Alternative spellings: Anadara (Hawaiarca), Hawaiarca
Parent taxon: Barbatia according to H. G. Spencer et al. 2004
See also Bouchet et al. 2010, Sepkoski 2002 and Woodring 1973
Sister taxa: Arca (Barbatia) gracilicostata, Arca (Barbatia) nanggulanensis, Arca (Barbatia) oostinghi, Arca (Barbatia) tenuicrenata, Barbatia (Barbatia), Barbatia (Cucullaearca), Barbatia (Diluvarca), Barbatia (Granoarca), 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: Anadara (Hawaiarca) cibaoica Anadara (Hawaiarca) donacia Anadara (Hawaiarca) guajatica Barbatia (Hawaiarca) alia Barbatia (Hawaiarca) rectangula
Type: Hawaiarca rectangula
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of Taiwan (1 collection)
• Pliocene of Jamaica (4), Panama (1)
• Miocene of the Dominican Republic (3), Haiti (1), Panama (1), Puerto Rico (2)
Total: 13 collections each including a single occurrence