Cardium abreki Uspenskaja, 1931 † accepted as Avicardium abreki (Uspenskaja, 1931) † (original description)
Cardium arguni Uspenskaja, 1931 † accepted as Avicardium kamishense (Uspenskaja, 1931) † (original description)
Cardium caracutum Uspenskaja, 1931 † accepted as Miricardium caracutum (Uspenskaja, 1931) † (original description)
Cardium dahestanicum Uspenskaja, 1931 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (original description)
Cardium dahestanicum var. parvulus Uspenskaja, 1931 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (original description)
Cardium elegantulum Uspenskaja, 1931 † accepted as Aktschagylocardium uspenskaiae (V. P. Kolesnikov, 1950) † (original description)
Cardium fusiformis Uspenskaja, 1931 † accepted as Aktschagylocardium trinacria (Andrusov, 1902) † (original description)
Cardium hoshmensilicum Uspenskaja, 1931 † accepted as Avicardium nikitini (Andrusov, 1902) † (original description)
Cardium hoshmensilicum var. feminescens Uspenskaja, 1931 † accepted as Avicardium feminescens (Uspenskaja, 1931) † (original description)
Cardium irrisor Uspenskaja, 1931 † accepted as Avicardium mainacaricum (Andrusov, 1905) † (original description)
Cardium jumudicum Uspenskaja, 1931 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (original description)
Cardium kamishense Uspenskaja, 1931 † accepted as Avicardium kamishense (Uspenskaja, 1931) † (original description)
Cardium kumli Uspenskaja, 1931 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (original description)
Cardium mainacaricum Andrusov, 1905 † accepted as Avicardium mainacaricum (Andrusov, 1905) † (basis of record)
Cardium nikitini var. nefarius Uspenskaja, 1931 † accepted as Avicardium nikitini (Andrusov, 1902) † (original description)
Cardium orbus Uspenskaja, 1931 † accepted as Avicardium nikitini (Andrusov, 1902) † (original description)
Cardium radiiferum var. aligera Uspenskaja, 1931 † accepted as Aktschagylocardium aligerum (Uspenskaja, 1931) † (original description)
Cardium rucali Uspenskaja, 1931 † accepted as Andrusovicardium rucali (Uspenskaja, 1931) † (original description)
Cardium solutum Uspenskaja, 1931 † accepted as Avicardium solutum (Uspenskaja, 1931) † (original description)
Cardium tchandyricum Uspenskaja, 1931 † accepted as Aktschagylocardium tchandyricum (Uspenskaja, 1931) † (original description)