Superfamily Cardioidea Lamarck 1809 (clam)
PaleoDB taxon number: 89018
Alternative spelling: Cardiacea
Parent taxon: Cardioidei according to J. G. Carter et al. 2011
Sister taxon: Tellinoidea
Subtaxa: Cardiidae, Lahillidae, Lymnocardiidae, Pterocardiidae
Ecology: facultatively mobile infaunal suspension feeder