Bivalvia - Cardiida - Semelidae
Parent taxon: Abra according to W. P. Woodring 1982
See also Rosenberg et al. 2006
Sister taxa: Abra (Iacra), Abra (Syndosmya), Abra aequalis, Abra alba, Abra angulata, Abra antwerpiensis, Abra deshayesi, Abra fabalis, Abra marylandica, Abra nitens, Abra obovalis, Abra recluzii, Abra suessoniensis, Abra uruguayensis
Subtaxa: Abra (Abra) lioica Abra (Abra) petropolitana Abra (Abra) prismatica Abra (Abra) triangulata
Ecology: facultatively mobile infaunal deposit feeder-suspension feeder
Distribution:
• Quaternary of France (2 collections), the United Kingdom (1)
• Pliocene of Belgium (5), Jamaica (4), the Netherlands (1), the United Kingdom (2), Venezuela (2)
• Miocene of Denmark (1), Germany (15), Panama (2)
• Oligocene of United States (3: Mississippi)
• Eocene of United States (8: Mississippi, Texas)
Total: 46 collections including 50 occurrences