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 of Algeria (3 collections), Angola (5), Antarctica (2), Argentina (9), Australia (1), Austria (1), Belgium (1), Brazil (3), Canada (9: British Columbia), Chile (24), Colombia (2), Cuba (1), Ecuador (1), Egypt (30), France (2), Germany (1), Hungary (1), India (4), Italy (2), Japan (123), Libya (4), Madagascar (1), Mexico (5), Mozambique (10), New Zealand (6), Oman (4), Peru (13), Portugal (4), Serbia and Montenegro (1), South Africa (14), Spain (2), Trinidad and Tobago (1), Turkmenistan (1), Ukraine (29), the United Arab Emirates (3), the United Kingdom (21), United States (369: Alabama, Arkansas, California, Delaware, Georgia, Kansas, Maryland, Mississippi, Missouri, New Jersey, New Mexico, North Carolina, South Carolina, Tennessee, Texas), Venezuela (6), Yemen (1)
• Jurassic to Cretaceous of Antarctica (1), Argentina (1), Chile (1)
• Jurassic of Antarctica (8), Argentina (1), Canada (6: British Columbia), Chile (5), India (3)
Total: 746 collections including 882 occurrences