Bivalvia - Cardiida - Veneridae
Parent taxon: Callocardia according to E. V. Coan and P. Valentich-Scott 2012
See also Gardner 1943, Glenn 1904 and Ward and Blackwelder 1987
Sister taxa: Callocardia (Atopodonta), Callocardia (Callocardia), Callocardia (Nitidavenus), Callocardia guttata, Callocardia salvia
Subtaxa: Callocardia (Agriopoma) aresta Callocardia (Agriopoma) castoriana Callocardia (Agriopoma) catharia Callocardia (Agriopoma) chioneformis Callocardia (Agriopoma) gatunensis Callocardia (Agriopoma) prunensis Callocardia (Agriopoma) subnasuta Callocardia (Agriopoma) texasiana
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of Costa Rica (1 collection), United States (10: Florida, Louisiana, North Carolina)
• Pliocene of Costa Rica (2), Jamaica (1), United States (1: North Carolina)
• Miocene of Brazil (1), Colombia (4), Costa Rica (1), Ecuador (2), Panama (64), Trinidad and Tobago (2), United States (18: Florida)
• Oligocene to Miocene of United States (3: Florida)
• Eocene of Mexico (3), United States (2: Maryland, Virginia)
Total: 115 collections including 117 occurrences