Gastropoda - Euomphalina - Holopeidae
Alternative combinations: Euomphalus triquestra, Liomphalus triquestra, Lytospira triquestrus
Full reference: G. Lindström. 1884. The Silurian Gastropoda and Pteropoda of Gotland. Kongliga Svenska Vetenskaps-Akademiens Handlingasr 19:1-250
Belongs to Pachystrophia according to P. J. Wagner 2023
See also Chapman 1916, Lindström 1884, Rohr and Measures 2001, Rohr and Smith 1978 and Wagner 1999
Sister taxa: 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 tuba, Pachystrophia vortex
Distribution:
• Devonian of Canada (3: Northwest Territories collections)
• Silurian of Sweden (1)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.