Clade Arcioni Gray 1854 (clam)
Parent taxon: Ostreomorphi according to J. G. Carter et al. 2011
Sister taxa: Ischyrodontidae, Matheriidae, Ostreioni
Subtaxa: Arcida Cyrtodontida
Ecology: facultatively mobile epifaunal suspension feeder
Parent taxon: Ostreomorphi according to J. G. Carter et al. 2011
Sister taxa: Ischyrodontidae, Matheriidae, Ostreioni
Subtaxa: Arcida Cyrtodontida
Ecology: facultatively mobile epifaunal suspension feeder