Synonyms: Barbatia (Ustularca) Iredale 1939, Ustularca Iredale 1939
Parent taxon: Barbatia according to O. Mandic and F. F. Steininger 2003
Sister taxa: Arca (Barbatia) gracilicostata, Arca (Barbatia) marylandica, Arca (Barbatia) nanggulanensis, Arca (Barbatia) oostinghi, Arca (Barbatia) strongi, Barbatia (Acar), Barbatia (Cucullaearca), Barbatia (Diluvarca), Barbatia (Granoarca), Barbatia (Hawaiarca), Barbatia (Mesocibota), Barbatia (Obliquarca), Barbatia (Rostarca), Barbatia aegyptiaca, Barbatia aspera, Barbatia axinaea, Barbatia carolinensis, Barbatia consutilis, Barbatia corvamnis, Barbatia crustata, Barbatia culleni, Barbatia deusseni, Barbatia dissimilis, Barbatia gibba, Barbatia helblingi, Barbatia inglisia, Barbatia irregularis, Barbatia kayalensis, Barbatia legayi, Barbatia lignitifera, Barbatia limatella, Barbatia ludoviciana, Barbatia malaiana, Barbatia mauryae, Barbatia mississippiensis, Barbatia paradiagona, Barbatia pistachia, Barbatia pumila, Barbatia quilonensis, Barbatia rembangensis, Barbatia seraperta, Barbatia simulans, Barbatia subtrigonalis, Barbatia sundaiana, Barbatia uxorispalmeri, Barbatia wendti
Subtaxa: Barbatia (Barbatia) adamsiana, Barbatia (Barbatia) appendiculata, Barbatia (Barbatia) barbata, Barbatia (Barbatia) bonaczyi, Barbatia (Barbatia) cancellaria, Barbatia (Barbatia) costellata, Barbatia (Barbatia) delepida, Barbatia (Barbatia) endomena, Barbatia (Barbatia) inusitata, Barbatia (Barbatia) islopa, Barbatia (Barbatia) lacerata, Barbatia (Barbatia) lima, Barbatia (Barbatia) nattheimensis, Barbatia (Barbatia) picota, Barbatia (Barbatia) propatula, Barbatia (Barbatia) propertua, Barbatia (Barbatia) uhligi, Barbatia (Ustularca) fusca, Barbatia (Ustularca) stearnsii
Ecology: stationary epifaunal suspension feeder