Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Alternative spelling: Trigonorhynchiidae
Parent taxon: Rhynchotrematoidea according to K. G. Jakobsen et al. 2014
See also Bassett and Cocks 1974, Brice et al. 2011, Hints and Harper 2015, Jin and Chatterton 1997, Mitchell 1977, Musteikis and Modzalevskaya 2002, Rubel and Rozman 1977, Savage and Goodwin 1998 and Williams et al. 2002
Sister taxa: Leptocoeliidae, Machaerariidae, Orthorhynchulidae, Phoenicitoechiidae, Rhynchotrematidae, Trigonorhynchiidae
Subtaxa: Ancillotoechia Angustispatulata Hemitoechiinae Ptychomalotoechia Ripidiorhynchinae Rostricellulinae Trigonirhynchiinae Virginiatinae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Carboniferous of Australia (1 collection), Canada (37: Alberta), China (3), France (1), Libya (8), United States (17: Arkansas, Iowa, Montana, Nevada, Oklahoma, Texas)
• Givetian of France (4)
• Devonian to Carboniferous of China (1), the United Kingdom (1)
• Devonian of Afghanistan (20), Algeria (1), Argentina (1), Armenia (3), Australia (3), Austria (1), Canada (78: Alberta, British Columbia, Northwest Territories, Nunavut, Yukon, Yukon Territory), China (9), the Czech Republic (4), France (21), Germany (22), Iran (25), Italy (2), Kyrgyzstan (1), Libya (22), Luxembourg (1), Mauritania (1), Mongolia (2), Morocco (7), Peru (2), Poland (7), the Russian Federation (29), Spain (6), Tajikistan (3), Ukraine (1), the United Kingdom (6), United States (308: Alaska, Arizona, Colorado, Indiana, Iowa, Maryland, Michigan, Missouri, Montana, Nevada, New Mexico, New York, Ohio, Oklahoma, Pennsylvania, Virginia, West Virginia, West Virginia, Maryland, Pennsylvania, Wisconsin)
• Whitwellian of Canada (4: Northwest Territories)
• Jaani of Estonia (8), Lithuania (3)
• Niagaran of Canada (1: Québec), United States (1: Ohio)
• Silurian to Devonian of Mauritania (1), Morocco (2), Spain (1), United States (1: Oklahoma)
• Silurian of Argentina (7), Austria (1), Belarus (1), Canada (33: British Columbia, New Brunswick, Northwest Territories, Nunavut, Ontario, Quebec, Québec, Yukon, Yukon Territory), China (10), the Czech Republic (27), Estonia (10), Guinea (1), Iran (1), Ireland (1), Jordan (4), Latvia (3), Lithuania (35), Mauritania (1), Mexico (4), Mongolia (2), Morocco (1), Norway (10), Poland (1), the Russian Federation (19), Spain (3), Sweden (31), Ukraine (8), the United Kingdom (57), United States (88: Arkansas, California, Illinois, Indiana, Iowa, Nevada, New York, Oklahoma, Tennessee, Utah, Virginia, West Virginia, Wisconsin), Venezuela (2)
• Dobrotivian of Spain (1)
• Chazyan of Canada (26: Northwest Territories, Ontario, Quebec), United States (43: New York, Tennessee, Vermont)
• Whiterockian of Canada (2: Northwest Territories), United States (1: Virginia)
• Ordovician to Silurian of Canada (4: Québec), the Russian Federation (1), South Africa (1)
• Ordovician of Argentina (3), Australia (4), Bolivia (1), Canada (24: British Columbia, Newfoundland and Labrador, Northwest Territories, Nunavut, Ontario, Quebec, Québec), China (26), the Czech Republic (7), Estonia (14), France (2), Iran (1), Ireland (1), Kazakhstan (1), Latvia (24), Mongolia (2), Morocco (5), Myanmar (1), New Zealand (1), Norway (13), Paraguay (4), Poland (1), Portugal (3), the Russian Federation (68), Spain (5), Sweden (10), Turkey (2), the United Kingdom (43), United States (93: Georgia, Illinois, Illinois, Iowa, Kentucky, Minnesota, Oklahoma, Tennessee, Virginia, Wisconsin), Venezuela (1)
Total: 1481 collections including 1739 occurrences