Semicassis neumayri (FOSSIL) (R. Hoernes, 1875 †)
Mambrinia nodosa (FOSSIL) (D.C. Solanderin G. Brander, 1766 †)
Mambrinia nodosa carinata (FOSSIL) (J.G. Bruguière, 1792 †)
Mambrinia nodosa retusa (FOSSIL) (G.P. Deshayes, 1865 †)
Cassis norai A. Prati Musetti, 1995
Cassis nummulitiphila (FOSSIL) F. Sacco, 1890 †
Doliocassis nupera (FOSSIL) (T.A. Conrad, 1833 †)
Echinophoria oconnori (FOSSIL) (R.K. Dell, 1952 †)
Semicassis oligocalantica (FOSSIL) E.W. Vredenburg, 1925 †
Echinophoria oneroaensis (FOSSIL) (Powell, 1938 †)
Doliocassis onishpetensis (FOSSIL) Y. Otuka, 1937 †
Semicassis ormarensis (FOSSIL) E.W. Vredenburg, 1925 †
Sconsia ottnangensis (FOSSIL) (F. Sacco, 1890 †)
Semicassis ovoidea (FOSSIL) Abbass, 1967 †
Semicassis ovulum (FOSSIL) A.E. Ortmann, 1900 †
Phalium paraensis (FOSSIL) C.J. Maury, 1934 †
Sconsia paralaevigata (FOSSIL) J. Gardner, 1937 †
Cassis patamakanthini M. Parth, 2000
Semicassis paucirugis (K.T. Menke, 1843)
Casmaria perryi (T. Iredale, 1912)
Galeodea petersoni (FOSSIL) T.A. Conrad, 1854 †
Liracassis petrosa (FOSSIL) T.A. Conrad, 1865 †
Echinophoria pilsbryi W.P. Woodring & A.A. Olsson,1957
Galeodea planotecta (FOSSIL) Meyer & T.H. Aldrich,1886 †
Galeodea plauta A.G. Beu, 2008
Echinophoria pollens (FOSSIL) Finlay, 1926 †
Casmaria ponderosa (J.F. Gmelin, 1791)
Casmaria ponderosa bicolor P. Dautzenberg, 1926
Casmaria ponderosa nodulosa (J.F. Gmelin, 1791)
Cassis postmamillaris (FOSSIL) F. Sacco, 1890 †
Sconsia praelaevigata (FOSSIL) Gardner, 1947 †
Sconsia prelintea (FOSSIL) McNeil, 1984 †
Sconsia prolongata (FOSSIL) E.J. Petuch, 1994 †
Phalium pseudobandatum S.K. Tan, H.E. Ng& L.H.S. Nguang, 2013
Cypraecassis pseudocrumena (FOSSIL) (A.V.M.D. D'Orbigny,1852 †)