Family Carditidae Fleming 1820 (clam)
Parent taxon: Crassatelloidea according to J. G. Carter et al. 2011
Sister taxa: Aenigmoconchidae, Astartidae, Cardiniidae, Condylocardiidae, Crassatellidae, Hippopodiidae, Myophoricardiidae, Terraia
Subtaxa: Ainicardita, Cardiocardita, Cardita, Carditamera, Carditamerinae, Carditesinae, Carditinae, Crassicardia, Glans, Gujocardita, Ludbrookia, Lunulicardita, Maghrebella, Miodomeridinae, Miodontiscus, Pleuromeris, Thecaliinae, Venericardiinae, Venericardinae, Vetericardiella, Xenocardita
Ecology: facultatively mobile infaunal suspension feeder