Rhynchonellata - Atrypida - Atrypidae
Parent taxon: Atrypidae according to A. Williams et al. 2002
Sister taxa: Atrypinae, Carinatininae, Gibberosatrypa, Invertininae, Pseudogruenewaldtiinae, Spinatrypinae, Waiotrypa, Zygospirinae
Subtaxa: Anatrypa Desquamatia Devonatrypa Pseudoatrypa Radiatrypa Uralospira Variatrypa
Type: Variatrypa
Ecology: stationary epifaunal suspension feeder
Distribution:
• Givetian of France (1 collection), the Russian Federation (1), United States (1: Missouri)
• Devonian of Afghanistan (7), Australia (13), Belgium (11), Canada (90: Alberta, Alberta, Saskatchewan, Mackenzie, Manitoba, Northwest Territories, Nunavut, Ontario, Yukon, Yukon Territory), China (16), Czechia (2), France (8), Germany (9), Libya (1), Morocco (1), Myanmar (2), Poland (15), the Russian Federation (33), Spain (1), Tajikistan (1), United States (336: Alaska, Arizona, Illinois, Indiana, Iowa, Kentucky, Maryland, Michigan, Missouri, Nevada, New Mexico, New York, Ohio, Pennsylvania, Wisconsin), Uzbekistan (2), Vietnam (8)
• Silurian of Australia (1), Sweden (6)
Total: 566 collections including 742 occurrences