Superfamily Cardioidea Lamarck 1809
Alternative spelling: Cardiacea
Parent taxon: Cardioidei according to J. G. Carter et al. 2011
See also Bieler and Mikkelsen 2006, Bouchet et al. 2010, Coan et al. 2000, Dockery 1982, Glenn 1904, Gliozzi and Malatesta 1983, Lehmann et al. 2022, Moneer et al. 2024, Nevesskaja 2009, Newell 1965, Rosenberg et al. 2006, Squires 1984, Squires 1987, Stilwell et al. 2004, Vokes 1980, Ward 1992 and Ward and Blackwelder 1987
Sister taxon: Tellinoidea
Subtaxa: Cardiidae Lahillidae Pterocardiidae