Plethocardia avis (FOSSIL) Krasilova, 1979 †
Plethocardia obtusa (FOSSIL) (K.E.I. von Eichwald,1860 †)
Plethocardia rotunda (FOSSIL) Harper †
Plethocardia suberecta (FOSSIL) Ulrich, 1894 †
Plethocardia umbonata (FOSSIL) Ulrich, 1894 †