Rhynchonellata - Atrypida - Atrypidae
Parent taxon: Atrypidae according to A. Williams et al. 2002
See also Savage and Baxter 1995
Sister taxa: Atrypinae, Carinatininae, Gibberosatrypa, Invertininae, Pseudogruenewaldtiinae, Variatrypinae, Waiotrypa, Zygospirinae
Subtaxa: Catatrypa Eospinatrypa Invertrypa Isospinatrypa Oglu Punctspinatrypa Spinatrypa Spinatrypina
Type: Spinatrypa
Ecology: stationary epifaunal suspension feeder
Distribution:
• Carboniferous to Permian of China (1 collection)
• Carboniferous of United States (1: illinois)
• Givetian of United States (1: Missouri)
• Devonian of Afghanistan (7), Australia (12), Austria (1), Belgium (38), Canada (97: Alberta, British columbia, Manitoba, Northwest Territories, Nunavut, Ontario, Yukon, Yukon Territory), China (16), Colombia (1), Czechia (6), France (22), Germany (25), Iran (2), Libya (1), Mongolia (1), Myanmar (2), Poland (23), the Russian Federation (35), Spain (4), Tajikistan (1), Ukraine (1), United States (250: Alaska, Illinois, Iowa, Missouri, Nevada, New Mexico, New York, Pennsylvania, Virginia, West Virginia, Wisconsin), Uzbekistan (3), Venezuela (1), Vietnam (4)
• Whitwellian of Canada (3: Northwest Territories)
• Silurian of Canada (7: Northwest Territories, Nunavut), Czechia (1), the Russian Federation (1), Sweden (12), Tajikistan (2), United States (18: California, Indiana, Nevada, New York)
Total: 600 collections including 712 occurrences