Pachystrophia Perner 1903 (snail)

Gastropoda - Euomphalina - Holopeidae

Full reference: J. Perner. 1903. Gastéropodes, Tome 1: Patellidae et Bellerophontidae 1-164

Parent taxon: Holopeidae according to P. J. Wagner 1999

See also Knight et al. 1960 and Sepkoski 2002

Sister taxa: Cyclora, Eopagodea, Holopea, Holopeinae, Raphistomina

Subtaxa: Pachystrophia balclatchiensis Pachystrophia contiguus Pachystrophia devexa Pachystrophia dilatata Pachystrophia gotlandicus Pachystrophia helicoides Pachystrophia inchoans Pachystrophia inornatum Pachystrophia lescarboti Pachystrophia mullockensis Pachystrophia orinini Pachystrophia subuloidea Pachystrophia triquestra Pachystrophia tuba Pachystrophia vortex

View classification

Type: Euomphalus devexus

Ecology: stationary epifaunal suspension feeder


• Devonian of Canada (4: Northwest Territories, Quebec collections), Kazakhstan (1), United States (1: Nevada)

• Silurian of Canada (4: Nunavut, Ontario), China (1), the Czech Republic (7), Norway (1), Sweden (6), Ukraine (2), the United Kingdom (1), United States (3: Alaska, Illinois)

• Uhaku of Estonia (1)

• Whiterockian of Canada (1: Newfoundland and Labrador)

• Ordovician of the Czech Republic (2), Estonia (4), Norway (1), Poland (1), the United Kingdom (1), United States (11: Alaska, California, Colorado, Tennessee)

Total: 53 collections including 55 occurrences

Show more details

Specimen images are retrieved through the ePANDDA API.

Click image to enlarge. Click to access iDigBio record.