Bivalvia - Trigoniida - Trigoniidae
Alternative spelling: Apiotrigonia
Full reference: L. R. Cox. 1952. Notes on the Trigoniidae, with outlines of a classification of the family. Proceedings of the Malacological Society of London 29:45-70
Parent taxon: Megatrigonia according to L. R. Cox 1952
See also Bouchet et al. 2010, Hayami 1975, Jones 1960, Sepkoski 2002 and Tashiro and Kozai 1982
Sister taxa: Megatrigonia arsinoe, Megatrigonia carrincurensis, Megatrigonia conocardiiformis, Megatrigonia discors, Megatrigonia eximia, Megatrigonia obesa, Megatrigonia picunensis, Megatrigonia pusilla, Megatrigonia staffi
Subtaxa: Apiotrigonia (Apiotrigonia) Apiotrigonia buchi Apiotrigonia calderoni Apiotrigonia disparilis Apiotrigonia maudensis Apiotrigonia newcombei Apiotrigonia pennata Apiotrigonia progonos Apiotrigonia robinaldina Apiotrigonia turcmenensis Megatrigonia (Apiotrigonia) condoni Megatrigonia (Apiotrigonia) sulcataria
Type: Trigonia sulcataria
Ecology: fast-moving shallow infaunal suspension feeder
Distribution:
• Cretaceous of Chile (1 collection), Japan (28), the Russian Federation (2), United States (10: California, Oregon)
Total: 41 collections including 45 occurrences