Species

Pachystrophia devexa (Eichwald, 1860)

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
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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Klassificering
Organism groupBiota
KingdomAnimalia
PhylumMollusca
ClassGastropoda
SubclassEogastropoda
OrderEuomphalina
SuperfamilyEuomphaloidea
FamilyHolopeidae
GenusPachystrophia
Speciesdevexa
dilatata
helicoides
vortex
References based on distribution