See also Sepkoski 2002
Sister taxon: Tallinnella
Type: Beyrichia quadrilirata
• Devonian of United States (2: Pennsylvania collections)
• Ordovician of Canada (30: Northwest Territories, Nunavut, Ontario), Estonia (1), Latvia (4), Morocco (2), Norway (3), Portugal (1), the Russian Federation (2), Spain (1), United States (23: Iowa, Michigan, Minnesota, Tennessee)
Total: 69 collections including 87 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.