Amplicolpus healyi (FOSSIL) J. Marwick, 1971 †
Turritella hearni (FOSSIL) Merriam, 1941 †
Turritella heberti (FOSSIL) d'Archiac & Haime, 1854 †
Trinema heideckeri (FOSSIL) Cook, 1997 †
Turritella herberti (FOSSIL) d'Archiac & Haime, 1853 †
Turritella hollandi (FOSSIL) A.E.M. Cossmann& G. Pissarro, 1909 †
Turritella holmesi (FOSSIL) (W.H. Dall, 1892 †)
Turritella hookeri L.A. Reeve, 1849
Turritella hopkinsi (FOSSIL) A.A. Olsson, 1928 †
Maoricolpus horni (FOSSIL) J. Marwick, 1971 †
Tropicolpus hornibrooki (FOSSIL) J. Marwick, 1971 †
Turritella hosworthi (FOSSIL) Woods,in Bosworth, 1922 †
Turritella howsei (FOSSIL) Moore †
Turritella hubbardi (FOSSIL) F. Hodson, 1926 †
Turritella humerosa (FOSSIL) T.A. Conrad, 1835 †
Incatella hupei (FOSSIL) C. Nielsen in DeVries,2007 †
Stiracolpus hurunuiensis (FOSSIL) (J. Marwick, 1957 †)
Stiracolpus huttoni (FOSSIL) (A.E.M. Cossmann, 1895 †)
Torquesia hybrida (FOSSIL) (G.P. Deshayes, 1832 †)
Ispharina hybrida (FOSSIL) M. Glibert, 1962 †
Turritella iddingsi (FOSSIL) A.A. Olsson, 1928 †
Turritella identa (FOSSIL) (T.A. Conrad, 1841 †)
Turritella ikebei (FOSSIL) (T. Kotaka, 1951 †)
Turritella illesca (FOSSIL) A.A. Olsson, 1932 †
Turritella imbricataria (FOSSIL) J.B.P.A. Lamarck, 1804 †
Colposigma imparicincta (FOSSIL) Finlay & J. Marwick,1937 †
Turritella imperialis (FOSSIL) G.D. Hanna, 1926 †
Turritella inca (FOSSIL) Grzybowski, 1899 †
Sigmesalia incertae (FOSSIL) (G.P. Deshayes, 1832 †)
Pareora incincta (FOSSIL) (J. Marwick, 1931 †)
Turritella incisa (FOSSIL) A. Brongniart, 1823 †
Turritella incisa L.A. Reeve, 1849
Turritella incisaeformis (FOSSIL) M. Csepreghy, 1956 †
Turritella incolor Smith, 1891
Turritella incrassata (FOSSIL) Sowerby, 1814 †