Cardium acerbum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes acerbus (V. P. Kolesnikov, 1929) † (original description)
Cardium bajarunasi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes bajarunasi (V. P. Kolesnikov, 1929) † (original description)
Cardium bajarunasi var. urupensis V. P. Kolesnikov, 1929 † accepted as Obsoletiformes bajarunasi urupensis (V. P. Kolesnikov, 1929) † (original description)
Cardium bogatchevi V. P. Kolesnikov, 1929 † accepted as Cerastoderma arcellum bogatchevi (V. P. Kolesnikov, 1929) † (original description)
Cardium danovi V. P. Kolesnikov, 1929 † accepted as Limnocardium danovi (V. P. Kolesnikov, 1929) † (original description)
Cardium desperatum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes desperatus (V. P. Kolesnikov, 1929) † (original description)
Cardium gatuevi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes gatuevi (V. P. Kolesnikov, 1929) † (original description)
Cardium gatuevi var. pseudomichailovi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes gatuevi pseudomichailovi (V. P. Kolesnikov, 1929) † (original description)
Cardium gracile var. kasinkense V. P. Kolesnikov, 1929 † accepted as Plicatiformes plicatus (Eichwald, 1830) † (original description)
Cardium incurvatum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes incurvatus (V. P. Kolesnikov, 1929) † (original description)
Cardium ingratum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes obsoletus ingratus (V. P. Kolesnikov, 1929) † (original description)
Cardium ingratum var. firma V. P. Kolesnikov, 1929 † (original description)
Cardium ingratum var. perfida V. P. Kolesnikov, 1929 † (original description)
Cardium kishinevense V. P. Kolesnikov, 1929 † accepted as Obsoletiformes kishinevensis (V. P. Kolesnikov, 1929) † (original description)
Cardium laevigatoloweni V. P. Kolesnikov, 1929 † accepted as Kubanocardium laevigatoloweni (V. P. Kolesnikov, 1929) † (original description)
Cardium nalivkini V. P. Kolesnikov, 1929 † accepted as Obsoletiformes nalivkini (V. P. Kolesnikov, 1929) † (original description)
Cardium nalivkini var. morosa V. P. Kolesnikov, 1929 † (original description)
Cardium obliquoobsoletum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes obliquoobsoletus (V. P. Kolesnikov, 1929) † (original description)
Cardium obliquoobsoletum var. armavirense V. P. Kolesnikov, 1929 † (original description)
Cardium obsoletiformis V. P. Kolesnikov, 1929 † accepted as Obsoletiformes obsoletiformis (V. P. Kolesnikov, 1929) † (original description)
Cardium papyraceum var. aviculaeformis V. P. Kolesnikov, 1929 † accepted as Aviculocardium inflatum (Sinzov, 1875) † (original description)
Cardium praefischerianum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes praefischerianus (V. P. Kolesnikov, 1929) † (original description)
Cardium pseudoobsoletum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes nefanda (V. P. Kolesnikov, 1935) † (original description)
Cardium quadripartitum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes quadripartitus (V. P. Kolesnikov, 1929) † (original description)
Cardium quadripartitum var. protractiforme V. P. Kolesnikov, 1929 † accepted as Kubanocardium loweni protractiforme (V. P. Kolesnikov, 1929) † (original description)
Cardium quadripartitum var. squamata V. P. Kolesnikov, 1929 † accepted as Kubanocardium loweni (Sinzov, 1875) † (original description)
Cardium sarmaticum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes sarmaticus (V. P. Kolesnikov, 1929) † (original description)
Cardium suessi var. imbecilla V. P. Kolesnikov, 1929 † accepted as Replidacna suessi (Barbot de Marny, 1869) † (original description)
Cardium uiratamense V. P. Kolesnikov, 1929 † accepted as Obsoletiforma obsoleta (Eichwald, 1830) † accepted as Obsoletiformes obsoletus (Eichwald, 1830) † (original description)
Cardium uiratamense var. inepta V. P. Kolesnikov, 1929 † (original description)
Cardium ustjurtense V. P. Kolesnikov, 1929 † accepted as Obsoletiformes obsoletus (Eichwald, 1830) † (original description)
Cardium vasoevitshi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes pseudofischerianus vasoevitshi (V. P. Kolesnikov, 1929) † (original description)
Cardium venestum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes venestus (V. P. Kolesnikov, 1929) † (original description)