Species
Pachystrophia vortex (Eichwald, 1856)
Synonyymit
1856     Euomphalus vortex n. sp.  — Eichwald, E. , pp. 601
1859     Euomphalus vortex Eichwald  — Eichwald, E. , fig. 42: 15
1860     Euomphalus vortex Eichwald  — Eichwald, E. , pp. 1150
1868     Euomphalus vortex Eichwald  — Bigsby , pp. 154
1925     Straparollus vortex (Eichwald) — Koken & Perner , pp. 131, fig. 14: 2
Aiheeseen liittyvät julkaisut
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.
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Luokittelu
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Mollusca | 
| Class | Gastropoda | 
| Subclass | Eogastropoda | 
| Order | Euomphalina | 
| Superfamily | Euomphaloidea | 
| Family | Holopeidae | 
| Genus | Pachystrophia | 
| Species | devexa | 
| dilatata | |
| helicoides | |
| vortex | 
 See also 
Levinneisyys ja viitteet
- Eichwald, 1856c Hiiumaa Island