Genus
Pachystrophia Perner, 1903
Selection of related publications
Vinn, O., Liang, K., Isakar, M., Alkahtane, A. A., Al Farraj, S., El Hedeny, M. 2025. The evolutionary innovation of coral colonization on motile gastropod shells arose shortly after the Great Ordovician Biodiversification Event in Baltica. Palaios 40, 2, 62-69. DOI:10.2110/palo.2024.010
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346. Valgus.
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. 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.
List of species
2. Pachystrophia dilatata (Koken, 1896) | Kunda Stage
3. Pachystrophia vortex (Eichwald, 1856) | Vormsi Stage
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Klassificering
Organism group | Biota |
Kingdom | Animalia |
Phylum | Mollusca |
Class | Gastropoda |
Subclass | Eogastropoda |
Order | Euomphalina |
Superfamily | Euomphaloidea |
Family | Holopeidae |
Genus | Holopea |
Pachystrophia | |
Species | devexa |
dilatata | |
helicoides | |
vortex |