Bivalvia - Trigoniida - Trigoniidae
Alternative spelling: Trigoninae
Parent taxon: Trigoniidae according to J. G. Carter et al. 2011
See also Bouchet et al. 2010, Packard 1921, Pérez et al. 2008 and Stilwell 1998
Sister taxa: Acanomyphoria, Actinotrigonia, Anditrigoniinae, Asiatotrigonia, Buchotrigonia, Climacotrigonia, Eotrigonia, Geratrigonia, Heterotrigonia, Ibotrigonia, Korobkovitrigonia, Kyushutrigonia, Latitrigonia, Linotrigonia, Liotrigonia, Luxitrigonia, Lyroschizodus, Maputrigonia, Megatrigonia, Mesotrigonia, Microtrigonia, Minetrigonia, Minetrigoniinae, Myophorigonia, Neotrigonia, Neuquenitrigoniinae, Nipponitrigonia, Nototrigonia, Nototrigoniinae, Opisthotrigonia, Pacitrigonia, Pleurotrigoniinae, Prorotrigonia, Psilotrigoniinae, Quadratotrigonia, Quoiecchia, Rutitrigonia, Sichuantrigonia, Sphenotrigonia, Turbitrigonia, Lyrodon
Subtaxa: Guineana Magharitrigonia Trigonia
Ecology: fast-moving shallow infaunal suspension feeder
Distribution:
• Paleocene of Argentina (1 collection)
• Cretaceous to Paleogene of Argentina (1)
• Cretaceous of Afghanistan (1), Algeria (1), Antarctica (1), Argentina (57), Armenia (1), Australia (2), Austria (1), Brazil (5), Bulgaria (3), Canada (1: British Columbia), Chile (12), Colombia (1), Egypt (8), France (8), Greenland (2), Hungary (1), India (1), Italy (1), Lebanon (1), Mexico (9), Mozambique (1), the Netherlands (1), New Zealand (28), Nigeria (1), Papua New Guinea (2), Peru (3), Portugal (1), the Russian Federation (1), South Africa (2), Spain (2), Switzerland (7), Tanzania (1), Turkmenistan (1), Ukraine (15), the United Kingdom (5), United States (118: Alabama, Arizona, Arkansas, California, Delaware, Maryland, Mississippi, New Jersey, North Carolina, Tennessee, Texas), Venezuela (2), Yemen (1)
• Temaikan of New Zealand (1)
• Jurassic to Cretaceous of Antarctica (1), Argentina (1)
• Jurassic of Afghanistan (1), Argentina (5), Canada (19: Alberta, British Columbia, Yukon), Chile (47), China (1), Egypt (7), Ethiopia (1), France (28), Germany (3), Greenland (17), India (61), Iran (1), Japan (4), Kenya (6), Luxembourg (2), Madagascar (5), Mexico (2), Morocco (3), New Zealand (3), Poland (5), Portugal (2), the Russian Federation (3), Saudi Arabia (30), Somalia (4), Spain (28), Svalbard and Jan Mayen (1), Switzerland (3), Tanzania (36), Thailand (3), Tunisia (19), the United Kingdom (31), United States (107: Alaska, California, Idaho, Montana, Nevada, Oregon, Texas, Utah, Wyoming), Yemen (15)
• Triassic of Austria (1), Chile (2), China (3), Iran (12), Italy (4), Japan (1), Mexico (1), Papua New Guinea (3), the Russian Federation (3), Tajikistan (1), Türkiye (1), United States (4: Alaska, California, Idaho, Nevada), Vietnam (1)
• Permian of Bolivia (1)
Total: 855 collections including 929 occurrences