Bivalvia - Arcida

Synonyms: Barbatiidae Scarlato and Starobogatov 1979, Bathyarcidae Scarlato and Starobogatov

Parent taxon: Arcoidea according to J. G. Carter et al. 2011

Sister taxa: Catamarcaiidae, Cucullaeidae, Frejidae, Glycymerididae, Noetiidae, Parallelodontidae

Subtaxa: Ambrogia, Anadarinae, Angulararca, Arca, Arcinae, Asperarca, Bathyarca, Bentharca, Coraliarca, Fossularca, Fugleria, Karasuarca, Kikaiarca, Litharcinae, Noetiinae, Pectunculinae, Quadrilatera, Scapharca

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Ecology: facultatively mobile epifaunal suspension feeder