HERAK, M. (1960): On the Carboniferous and Permian Dasycladaceae of Yugoslavia (O karbonskim i permskim dasikladacejama Jugoslavije). - Geol. vjesnik, 13 (1959), 65-94, 9 pls., Zagreb.

RADOICIC, R. (1960): Mikrofacije krede i starijeg tercijara Spoljnih Dinarida Jugoslavije (Microfaciès du Crétacé et du Paleogene des Dinarides Externes de Yougoslavie). - Paleontol. jugosl. Dinarida, A, 4/1, 5-172, 1 fig., 67 pls., Titograd.

ANIC, D. (1962): Prilog poznavanju jure i krede istocnog dijela Biokova (Beiträge zur Kenntnis der Jura und Kreideschichten des östlichen Teiles des Biokovo Gebirges). - Geol. vjesnik, 15/1, 161-176, Zagreb.

KOCHANSKY-DEVIDÉ, V. & MILANOVIC, M. (1962): Donjopermske fuzulinide i vapnenacke alge producja Tare u Crnoj Gori (Unterpermische Fusuliniden und Kalkalgen des Tara-Gebiets in der mittleren Crna Gora (Montenegro)). - Geol. vjesnik, 15/1 (1961), 195-228, 8 pls., Zagreb.*

HERAK, M. (1963): Paleobotanika [Palaeobotany - in Croatian]. - Skolska knjiga, Zagreb, 180 p., 148 figs.

HERAK, M. & KOCHANSKY, V. (1963): Bükkhegységi Újpaleozóos Mészalgak (Jungpaläozoische Kalkalgen aus dem Bükk-Gebirge (Nordungarn)). - Geol. Hung., Ser. Paleontol., 28, 45-77, 3 figs., 4 pls., 1 tab., Budapest. *

KOCHANSKY-DEVIDÉ, V. (1964a): Velebitella, eine neue jungpaläozoische Diploporeengattung und ihre phylogenetischen Verhältnisse (Velebitella, novi gornjopaleozojski rod Diploporea i njeni fi logenetski odnosi). - Geol. vjesnik, 17 (1963), 135-142, 1 fig., 4 pls., Zagreb.

KOCHANSKY-DEVIDÉ, V. (1964b): Die Mikrofossilien des Jugoslawischen Perms. - Palaeontol. Zeitschrift, 38/3-4, 180-188, 2 pls., Stuttgart.

KOCHANSKY-DEVIDÉ, V. (1964c): Die Fusuliniden und Kalkalgen des jugoslavischen Karbons. - C.R. V Congr. Strat. Géol. Carbon. (1963), 2, 513-518, 1 fig., 3 pls., Paris.

NIKLER, L., SOKAC, B. & IVANOVIC, A. (1964): Die Gasellschaften der Mikrofossilien der Jura und Kreide des südöstlichen Velebit. - Bull. sci. Cons. Acad. Yougosl. (A), 9/3, 67-68, Zagreb.

SOKAC, B., NIKLER, L. & IVANOVIC, A. (1964): Fund von obertriadischen Dasycladaceen im Gebiet des Velebit. - Bull. sci. Cons. Acad. Yougosl. (A), 9/6, 156-157, 2 figs., Zagreb.

HERAK, M. (1965a): Comparative study of some Triassic Dasycladaceae in Yugoslavia (Komparativni studij nekih trijaskih dasikladaceja u Jugoslaviji). - Geol. vjesnik, 18/1 (1964), 3-34, 1 fig., 15 pls., Zagreb.

HERAK, M. (1965b): Naslage trijasa u okolici Sv. Roka u Lici (Triasablagerungen in der Umgebung von Sv. Rok in der Lika). - Acta geol., 5 (Prir. istraz. Jugosl. akad. znan. umjet., 35), 85-95, 1 fig., 1 map, Zagreb.

HERAK, M. (1965c): Die Kalkalgen in der Stratigraphie der Dinariden (Jungpaläozoikum und Mesozoikum). - Mitt. geol. Ges. Wien, 58, 209-217, Wien.

KOCHANSKY-DEVIDÉ, V. & RAMOVS, A. (1965): Razvoj mlajsega paleozoika v okolici Ortneka na Dolenjskem. - Razprave Slov. akad. znan. umet. (Razr. prir. med. vede), 8, 319-416, 18 pls., Ljubljana.*

MILANOVIC, M. (1965a): Salopekiella, novi rod familije Dasycladaceae iz permskih sedimenata Velebita (Salopekiella, a new genus of the Dasycladaceae family from the Permian sediments of the Velebit range). - Acta geol., 5 (Prir. istraz., Jugosl. akad. znan. umjet., 35), 373-382, 4 figs., 3 pls. Zagreb.

MILANOVIC, M. (1965b): Zwei neue Gattungen der Familie Dasycladaceae aus dem Perm Velebitgebirges. - Bull. sci. Cons. Acad. Yougosl. (A), 10/6, 179-180, 2 figs., Zagreb.

NIKLER, L. & SOKAC, B. (1965a): Die Notwendigkeit der Einführung von zwei Subgenuse bei der Gattung Macroporella. - Bull. sci. Cons. Acad. Yougosl. (A), 10/4, 105, Zagreb.

NIKLER, L. & SOKAC, B. (1965b): Cylindroporella anici n.sp. new Dasycladaceae from the Malm of Velebit. - Bull. sci. Cons. Acad. Yougosl. (A), 10/4, 106-107, 4 figs., Zagreb.

RADOICIC, R. (1965): Pianella turgida n. sp. from the Cenomanian of the Outer Dinarides (Pianella turgida n. sp. iz cenomana Spoljasnjih Dinarida). - Geol. vjesnik, 18/1 (1964), 195-199, 1 fig., 5 pls., Zagreb.

GUSIC, I. (1966): Two new dasyclad species of the subgenus Pianella from the Lower Cretaceous of Istria (Dvije nove vrste dasikladaceja podroda Pianella iz donje krede Istre). - Geol. vjesnik, 19 (1965), 35-46, 6 pls., Zagreb.

KOCHANSKY-DEVIDÉ, V. & RAMOVS, A. (1966): Zgornjekarbonski mikrofosili in stratigrafski razvoj v zahodnih Karavankah (Oberkarbonische Mikrofossilien und stratigraphische Entwicklung in den Westkarawanken). - Razprave Slov. akad. znan. umet. (Razr. prir. med. vede), 9/7, 299-333, 11 pl., Ljubljana.*

MILANOVIC, M. (1966a): Likanella - a new Permian genus of the family Dasycladaceae (Likanella - novi permski rod familije Dasycladaceae). - Geol. vjesnik, 19 (1965), 9-14, 4 pls., Zagreb.

MILANOVIC, M. (1966b): Goniolinopsis, a new Permian genus of the family Dasycladaceae (Goniolinopsis, novi permski rod familije Dasycladaceae). - Geol. vjesnik, 19 (1965), 115-122, 3 figs., 3 pls., Zagreb.

RADOICIC, R. (1966): Microfaciès du Jurassique des Dinarides externes de la Yougoslavie. - Geologija, 9, 5-376, 1 fig., 11 tab., 165 pls., Ljubljana.

SOKAC, B. & NIKLER, L. (1966): Two new species of the genus Petrascula from the Lower Lias of the Velebit mountain. - Bull. sci. Cons. Acad., Yougosl. (A), 11/1-2, 7-8, 1 fig., Zagreb.

GUSIC, I. (1967): New Dasycladaceae from the Maastrichtian of Bespelj near Jajce (Western Bosnia) (Nove dasikladaceje iz mastrihta Bespelja kod Jajca). - Geol. vjesnik, 20 (1966), 117-125, 6 pls., Zagreb.*

HERAK, M. (1967a): Mesozoische Kalkalgen der Insel Chios (Griechenland). - Neues Jahrb. Geol. Palaeontol., Abh., 129/1, 97-104, 1 tabl., 5 pls., Stuttgart.*

HERAK, M. (1967b): Anisische Dasycladaceen vom Gosaukamm (Dachsteingebiet, Österreich). - Mitt. geol. Ges. Wien, 59/2 (1966), 213- 217, 3 pls., Wien.*

HERAK, M., SOKAC, B. & SCAVNICAR, B. (1967): Correlation of the Triassic in SW Lika, Paklenica and Gorski Kotar (Croatia). - Geol. Sbornik (Geol. Carpathica), 18/2, 189-202, 5 figs., 1 tab., Bratislava.

HERAK, M. & SKALEC, D. (1967): Kalkalgen im Perm des Samoborer Gebirges (Vapnenacke alge u permu Samoborskog gorja). - Geol. vjesnik, 20 (1966), 37-40, 1 fig., 1 pl., Zagreb.

KOCHANSKY-DEVIDÉ, V. (1967): Eine interessante neue Physoporella- Art (Dasycladaceae) aus der Trias von Slowenien (Interesantna nova vrsta roda Physoporella (Dasycladaceae) iz trijasa Slovenije). - Geol. vjesnik, 20 (1966), 171-174, 1 pl., Zagreb.*

NIKLER, L. & SOKAC, B. (1967): Fosilne Dasycladaceae gornje jure Velebita i sjeverozapadne Velike Kapele (Fossil Dasycladaceae from Upper Jurassic of the Mount Velebit and the NW part of the mount Velika Kapela). - Rad Jugosl. akad. znan. umjet., 345, 101- 134, 3 figs., 8 pls., Zagreb.

PRATURLON, A. & RADOICIC, R. (1967): Note on the Dasyclad genus Salpingoporella Pia. - Geol. Romana, 6, 137-144, 5 figs., Roma.

RADOICIC, R. (1967): Salpingoporella melitae spec. nov. iz donjekrednih sedimenata Spoljasnjih Dinarida (Salpingoporella melitae spec. nov. des sediments Crétacés inférieurs des Dinarides Externes). - Geol. anali Balk. poluostr., 33, 121-126, 4 pls., Beograd.

SOKAC, B. & NIKLER, L. (1967): Teutloporella elongatula (Praturlon, 1966), Sokac & Nikler, calcareous alga from the Middle Liassic of Velebit (Teutloporella elongatula (Praturlon, 1966), Sokac & Nikler, vapnenacka alga iz srednjeg lijasa Velebita). - Geol. vjesnik, 20 (1966), 111-116, 6 pls., Zagreb.

MILANOVIC, M. (1968): Salopekiella? kochanskae n. sp. (Dasycladaceae) from the Permian of the Velebit Mountain (Salopekiella? kochanskae n. sp. (Dasycladaceae) iz perma Velebita). - Geol. vjesnik, 21 (1967), 157-160, 4 pls., Zagreb.

NIKLER, L. & SOKAC, B. (1968): Biostratigraphy of the Jurassic of Velebit (Croatia) (Biostratigrafi ja jure Velebita). - Geol. vjesnik, 21 (1967), 161-176, 1 fig., 15 pls., Zagreb.

RADOICIC, R. (1968): Likanella? danilovae spec. nov. i neke druge donjokredne dazikladacee iz Spoljasnjih Dinarida (Likanella? danilovaae spec. nov. et quelques autres Dasycladacées inférieures des Dinarides externes). - Vesnik (A), 26, 177-194, 2 figs., 16 pls., Beograd.

SOKAC, B. (1968): A new genus of calcareous Algae from the Middle Triassic of Velebit (Novi rod vapnenacke alge iz srednjeg trijasa Velebita). - Geol. vjesnik, 21 (1967), 207-212, 4 pls., Zagreb.

GUSIC, I. (1969): The algal genera Macroporella, Salpingoporella and Pianella (Dasycladaceae). - Taxon, 19/2, 257-261, Utrecht.

KOCHANSKY-DEVIDÉ, V. & SLISKOVIC, T. (1969): Gornjopermski mikrofosili Han Orahovice i Suljaca u Bosni s osobitim obzirom na algu Permocalculus fragilis (Ober permische Mikrofossilien von Han Orahovica und Suljci in Bosnien mit besonder Berücksichtigung der Alge Permocalculus fragilis). - Geol. vjesnik, 22 (1968), 105-110, 2 pls., Zagreb.*

RADOICIC, R. (1969a): Aberantna grana fosilnih tintinina (podred tintinnina) (La branche aberrante des tintinnines fossiles (sous-ordre Tintinnina)). - Paleont. jugosl., 9, 5-71, 31 fig., 8 pls., Zagreb.

RADOICIC, R. (1969b): A new Lower Cretaceous Dasycladacea, Clypeina pejovici and note on some Clypeinae. - Geol. Romana, 8,71- 84, 15 figs., Roma.

RADOICIC, R. (1969c): Koptokampilodoni u nekim jurskim i krednim sedimentima Jugoslavije (Coptocampylodons de certain sédiments Jurassiques et Crétacée de la Yougoslavie). - Vesnik (A), 27, 191- 200, 7 pls., Beograd.

SOKAC, B. & NIKLER, L. (1969a): Dinarella kochi n. gen., n. sp. (Dasycladaceae) from the Lias of the Velebit mountain (Dinarella kochi n. gen., n. sp. (Dasycladaceae) iz lijasa Velebita). - Geol. vjesnik, 22 (1968), 303-308, 1 fig., 2 pls., Zagreb.

SOKAC, B. & NIKLER, L. (1969b): O vrstama roda Petrascula iz donjeg lijasa Velebita (On the species of the genus Petrascula from the Lower Liassic of Velebit). - Acta geol., 6 (Prir. istraz., Jugosl. akad. znan. umjet., 36), 103-112, 3 figs., 7 pls., Zagreb.

GUSIC, I., NIKLER, L. & SOKAC, B. (1970): The Jurassic in the Dinaric mountains of Croatia and the problems of its subdivisions. - Ann. Inst. geol. publ. Hung., 54/2 (Coll. Jurassique Méditerr., Budapest, 1969), 165-183, 4 figs., 1 pl., Budapest.

KOCHANSKY-DEVIDÉ, V. (1970a): Permski mikrofosili zahodnih Karavank (Permische Mikrofossilien der Westkarawanken). - Geologija, 13, 175-256, 26 pls., Ljubljana.*

KOCHANSKY-DEVIDÉ, V. (1970b): Die Kalkalgen des Karbons vom Velebit-Gebirge (Moskovien und Kassimovien) (Vapnenacke alge karbona Velebita (moskovijen i kasimovijien)). - Palaeont. jugosl., 10, 1-32, 15 pls., Zagreb.

NIKLER, L. & SOKAC, B. (1970): Clypeina calciformis n. sp., a new calcareous alga (Dasycladaceae) from the Upper Jurassic of Lastovo island (Clypeina calciformis n. sp. vapnenacka alga iz malma otoka Lastovo). - Geol. vjesnik, 23 (1969), 139-144, 3 pls., 1 tab., Zagreb.

KOCHANSKY-DEVIDÉ, V. & GUSIC, I. (1971): Evolutions-Tendenzen der Dasycladaceen mit besonderer Berücksichtigung neuer Funde in Jugoslawien. - Palaeontol. Zeitschrift, 45/1-2, 82-91, Stuttgart.

RADOICIC, R. (1970a): Prilog poznavanju geologije Peljesca i paleogeografi je ovog dijela Spoljasnjih Dinarida (A study of the geology of Peljesac peninsula and the paleogeography of this part of the Outher Dinarides). - Vesnik (A), 28, 175-184, 3 pls., Beograd.

RADOICIC, R. (1970b): Alge u juri i kredi juzne Hercegovine (Algae in the Jurassic and Cretaceous of south Hercegovina). - Geol. glasnik, 14, 99-107, 14 pls., Sarajevo.

RADOICIC, R. (1970c): Deux Pseudoclypéines Jurassique supérieur des Dinarides yougoslaves. - Rev. Micropaléont., 13/2, 115-121, 1 fig., 3 pls., Paris.

SOKAC, B. & NIKLER, L. (1971): Cymopolia longistila n. sp. a new calcareous alga (Dasycladaceae) from the Lower Cretaceous of the Dinaric mountains (Cymopolia longistila n. sp. nova vapnenacka alga (Dasycladaceae) iz donje krede Dinarskog gorja). - Geol. vjesnik, 24 (1970), 77-84, 2 figs., 2 pls., Zagreb.

HOMANN, W. (1972): Unter- und tief-mittelpermische Kalkalgen aus den Rattendorfer Schichten, dem Trogkofel-Kalk und dem Treßdorfer Kalk der Karnischen Alpen (Österreich). - Senckenbergiana Lethaea, Frankfurt am Main, 53/3-4, 135-313, 10 figs., 60 tabs., 10 pls.

GUSIC, I. (1973a): Stratigrafsko znacenje mezozojskih dazikladaceja s obzirom na nova taksa u Jugoslaviji (Stratigraphic signifi cance of Mesozoic Dasycladaceans with regard to new taxa in Yugoslavia). - Geologija, 16, 371-372, Ljubljana.

GUSIC, I. (1973b): O paleogenskim mikrofosilima u klasticnim naslagama kod Karlovca (On the paleogene microfossils in the clastic deposits near Karlovac (Central Croatia)). - Geol. vjesnik, 25 (1971), 51-56, 2 pls., Zagreb.

GUSIC, I. & BABIC, LJ. (1973): Paleogenski vapnenci na Medvednici (Palaeogene limestones on Mt. Medvednica (north Croatia)). - Geol. vjesnik, 25 (1971), 287-292, Zagreb.

KOCHANSKY-DEVIDÉ, V., BUSER, S., CAJHEN, J. & RAMOVS, A. (1973): Podroben profi l skrozi Trogkofelske plasti v potoku Kosutnik v Karavankah (Detaillertes Profi l durch die Trogkofel-Schichten am Kosutnik-Bach in der Karawanken). - Razprave Slov. akad. znan. umet. (Razr. prir. med. vede), 16/4, 171-187, 5 pls., Ljubljana.*

SOKAC, B. (1973): Geologija Velebita (Geology of Velebit Mt.). - Unpublished PhD thesis, Faculty of Science, Zagreb University, iv+151 p., 38 figs., 7 suppls.

SOKAC, B. & NIKLER, L. (1973a): Calcareous algae from the Lower Cretaceous of the environs of Niksic, Crna Gora (Montenegro) (Vapnenacke alge donjokrednih naslaga iz okoline Niksica u Crnoj Gori). - Paleont. jugosl., 13, 1-57, 16 pls., 1 tab., Zagreb. *

SOKAC, B. & NIKLER, L. (1973b): Linoporella kapelensis n. sp. (Dasycladaceae) from the Tithonian of Mt. Velika Kapela (Linoporella kapelensis n. sp. titonskih naslaga Velike Kapele). - Geol. vjesnik, 26 (1972), 65-71, 3 pls., Zagreb.

MILANOVIC, M. (1974): Kochanskyella (Chlorophyta, Dasycladaceae), a new Permian genus of Mount Velebit, Croatia (Kochanskyella (Chlorophyta, Dasycladaceae) iz perma Velebita). - Geol. vjesnik, 27, 127-132, 2 figs., 5 pls., Zagreb.

RADOICIC, R. (1974): A new Palaeocene Actinoporella (Dasycladaceae), a preliminary report. - Bull. sci. Cons. Acad. Yougosl. (A), 19/9-10, 1 fig., Zagreb.

SOKAC, B. (1974): Diplopora clavaeformis Pia (Chlorophyta, Dasycladaceae) from the Lower Ladinian of Mt. Velebit (O vrsti Diplopora clavaeformis Pia (Chlorophyta, Dasycladaceae) iz donjeg ladinika Velebita). - Geol. vjesnik, 27, 133-141, 5 pls., Zagreb.

VELIC, I. & SOKAC, B. (1974): O trodjelnoj podjeli malma u Velikoj Kapeli (On the tripartite subdivision of the Malm in Mt. Velika Kapela (Croatia)). - Geol. vjesnik, 27, 143-150, 1 tab., Zagreb.

MILANOVIC, M. (1975): Salopekiella? breziki n. sp. (calcareous algae, Dasycladaceae) from the Permian of Mt. Velebit (Croatia) (Salopekiella? breziki n. sp., (vapnenacke alge, Dasycladaceae) iz perma Velebita). - Geol. vjesnik, 28, 81-86, 1 fig., 3 pls., Zagreb.

RADOICIC, R. (1975): Linoporella buseri sp. nov. from the Liassic of the Julian Alps (a preliminary report). Bull. sci. Cons. Acad. Yougosl. (A), 20/9-10, 277-278, Zagreb.

SOKAC, B. & NIKLER, L. (1975): Two varieties of Triploporella marsicana Praturlon and Triploporella issaoensis n.sp. (Calcareous algae, Dasycladaceae) from the Lower Cretaceous of the island of Vis (Dalmatia, southern Croatia) (Dva varijeteta vrste Triploporella marsicana Praturlon i Triploporella issaoensis n.sp. (vapnenacke alge, Dasycladaceae) iz donje krede otoka Visa). - Geol. vjesnik, 28, 119-131, 6 pls., Zagreb.

BABIC, LJ., GUSIC, I. & ZUPANIC, J. (1976): Grebenski paleocen u Baniji (sredisnja Hrvatska) (Paleocene reef limestone in Banija, censtral Croatia). - Geol. vjesnik, 29, 11-47, 3 figs., 3 tabs., 10 pls., Zagreb.

SOKAC, B. & VELIC, I. (1976): Linoporella? svilajensis n.sp. (Calcareous algae, Dasycladaceae) from the Upper Jurassic? - Lower Cretaceous? limestone of Mt. Svilaja, southern Croatia (Dalmatia) (Linoporella? svilajensis n.sp. (vapnenacke alge, Dasycladaceae) iz gornjomalmskih ili donjokrednih vapnenaca planine Svilaje). - Geol. vjesnik, 29, 173-176, 2 pls., Zagreb.

VELIC, I. & SOKAC, B. (1976): Tintinnopsella kapelensis n.sp., a new aberrant Tintinnid from the Tithonian of Mt. Velika Kapela, central Croatia (Tintinnopsella kapelensis n.sp. aberantna tintinina iz titona Velike Kapele). - Geol. vjesnik, 29, 213-218, 1 pl., Zagreb.

FLÜGEL, E. (1977): Environmental models for Upper Paleozoic benthic calcareous algal communities. - In: FLÜGEL, E. (ed.): Fossil algae. Recent results and developments. Springer-Verlag, p. 314- 343, 4 pls., Berlin.

HERAK, M., KOCHANSKY, V. & GUSIC, I. (1977): The development of the Dasyclad Algae through the ages. - In: FLÜGEL, E. (ed.): Fossil Algae, Recent Results and Developments. Springer-Verlag, 143-153, 2 figs, Berlin.

SOKAC, B. & VELIC, I. (1978a): Redescription of the genus Selliporella (Calcareous algae, Dasycladaceae) (Ponovni opis roda Selliporella (vapnenacke alge, Dasycladaceae)). - Geol. vjesnik, 30/1, 225- 242, 9 pls., Zagreb.

SOKAC, B. & VELIC, I. (1978b): Biostratigrafska istrazivanja donje krede Vanjskih Dinarida (I). Neokom zapadne Istre (Biostratigraphic investigations of the Lower Cretaceous of the Outer Dinarids I. The Neocomian of western Istria). - Geol. vjesnik, 30/1, 243-250, 8 pls., Zagreb.

SIKIC, K. & SIKIC, L. (1978): Paleocen u Samoborskom gorju (The Paleocene in the Samobor Highlands (north Croatia)). - Geol. vjesnik, 30/1, 265-280, 1 fig., 15 pls., Zagreb.

VELIC, I. & SOKAC, B. (1978): Biostratigrafska analiza jure i donje krede sire okolice Ogulina (sredisnja Hrvatska) (Biostratigraphic analysis of the Jurassic and Lower Cretaceous in the wider region of Ogulin, central Croatia). - Geol. vjesnik, 30/1, 309-337, 1 fig., 13 pls., Zagreb.

KOCHANSKY-DEVIDÉ, V. (1979): Connexia slovenica n. sp., eine leitende Art der Trogkofel-Ablagerungen (Perm) (Connexia slovenica n. sp., znacajna vrsta trogkofelskih naslaga (perm)). - Palaeont. jugosl., 23, 1-10, 2 pls., Zagreb.*

SOKAC, B. & VELIC, I. (1979a): Triassic, Jurassic and Lower Cretaceous of the karst part of the Dinarids in the Western Croatia. - Guidebook 16th European Micropal. Colloquium, 79-100, 3 figs., Ljubljana-Zagreb.

SOKAC, B. & VELIC, I. (1979b): Lower Cretaceous in western Istria. Excursion J (Limska Draga). - Guidebook 16th European Micropal. Colloquium, 209-216, 2 figs., Ljubljana-Zagreb.

VELIC, I. & SOKAC, B. (1979): Younger Lower Cretaceous and Lower Cenomanian of central Croatia. Excursion C (Karlovac-Ogulin). - Guidebook 16th European Micropal. Colloquim, 147-152, 2 figs., Ljubljana-Zagreb.

VELIC, I., TISLJAR, J. & SOKAC, B. (1979): Stratigraphy and depositional environments of the Lower Cretaceous in the Karst region of the Outer Dinarids (Yugoslavia). - Geobios, Mem. spec. 3 (Colloque l' Urgonien des Pays Mediterraneens, Lyon, 1979), 245-252, 3 figs., Lyon.

BABIC, LJ. & ZUPANIC, J. (1980): Uloga antagonistickih procesa izgradnje i razgradnje grebena u povijesti poroziteta - primjer paleocenskog grebena u Baniji (The role of antagonistic processes of reef construction and destruction in the porosity history - example of Paleocene reef in the Banija region ("inner" Dinaric belt)). - Geol. vjesnik, 32 (1979), 33-51, 9 figs., Zagreb.

SOKAC, B. & VELIC, I. (1980): A new calcareous alga, Salpingoporella biokoviensis n.sp. (Dasycladaceae) from Lower Aptian deposits of Mt. Biokovo, Dalmatia (south Croatia). - Geol. vjesnik, 31 (1979), 145-150, 3 pls., Zagreb.

BABIC, LJ. & ZUPANIC, J. (1981): Various pore types in a Paleocene reef, Banija, Yugoslavia. - In: TOOMEY, D.F. (ed.): European fossil reef models. Soc. Econom. paleont. Mineral. Spec. Publ., 30, 473-482, 15 figs., Tulsa.

BIGNOT, G. (1981): Illustration and paleoecological signifi cance of Cretaceous and Eocene Girvanella limestones from Istria (Yugoslavia, Italy). - In: MONTY, C. (ed.): Phanerozoic Stromatolites. Springer- Verlag, 134-139, 2 figs., Berlin.

SOKAC, B. & VELIC, I. (1981a): Humiella teutae n.gen. n.sp. (Dasycladaceae) iz neokoma juzne Hercegovine (Humiella teutae n.gen. n.sp. (Dasycladaceae) from the Neocomian of Southern Herzegovina). - Geol. vjesnik, 33, 101-105, 2 pls., Zagreb.

SOKAC, B. & VELIC, I. (1981b): Korkyrella n.gen. (Dasycladaceae) from the Upper Barremian and Lower Aptian of the island of Korcula (Korkyrella n.gen. (Dasycladaceae) iz gornjeg barema i donjeg apta otoka Korcule). - Paleont. jugosl., 24, 1-12, 1 fig., 3 pls., Zagreb.

SOKAC, B. & VELIC, I. (1981c): New Calcareous Algae (Dasycladaceae) from the Berriasian of the Biokovo mountain (Croatia) (Nove vapnenacke alge (Dasycladaceae) iz berijasa planine Biokova (Hrvatska)). - Geol. vjesnik, 34, 39-46, 3 pls., Zagreb.

MILANOVIC, M. (1982a): Carboniferous microfossil associations from Gorski kotar, Hrvatsko Zagorje and Banija (Karbonske mikrofosilne asocijacije Gorskog kotara, Hrvatskog Zagorja i Banije). - Palaeont. jugosl., 28, 1-34, 2 figs., 10 pls., Zagreb.

MILANOVIC, M. (1982b): Kabonski mikrofosili Gorskog kotara, Hrvatskog Zagorja i Banije (Carboniferous microfossils from Gorski kotar, Hrvatsko Zagorje and Banija). - X kongres geologa Jugoslavije, 1, 161-168, Budva.

SOKAC, B. & VELIC, I. (1982): Gyroporella lukicae n.sp. (Dasycladaceae) from the Lower Aptian of the surroundings of Jajce (Gyroporella lukicae n.sp. (Dasycladaceae) iz donjeg apta okolice Jajca). - Geol. vjesnik, 35, 37-41, 2 pls., Zagreb.*

SOKAC, B. & VELIC, I. (1983): Uragiella matzi n.sp. (Dasycladaceae) from the Upper Cretaceous of Primosten (Uragiella matzi n.sp. (Dasycladaceae) iz gornje krede Primostena). - Geol. vjesnik, 36, 91-94, 1 pl., Zagreb.

VELIC, I. & SOKAC, B. (1983): Stratigraphy of the Lower Cretaceous index fossils in the Karst Dinarides (Yugoslavia). - Zitteliana, 10 (2. Symp. Kreide), 485-491, 1 fig., München.

FLÜGEL, E., KOCHANSKY-DEVIDÉ, V. & RAMOVS, A. (1984): A Middle Permian calcisponge/algal/cement reef: Straza near Bled, Slovenia. - Facies, 10, 179-256, 19 pls., Erlangen.*

GUSIC, I., WOHLFEIL, H. & WOHLFEIL, K. (1984): Zur Atersstellung und Fazies des Kalkes von Kalecik (Devon) und der Akdar- Serie (Trias) im nordöstlichen Teil von Karaburun (Westl. Izmir, Türkei). - Neues Jahrb. Geol. Palaeontol., Abh., 167/3, 375-404, Stuttgart.*

SOKAC, B. (1985): Triploporella bacilliformis n.sp. (Dasycladaceae) from the Lower Cretaceous of the Island of Korcula (Triploporella bacilliformis n.sp. (Dasycladaceae) iz donje krede otoka Korcule). - Geol. vjesnik, 38, 67-72, 2 pls., Zagreb.

MILANOVIC, M. (1986): Permski mikrofosili Gorskog kotara. - XI Kongres geologa Jugoslavije, 2, 91-98, 4 pls., Tara.

SOKAC, B. (1986): Clypeina radici n.sp. (Calcareous algae; Dasycladaceae) from the Neocomian of the Coastal Part of the Outer Dinarides (Clypeina radici n.sp. (Dasycladaceae) iz neokoma priobalnog dijela Vanjskih Dinarida). - Geol. vjesnik, 39, 43-54, 3 pls., Zagreb.

RADOICIC, R. (1987): Prilog stratigrafi ji Hvara, povodom istovremenog pojavljivanja vrsta algi Salpingoporella melitae i dinarica (A contribution to the study of stratigraphy of Hvar, followed by simultaneous occurrences of the species Salpingoporella melitae and S. dinarica). - Glasnik Srp. akad. nauka umet., Od. prir. mat. nauka, 51, 73-79, 2 pls., Beograd.

SOKAC, B. (1987): On some controversial Dasyclad genera and species and their stratigraphic position in the Lower Cretaceous deposits of the Dinarides (O nekim spornim rodovima i vrstama dasikladaceja i njihovom stratigrafskom polozaju u naslagama donje krede Dinarida). - Geol. vjesnik, 40, 9-38, 1 fig., 12 pls., Zagreb.

SOKAC, B. (1988): Fanesella anae n.sp., a new calcareous algae (Dasycladaceae) from the Lower Lias of Velebit Mountain (Croatia) (Nova vapnenacka alga (Dasycladaceae) iz donjeg lijasa Velebita). - Geol. vjesnik, 41, 9-14, 4 pls., Zagreb.

COSOVIC, V. & GLOVACKI-JERNEJ, Z. (1989): Some reef buildups with algae in the northwestern part of Yugoslavia. - In: BRAGA, J.C. & MARTIN, J.M. (eds.): Algae in reefs, Abstracts, 13, Granada.

MILANOVIC, M. (1989): Hexaella heraki n. gen., n. sp., a new problematical (incertae sedis) microfossil from the Lower Permian of the Gorski kotar region (Croatia, Yugoslavia) (Novi problematicni mikrofosil iz donjeg perma Gorskog kotara). - Geol. vjesnik, 42, 29-31, 1 pl., Zagreb.

SOKAC, B. (1989): Macroporella aptiensis n.sp. (calcareous algae; Dasycladales) from the peri-reefal Lower Aptian limestones in western Croatia (Macroporella aptiensis n.sp. (Dasycladaceae) iz prigrebenskog razvoja donjeg apta zapadne Hrvatske). - Geol. vjesnik, 42, 1-6, 2 pls., Zagreb.

DRAGASTAN, O. (1990): New "porostromata" algae of the Mesozoic (III). - Rev. Espan. Micropal., 22/1, 5-32,,11 pl., Madrid.

SOKAC, B. (1990): Cylindroporella bradarici n.sp. (Calcareous Algae; Dasycladales) from the Albian of the Dinaric Karst area (Cylindroporella bradarici n.sp. (vapnenacka alga; Dasycladales) iz alba dinarskog krsa). - Geol. vjesnik, 43, 1-6, 2 pls., Zagreb.

ARNAUD-VANEAU, A., CONRAD, M., DELOFFRE, R., LUPERTOSINNI, E., MASSE, P., PEYBERNES, B., RADOICIC, R., SOKAC, B. & VELIC, I. (1991): Distribution of Lower Cretaceous foraminifera and dasyclad algae of the Adriatic plate. - Sec. Internat. Symp. on the Adriatic carb. platf., Abstracts, 22, Zadar.

BARATTOLO, F. (1991): Chapter 22. Mesozoic and Cenozoic Marine Benthic Calcareous Algae with Particular Regard to Mesozoic Dasycladaleans. - In: RIDING, R. (ed.): Calcareous Algae and Stromatolites. Springer-Verlag, Berlin, p. 504-540, 6 figs., 7 pls.

SOKAC, B. & JELASKA, V. (1991): Salpingoporella polsaki n.sp. (Calcareous algae; Dasycladaceae) from the Cenomanian deposits of the Island of Brac (Salpingoporella polsaki n.sp. (vapnenacka alga; Dasycladaceae) iz cenomana otoka Braca). - Geol. vjesnik, 44, 1- 6, 1 pl., Zagreb.

SREMAC, J. (1991): Zona Neoschwagerina craticulifera u srednjem Velebitu (Zone Neoschwagerina craticulifera in the Middle Velebit Mt. (Croatia, Yugoslavia)). - Geologija, 34 (1991), 7-55, 13 pls., Ljubljana.

SOKAC, B. (1992): Two New Species of Calcareous Algae (Dasycladaceae) from the Upper Dogger of Southern Dalmatia (Croatia) (Dvije nove vrste vapnenackih alga (Dasycladaceae) iz gornjeg dogera juzne Dalmacije (Hrvatska)). - Geol. Croat, 45, 15-24, 2 pls., Zagreb.

SOKAC, B. (1993): Salpingoporella robusta n. sp. (Calcareous algae; Dasycladales) from the Upper Barremian - Lower Aptian of Mt. Biokovo, Croatia. - Geol. Croat, 46/2, 175-180, 1 pl., Zagreb.

GRGASOVIC, T. (1995a): Revision of Genera Physoporella, STEINMANN and Oligoporella, PIA (Dasycladales, Green Algae). - 6th International Symposium on Fossil Algae and Carbonate Platforms, Abstracts, 15, Ankara.

GRGASOVIC, T. (1995b): Stratigraphy of Middle and Upper Triassic Deposits From Zumberak Mt. (W Croatia). - 6th International Symposium on Fossil Algae and Carbonate Platforms, Abstracts, 34, Ankara.

RADOICIC, R. (1995): On the age of limestone with Actinoporella kukoci Radoicic, 1975 and Praturlonella salernitana Barattolo, 1978 (Dasycladacean algues). - Rev. Paleobiol., 14/1, 95-105, 1 fig, 4 pls., Gèneve.

SOKAC, B. & GRGASOVIC, T. (1995): Dissocladella bystrickyi n.sp., a New Calcareous Alga (Dasycladaceae) from Upper Triassic Dolomites of Mt. Medvednica (Northern Croatia). - Geol. Croat, 48/1, 1-7, 2 pls., Zagreb.

SOKAC, B. (1996): Taxonomic Review of Some Barremian and Aptian Calcareous Algae (Dasycladales) from the Dinaric and Adriatic Karst Regions of Croatia. - Geol. Croat, 49/1, 1-79, 22 pls., Zagreb.

GRGASOVIC, T. (1997): Upper Triassic biostratigraphy and algae from Zumberak (Croatia). - Geol. Croat, 50/2, 201-214, 1 fig., 2 pls., Zagreb.

SREMAC, J. & ALJINOVIC, D. (1997): Upper Palaeozoic fossils from clastic sedimentary rocks in the Gorski kotar region. - Geol. Croat, 50/2, 187-199, 3 pls., Zagreb.

SGROSSO, A., ESPOSITO, P. & RADOICIC, R. (1998): The occurence of Salpingoporella milovanovici Radoicic (Dasycladales) in the Cenomanian of south Apennines and Dinarides. - Geologija, 40, 113-117, 2 pls., Ljubljana.

SOKAC, B. & GRGASOVIC, T. (1998): Asterocalculus heraki n.gen. n.sp., a new calcareous alga (Gymnocodiaceae) from the Upper Triassic Hauptdolomite of Zumberak, north Croatia. - Facies, 38, 197- 206, 3 figs., 1 tab., 3 pls., Erlangen.

GRGASOVIC, T. & SOKAC, B. (1999a): Teutloporella PIA and Euteutloporella DE CASTRO (Dasycladales, Green Algae) from the Triassic of Croatia. - In: MU XINAN, YUAN XUNLAI & KERSHAW, S. (eds.): Seventh International Symposium on Fossil Algae (Oct. 13-17, 1999, Nanjing), Abstracts, 23-24, Nanjing.

GRGASOVIC, T. & SOKAC, B. (1999b): Triassic Dasycladales from Croatia: a Review. - In: MU XINAN, YUAN XUNLAI & KERSHAW, S. (eds.): Seventh International Symposium on Fossil Algae (Oct. 13-17, 1999, Nanjing), Abstracts, 27-28, Nanjing.

GRGASOVIC, T., SOKAC, B. & HALAMIC, J. (1999): Salpingoporella scopuliformis n. sp. (Dasycladales, Green Algae) from the Middle Triassic of Croatia. - In: MU XINAN, YUAN XUNLAI & KERSHAW, S. (eds.): Seventh International Symposium on Fossil Algae (Oct. 13-17, 1999, Nanjing), Abstracts, 25-26, Nanjing.

GRANIER, B.R.C. & GRGASOVIC, T. (2000): Les Algues Dasycladales du Permien et du Trias. Nouvelle tentative d'inventaire bibliographique, géographique et stratigraphique (Permian and Triassic Dasyclad algae. Bibliographic, geographic, and stratigraphic reappraisal). - Geol. Croat, 53/1, 1-197, 27 figs., 1 tab., Zagreb.

GRGASOVIC, T. & SOKAC, B. (2000): Fosilne asocijacije dazikladalnih algi u trijasu Hrvatske (Fossil associations of dasycladalean algae in the Triassic of Croatia). - In: VLAHOVIC, I. & BIONDIC, R. (eds.): 2. hrvatski geoloski kongres (Second Croatian Geological Congress) (Cavtat - Dubrovnik, 17-21.05.2000.), Zbornik radova (Proceedings), 189-191, 1 fig., Zagreb.

SOKAC, B. (2000): Salpingoporella donatae n.sp. (Dasycladales) from Upper Cretaceous Limestone of the Environs of Primosten (Dalmatia, Croatia). - Geol. Croat, 53/1, 199-207, 1 fig., 1 tab., 3 pls., Zagreb.

GRGASOVIC, T. (2001): Triassic Dasycladales from the reefeal facies: examples from NW Croatia. - In: BUCUR, I.I. & TANTAU, I. (eds.): 4th regional symposium of I.F.A.A. (Algae and carbonate platforms in Romania) (August 29-September 5, 2001, Cluj-Napoca, Romania), Programme and abstracts, p. 27, Cluj-Napoca.

SOKAC, B. (2001): Lower and Middle Liassic calcareous algae (Dasycladales) from Mt. Velebit (Croatia) and Mt. Trnovski Gozd (Slovenia) with particular reference to the genus Palaeodasycladus (PIA, 1920) 1927 and its species. - Gol. Croat, 54/2, 133-257, 8 figs., 17 tabs., 42 pls., Zagreb.

GRGASOVIC, T., SOKAC, B. & HALAMIC, J. (2002): Scinderella scopuliformis nov.gen., nov.sp. (Dasycladales, Green Algae) from the middle Triassic of Croatia (Scinderella scopuliformis nov.gen., nov.sp. (Dasycladales, Algues vertes) du Trias moyen de Croatie). - Geobios, 35, 303-312, 5 figs., Lyon.

RADOICIC, R. (2002): New dasycladalean alga from the Upper Cretaceous of the island Pasman (Croatia). - Geol. anali Balk. poluostr., 64, 83-87, 1 pl., Beograd.

TISLJAR J., VLAHOVIC I., VELIC I. & SOKAC, B. (2002): Carbonate platform megafacies of the Jurassic and Cretaceous deposits of the Karst Dinarides. - Geol. Croat., 55/2,139-170, Zagreb.

GRGASOVIC, T. (2003): Revizija rodova Physoporella Steinmann i Oligoporella Pia (Dasycladales) (Revision of genera Physoporella STEINMANN and Oligoporella PIA (Dasycladales)). - Unpublished PhD thesis, Faculty of Science, Zagreb University, viii+484 p., 70 figs., 40 tabs., 26 pls., 1 suppl.

GRGASOVIC, T. & SOKAC, B. (2003a): Review on fossil dasycladalean associations in the Triassic of Croatia. - In: YUAN XUNLAI & MU XINAN (eds.): Fossil Algae and Stromatolites. Acta Micropal. Sinica, 20/1, 75-79, 1 fig., Nanjing.

GRGASOVIC, T. & SOKAC, B. (2003b): Dasycladales in the stratigraphy of the Croatian Dinarides Mts. - In: BRAGA, J.C. & AGUIRRE, J. (eds.): 8th International Symposium on Fossil Algae, Abstracts, 27-28, Granada.

RADOICIC, R. (2004): Note on Paleocene Algae in Dubrovnik Coast (Adriatic Carbonate Platform). - Geol. anali Balk. poluostr., 65 (2002-2003), 29-45, 1 fig., 1 tab., 6 pls., Beograd.

SOKAC, B. & GRGASOVIC, T. (2004): Megaporella nikleri n.sp., a new calcareous alga (Dasycladales) from the Upper Barremian of Mt. Biokovo, Croatia. - Riv. Ital. Paleontol. Stratigr., 110/3, 651- 658, 4 figs., 2 pls., Milano.

SOKAC, B. (2004): On some Peri-Mediterranean Lower Cretaceous dasyclad species (calcareous algae; Dasycladales) previously assigned to different genera. - Geol. Croat, 57/1, 15-53, 3 figs., 3 tabs., 12 pls., Zagreb.

GORICAN S., HALAMIC J., GRGASOVIC T. & KOLAR-JUR KOVSEK T. (2005): Stratigraphic evolution of Triassic arc-backarc system in northwestern Croatia. - Bull. Soc. géol. France, 176/1, 3-22, 5 figs., 3 pls., Paris.

GRGASOVIC, T. & SOKAC, B. (2005): New dasyclads from the Anisian of Lika (Croatia). - In: FUGAGNOLI, A. & BASSI, D. (eds.): 5th Regional Symposium of the International Fossil Algae Association (30th-31st August 2005, Ferrara, Italy), Abstracts. Museologia Sci. Nat., 24, Ferrara.

SOKAC, B. (2005): Linoporella vesiculifera n.sp., A New Calcareous Alga (Dasycladales) from the Upper Barremian of Mt. Biokovo (Karst Dinarides, Croatia). - Geol. Croat., 58/2, 119-131, Zagreb.

SREMAC, J. (2005): Equatorial shelf of the Palaeozoic supercontinent - Cradle of the Adriatic Carbonate Platform. - Geol. Croat, 58/1, 1-19, Zagreb.

CARRAS, N., CONRAD, M.A. & RADOICIC, R. (2006): Salpingoporella, a common genus of Mesozoic Dasycladales (calcareous green algae). - Rev. Paléobiol., 25/2, 457-517, Gencve.

HUSINEC, A. & SOKAC, B. (2006): Early Cretaceous benthic associations (foraminifera and calcareous algae) of a shallow tropical-water platform environment (Mljet Island, southern Croatia). - Cretac. Res., 27/3, 418-441.

GRGASOVIC, T. & VLAHOVIC, I. (ed.) (2007): 9th International Symposium on Fossil Algae, Field-Trip Guidebook and Abstracts. Hrvatski geoloski institut - Croatian Geological Survey, vi+262 p., Zagreb.

* papers on investigations in other countries