Rhynchonellata - Rhynchonellida - Stenoscismatidae
Parent taxon: Stenoscismatidae according to J. B. Waterhouse 2004
See also Grant 1965 and Williams et al. 2002
Sister taxa: Cyrolexinae, Nantanella, Proatriboniinae, Septacamera, Torynechinae
Subtaxa: Atribonium Camerisma Coledium Liufaia Sedecularia Sedenticellula Stenoscisma Torynechus
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Afghanistan (1 collection), Australia (22), Azerbaijan (1), Bolivia (15), Cambodia (1), Canada (21: British Columbia, Northwest Territories, Nunavut, Yukon), China (63), Germany (2), Greece (2), Greenland (29), Hungary (1), India (3), Indonesia (10), Iran (1), Italy (5), Japan (7), Laos (1), Lithuania (16), Madagascar (1), Malaysia (6), Mexico (4), Mongolia (2), Myanmar (8), Nepal (3), New Zealand (3), Oman (2), Pakistan (98), the Russian Federation (22), Slovenia (3), Svalbard and Jan Mayen (8), Tajikistan (3), Thailand (10), Timor-Leste (1), Tunisia (3), Ukraine (2), the United Kingdom (26), United States (337: Alaska, California, New Mexico, Oregon, Texas)
• Namurian of Thailand (1)
• Carboniferous of Australia (12), Bolivia (1), Canada (4: Nunavut, Yukon), China (3), Czechia (1), India (8), Italy (1), Libya (1), the Russian Federation (5), South Korea (1), Spain (1), Svalbard and Jan Mayen (3), the United Kingdom (12), United States (72: Alaska, Arizona, Arkansas, California, Illinois, Indiana, Kentucky, Missouri, Montana, Nevada, New Mexico, Oklahoma, Texas)
• Givetian of United States (1: Missouri)
• Devonian of Canada (5: Alberta, Ontario), France (1), Italy (1), United States (39: Arizona, Indiana, Iowa, Michigan, Missouri, New York)
Total: 916 collections including 1214 occurrences