Subclass
Eogastropoda Ponder et Lindberg, 1996
Selection of related publications
Nützel, A., Ebbestad, J. O., Seuss, B., Munnecke, A., Mapes, R. H., Cook, A. G. 2023. On Paleozoic platycerate gastropods. pp. 29-51. DOI:10.3897/zitteliana.97.115688
Vinn, O., Wilson, M. A. 2013. Silurian cornulitids of Estonia (Baltica). Carnets de Géologie A09, 357-367. DOI:10.4267/2042/53034
Isakar, M., Ebbestad, J. O. R., Peel, J. S. 1999. Homeomorphic gastropods from the Silurian of Norway, Estonia and Bohemia. Norsk Geologisk Tidsskrift 79, 4, 281-288. DOI:10.1080/002919699433717
Isakar, M. 1995. The platyceratacean gastropod Cyclonema (Cyclonema) hiiumaa Teichert, 1928 from the Llandovery (Silurian) of Estonia. Proceedings of the Estonian Academy of Sciences. Geology 44, 3, 184-187. DOI:10.3176/geol.1995.3.04
Isakar, M. 1990. Bivalvia and Gastropoda.Field Meeting Estonia 1990. An Excursion Guidebook , pp. 64-65. Estonia Academy of Sciences.
Kiselev, G. N., Sinicyna, I. N., Isakar, M. A., Mironova, M. G., Saladzhius, V. Y. 1990. Atlas mollûskov verhnego ordovika i silura severo-zapada Vostočno-Evropejskoj platformy. pp. 1-80. Leningrad University.
Peel, J. S., Yochelson, E. L. 1976. Two new gastropod genera from the Lower Silurian of the Oslo Region, Norway. Norsk Geologisk Tidsskrift 56, 1, 15-27.
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346. Valgus.
Saladžius, V. J. 1966. Mollusk fauna of the Silurian deposits of the south of the East Baltic territory.Palaeontology and stratigraphy of the Baltic and the Byelorussia. Number I (VI) , pp. 31-73. Mintis.
Eichwald, E. 1861. Paleontologiâ Rossii. Drevnij period. II. Fauna grauvakkovoj, gornoizvestkovoj i medistoslancevatoj formacij Rossii. pp. 1-521. R. Golike (former Ya. Ionsona).
Eichwald, E. 1860. Lethaea Rossica ou Paléontologie de la Russie. Premier volume. Ancienne Période en deux sections. pp. XIX+1–1657. E. Schweizerbart. DOI:10.5962/bhl.title.52391
Schmidt, Fr. 1858. Untersuchungen über die Silurische Formation von Ehstland, Nord-Livland und Oesel. Archiv für die Naturkunde Liv-, Ehst- und Kurlands 2, 1, 1-249. Heinrich Laakmann.
Eichwald, E. 1856. Beitrag zur geographischen Verbreitung der fossilen Thiere Russlands. Alte Periode. (Fortsetzung. S. Bulletin 1856. N 2. pag. 406.). Bulletin of the Moscow Society of Naturalists. Geological series 29, IV, 555-608.
Pacht, R. 1849. Der devonische Kalk in Livland. Ein Beitrag zur Geognosie der Ostseeprovinzen. pp. . J. C. Schünmann's Wittwe und C. Mattiesen.
Eichwald, E. von 1840. Ueber das silurische Schichten-system in Esthland. Zeitschrift für Natur- und Heilkunde 1-2, 1-210. DOI:10.5962/bhl.title.150763
List of species
1. Asgardaspira evolvens (Koken, 1897) | Aseri Stage
5. Cyclonema statshiunaica Saladzhius, 1966 | Llandovery
9. Euomphalopterus alatus (Wahlenberg, 1818) | Jaani Stage
13. Holopea coronata Koken, 1897 | Vormsi Stage
14. Holopea eichwaldi Koken, 1896 | Lasnamägi Stage
16. Holopea harpa (Lindström, 1880) | Katian
19. Holopea mobergi Troedsson, 1918 | Katian
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Gastropoda |
| Subclass | Archaeobranchia |
| Archaeogastropoda | |
| Eogastropoda | |
| Order | Euomphalina |
| Subclass | Neritimorpha |
| Orthogastropoda | |
| Prosobranchia | |
| Streptoneura | |
| Order | Bellerophontida |
| Heterostropha | |
| Superfamily | Patelloidea |
| Genus | Semizona |
See also