Class Bivalvia Linnaeus, 1758 - bivalves
Subclass Autobranchia Grobben, 1894
Superorder Heteroconchia Gray, 1854
Clade Heterodonta Neumayr, 1884
Order Carditida Dall, 1889
1 Family †Aenigmoconchidae Betekhtina, 1968
2 Family †Palaeocarditidae Chavan, 1969
3 Family Cardiniidae Zittel, 1881
4 Family †Myophoricardiidae Chavan, 1969
5 Superfamily Carditoidea Férussac, 1822
6 Superfamily Crassatelloidea Férussac, 1822