Lentidium tournoueri (FOSSIL) C. Mayer, 1864 †
Lentidium trigonum (FOSSIL) (J.B.P.A. Lamarck,1805 †)
Ajanssenium donaciforme (FOSSIL) (P. Nyst, 1836 †)
Ajanssenium nitidum (FOSSIL) (Sowerby, 1822 †)
Ajanssenium turonense (FOSSIL) (A.E.M. Cossmann& M.A. Peyrot, 1914 †)