Species
Pachystrophia devexa (Eichwald, 1860)
Type specimen data
PSM 1/976 ,
Synonymy list
1859 Euomphalus devexus sp. n. — Eichwald , fig. 43: 18
1860 Euomphalus devexus m. — Eichwald , pp. 1144
1861 Euomphalus devexus — Eichwald , pp. 330 , fig. XXII 18 a-b
1868 Euomphalus devexus Eichwald — Bigsby , pp. 153
1889 Euomphalus devexus Eichwald — Koken , pp. 409
1896 Euomphalus devexus Eichwald — Koken , pp. 398
1897 Euomphalus devexus Eichwald — Koken , pp. 181
1925 Pachystrophia devexa (Eichwald, 1859) — Koken & Perner , pp. 123 , fig. 15: 16-21
1941 Pachystrophia devexa (Eichwald) — Knight , pp. 225 , fig. 74:3
1955 Pachystrophia aff. devexa (Eichwald) — Vostokova , pp. 97 , fig. 4:1
1960 Pachystrophia devexa (Eichwald) — Vostokova , pp. 79 , fig. 6:4
1970 Lesueurilla devexa (Eichwald) — Rõõmusoks , pp. 77
1973 Pachystrophia devexa (Eichwald) — Neben & Krueger , fig. 55:15-16
2001 Pachystrophia devexa (Eichwald) — Rohr & Measures , pp. 292 , fig. 8.1-8.3
Selection of related publications
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).
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Gastropoda |
| Subclass | Eogastropoda |
| Order | Euomphalina |
| Superfamily | Euomphaloidea |
| Family | Holopeidae |
| Genus | Pachystrophia |
| Species | devexa |
| dilatata | |
| helicoides | |
| vortex |
References based on distribution
- Rõõmusoks, 1970a Aluvere quarry Jõhvi Substage
- Eichwald, 1861a