Rhynchonellata - Atrypida - Atrypidae
Parent taxon: Atrypidae according to A. Williams et al. 2002
See also Bassett and Cocks 1974, Boucot and Johnson 1964, Jones 1982, Savage and Baxter 1995 and Villas and Cocks 1996
Sister taxa: Carinatininae, Gibberosatrypa, Invertininae, Pseudogruenewaldtiinae, Spinatrypinae, Variatrypinae, Waiotrypa, Zygospirinae
Subtaxa: Askerina Atrypa Atryparia Atrypinae margaritoides Endrea Gotatrypa Joviatrypa Kyrtatrypa Oglupes Omnutakhella Rugosatrypa Sifella Togatrypa
Ecology: stationary epifaunal suspension feeder
Distribution:
• Carboniferous of Australia (1 collection), United States (2: California, Montana)
• Givetian of France (5), the Russian Federation (1)
• Devonian of Afghanistan (7), Australia (46), Austria (1), Belarus (1), Belgium (6), Canada (179: Alberta, British Columbia, British columbia, Manitoba, New Brunswick, Northwest Territories, Northwest Territories and Yukon, Nunavut, Ontario, Quebec, Yukon, Yukon Territory), China (33), Colombia (22), the Czech Republic (6), France (9), Germany (20), Italy (4), Japan (1), Kazakhstan (1), Mongolia (6), Morocco (1), Myanmar (2), Peru (1), Poland (6), the Russian Federation (35), Spain (9), Tajikistan (4), Thailand (2), Ukraine (6), United States (213: Alaska, California, Idaho, Indiana, Iowa, Maryland, West Virginia, Virginia, Michigan, Montana, Nevada, New Hampshire, New Mexico, New York, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, West Virginia, West Virginia, Maryland, Pennsylvania, Wisconsin), Uzbekistan (3), Venezuela (4), Vietnam (9)
• Whitwellian of Canada (4: Northwest Territories)
• Jaani of Estonia (13), Lithuania (4)
• Niagaran of Canada (3: Québec), United States (3: Indiana, New York, Ohio)
• Silurian to Devonian of Algeria (1), Australia (1), Morocco (1), Pakistan (1), United States (1: Oklahoma)
• Silurian of Australia (14), Belarus (5), Bolivia (1), Canada (93: British Columbia, New Brunswick, Northwest Territories, Nova Scotia, Nunavut, Ontario, Quebec, Québec, Yukon), China (15), the Czech Republic (20), Estonia (17), Greenland (2), India (4), Iran (1), Ireland (3), Italy (1), Kazakhstan (1), Latvia (3), Lithuania (40), Mexico (13), Mongolia (4), Morocco (1), Norway (6), Poland (1), the Russian Federation (17), Sweden (41), Ukraine (14), the United Kingdom (66), United States (245: Alabama, Alaska, Arkansas, California, Georgia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Nebraska, Nevada, New Hampshire, New York, Oklahoma, Tennessee, Utah, West Virginia, Wisconsin), Venezuela (3)
• Ordovician to Silurian of the Russian Federation (1)
• Ordovician of Canada (3: Nunavut), China (1), the Czech Republic (2), Sweden (1), United States (3: Idaho, Illinois)
Total: 1320 collections including 1441 occurrences