Genus
Protaraea Milne-Edwards et Haime, 1851
Selection of related publications
Vinn, O., Wilson, M. A., Holmer, L. E., Ernst, A., Tinn, O., Toom, U. 2022. Diverse endobiotic symbiont fauna from the late Katian (Late Ordovician) of Estonia. Palaeontologia Electronica 25, 3, 1-13. DOI:10.26879/1232
Mõtus, M., Zaika, Y. 2012. The oldest heliolitids from the early Katian of the East Baltic region. GFF 134, 3, 225-234. DOI:10.1080/11035897.2012.721805
Bondarenko, O. B., Gataulina, G. M. 1986. Reviziâ geliolitoidej kollekcii È. J. Èjhval"da. Voprosy paleontologii IX, 5-17.
Sokolov, B. S., Tesakov, J. I. 1984. Populâcionnyj, biocenotičeskij i biostratigrafičeskij analiz tabulât. Podol'skaâ model'. pp. 1-140. Nauka.
Nestor, H. 1981. The relationships between stromatoporoids and heliolitids. Lethaia 14, 1, 21-25. DOI:10.1111/j.1502-3931.1981.tb01069.x
Sokolov, B. S. 1955. Tabulâty paleozoâ Evropejskoj časti SSSR. Vvedenie. Obŝie voprosy sistematiki i istorii razvitiâ tabulât (s harakteristikoj morfologičeski blizkih grupp). Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI) 85, 1-328. Gostoptehizdat.
Lindström, G. 1899. Remarks on the Heliolitidae. Kungliga Svenska Vetenskapsakademiens Handlingar 32, 1, 1-140. P. A. Norstedt & Söner.
Eichwald, E. 1856. Beitrag zur geographischen Verbreitung der fossilen Thiere Russlands. Alte Periode. (Fortsetzung). Bulletin of the Moscow Society of Naturalists. Geological series 29, 1, 88-127.
Eichwald, E. 1855. Beitrag zur geographischen Verbreitung der fossilen Thiere Russlands. Alte Periode. Bulletin de la Société Imperiale des Naturalistes de Moscou 28, 4, 433-466.
Eichwald, E. 1854. Die Grauwackenschichten von Liv- und Estland. Bulletin de la Société Imperiale des Naturalistes de Moscou 27, 1, 1-111.
List of species
1. Protaraea approximata (Eichwald, 1855) | Vormsi Stage
2. Protaraea bella Sokolov, 1955 | Vormsi Stage
3. Protaraea diffluens (Eichwald, 1854) | Oandu Stage
4. Protaraea schmidtii (Kiaer, 1899) | Pirgu Stage
5. Protaraea ungerni (Eichwald, 1855) | Upper Ordovician
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Subphylum | Anthozoa |
| Subclass | Tabulata |
| Superorder | Heliolitoidea |
| Suborder | Heliolitina |
| Superfamily | Coccoseridicae |
| Family | Coccoserididae |
| Genus | Acidolites |
| Coccoseris | |
| Diplastraea | |
| Esthonia | |
| Protaraea | |
| Species | approximata |
| bella | |
| diffluens | |
| microporus | |
| procella | |
| richmondensis | |
| schmidtii | |
| ungerni | |
| vetusta | |
| Subspecies | megastoma minor |
| Genus | Pseudocosmiolithus |
See also