Alternative spellings: Arca (Calloarca), Barbatia (Calloarca)
Parent taxon: Arcinae according to H. E. Vokes 1980
See also Bouchet et al. 2010, Maury 1917, Olsson 1922, Reinhart 1943, Sepkoski 2002, Todd 2001 and Woodring 1973
Sister taxa: Acar, Arca, Destacar, Eonavicula, Epitrisis, Lamarcka, Mimarcaria, Miratacar, Nipponarca, Opularca, Plagiarca, Thronacar, Trisidos
Subtaxa: Barbatia (Calloarca) alternata Barbatia (Calloarca) irregularis Barbatia (Calloarca) submarylandica Calloarca (Calloarca) Calloarca (Taeniarca)
Type: Arca alternata
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of Mexico (1 collection), United States (5: Florida)
• Pliocene to Pleistocene of Mexico (1)
• Pliocene of the Dominican Republic (1), United States (1: Florida)
• Miocene of the Dominican Republic (1), Ecuador (2), Panama (3), United States (2: Florida)
• Eocene of Germany (1)
Total: 18 collections including 19 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.