Alternative spellings: Arca (Cucullaearca), Cucullaearca
Parent taxon: Barbatia according to J. A. Todd 2001
See also Coan et al. 2000, Dockery 1982, Jung 1965, Mikkelsen 2006, Moore 1983, Pacaud and Le Renard 1995, Palmer and Brann 1965, Reinhart 1943, Sepkoski 2002, Squires 1987, Squires 1988 and Vokes 1980
Sister taxa: Arca (Barbatia) gracilicostata, Arca (Barbatia) nanggulanensis, Arca (Barbatia) oostinghi, Arca (Barbatia) tenuicrenata, Barbatia (Barbatia), Barbatia (Barbatia) glimmerodensis, Barbatia (Diluvarca), Barbatia (Granoarca), Barbatia (Hawaiarca), Barbatia (Mesocibota), Barbatia (Obliquarca), Barbatia aegyptiaca, Barbatia aptiensis, Barbatia aspera, Barbatia axinaea, Barbatia candida, Barbatia carolinensis, Barbatia consutilis, Barbatia corvamnis, Barbatia cowlitzensis, Barbatia crustata, Barbatia culleni, Barbatia deusseni, Barbatia dissimilis, Barbatia foliata, Barbatia geinitzi, Barbatia gibba, Barbatia glyphus, Barbatia helblingi, Barbatia illota, Barbatia inglisia, Barbatia irregularis, Barbatia kayalensis, Barbatia landesi, Barbatia legayi, Barbatia lignitifera, Barbatia limatella, Barbatia ludoviciana, Barbatia malaiana, Barbatia marylandica, Barbatia mauryae, Barbatia meridiana, Barbatia mundeformata, Barbatia nodai, Barbatia paradiagona, Barbatia pistachia, Barbatia pseudoillota, Barbatia pumila, Barbatia quilonensis, Barbatia rembangensis, Barbatia seraperta, Barbatia simulans, Barbatia subtrigonalis, Barbatia sundaiana, Barbatia suzzalloi, Barbatia uxorispalmeri, Barbatia wendti
Subtaxa: Barbatia (Cucullaearca) cliffensis Barbatia (Cucullaearca) cuculloides Barbatia (Cucullaearca) lima Barbatia (Cucullaearca) mississippiensis Barbatia (Cucullaearca) reeveana Cucullaearca candida
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of Ecuador (3 collections), Mexico (9), Panama (1)
• Pliocene of Ecuador (1)
• Miocene of Bulgaria (1), the Russian Federation (1), Venezuela (1)
• Oligocene of United States (32: Alabama, Georgia, Mississippi)
• Eocene of United States (27: Alabama, California, Louisiana, Mississippi, North Carolina, South Carolina, Texas)
• Paleocene to Eocene of United States (1: California)
• Paleocene of France (1), United States (11: Alabama, Louisiana)
• Cretaceous of United States (4: Alabama, Mississippi)
Total: 93 collections including 101 occurrences