Bivalvia - Trigoniida - Megatrigonioidae
Synonym: Anditrigoniidae Leanza 1993
Parent taxon: Megatrigoniitae according to J. G. Carter et al. 2011
See also Bouchet et al. 2010
Sister taxon: Iotrigoniidae
Subtaxa: Anditrigonia Megatrigoniinae Pterotrigoniinae
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Cretaceous to Paleogene of Argentina (1 collection)
• Cretaceous of Algeria (3), Angola (3), Antarctica (2), Argentina (54), Australia (1), Austria (1), Belgium (1), Brazil (3), Canada (9: British Columbia), Chile (25), Colombia (1), Ecuador (1), Egypt (30), France (9), Germany (1), Hungary (2), India (4), Italy (2), Japan (132), Kyrgyzstan (1), Libya (4), Madagascar (1), Mexico (6), Mozambique (10), New Zealand (16), North Atlantic (1), Oman (4), Peru (13), Portugal (4), the Russian Federation (2), Serbia (2), South Africa (13), Spain (2), Switzerland (20), Trinidad and Tobago (1), Turkmenistan (1), Ukraine (29), the United Arab Emirates (3), the United Kingdom (22), United States (268: Alabama, Arizona, Arkansas, California, Delaware, Georgia, Maryland, Mississippi, Missouri, New Jersey, New Mexico, North Carolina, South Carolina, Tennessee, Texas), Yemen (1)
• Jurassic to Cretaceous of Antarctica (1), Argentina (1), Chile (1)
• Jurassic of Antarctica (8), Argentina (4), Canada (6: British Columbia), Chile (5), India (3), United States (1: Texas)
Total: 739 collections including 848 occurrences