Semicassis subsulcosa (FOSSIL) (R. Hoernes & M. Auinger,1884 †)
Cassis subtuberosa (FOSSIL) G.D. Hanna, 1926 †
Antephalium sufflatus (FOSSIL) (J.E. Tenison-Woods,1877 †)
Oocorys sulcata P. Fischer, 1884
Oocorys sulcata indica E.A. Smith, 1906
Galeodea sulcata (FOSSIL) (F.W. Hutton, 1873 †)
Cassis sulcifera (FOSSIL) Sowerby, 1850 †
Cypraecassis tenuis (Wood, 1828)
Cassis tessellata (J.F. Gmelin, 1791)
Cypraecassis testiculus (C. Linnaeus, 1758)
Cypraecassis testiculus senegalica (J.F. Gmelin, 1791)
Galeodea textiliosa (FOSSIL) G.P. Deshayes, 1835 †
Cassis textilis (FOSSIL) (R. Tate, 1822 †)
Semicassis thachi K. Kreipl, A. Alf& T. Eggeling, 2006
Cassis thesei (FOSSIL) (A. Brongniart, 1823 †)
Semicassis thomsoni (J.W. Brazier, 1875)
Cassis togata (FOSSIL) White, 1887 †
Echinophoria toreuma (FOSSIL) (Powell, 1928 †)
Antephalium transenna (FOSSIL) (R. Tate, 1889 †)
Galeodea tricarinata (FOSSIL) (T.A. Conrad, 1848 †)
Galeodea triganceae R.K. Dell, 1953
Cassis tuberosa (C. Linnaeus, 1758)
Casmaria turgida (L.A. Reeve, 1848)
Galeodea turneri (FOSSIL) Gardner, 1939 †
Semicassis umbilicata (W.H. Pease, 1861)
Casmaria unicolor (P.M. Pallary, 1926)
Galeodea unicoronata (FOSSIL) (A.E.M. Cossmann, 1923 †)
Galeodea unicoronata raricrenata (A.E.M. Cossmann, 1923)
Oocorys verrillii (W.H. Dall, 1889)
Morionella verrucosa (FOSSIL) (Perry, 1810 †)
Cassis vialensis (FOSSIL) A. Fuchs, 1870 †
Semicassis westralis K. Kreipl, 1997
Semicassis whitworthi (R.T. Abbott, 1968)
Cypraecassis wilmae K. Kreipl & A. Alf, 2000
Galeodea wilsoni (FOSSIL) (R. Tate, 1889 †)