Zeidora gruelli (FOSSIL) R. Janssen, 1984 †
Emarginula guernei P. Dautzenberg & H. Fischer,1896
Cornisepta guzmani J.F. Araya & D.L. Geiger,2013
Emarginula harmilensis R. Sturany, 1903
Diodora harrassowitzi (H.F.A. von Ihering,1927)
Puncturella harrisoni (R.H. Beddome, 1883)
Emarginula hataii T. Habe, 1953
Emarginula hawaiiensis W.H. Dall, 1895
Emarginula haweraensis (FOSSIL) Powell, 1931 †
Hemimarginula hemitoma L.R.L. Simone & C.M. Cunha,2014
Lucapinella henseli (E.C. Von Martens, 1900)
Montfortia hermosa (H.N. Lowe, 1935)
Manganesepta hessleri J.H. McLean & D.L. Geiger,1998
Macroschisma hiatula W.J. Swainson, 1840
Puncturella hirasei K. Otsuka, 1935
Emarginula hosoyai T. Habe, 1953
Scutus howensis T. Iredale, 1940
Fissurella humphreysi L.A. Reeve, 1850
Emarginula huzardii B.C.M. Payraudeau, 1826
Cranopsis hycavis L.R.L. Simone & C.M. Cunha,2014
Emarginula icosisculpta L.R.L. Simone & C.M. Cunha,2014
Emarginula imaizumi W.H. Dall, 1926
Hemitoma imbricata (C.B. Adams, 1852)
Emarginella imella (W.H. Dall, 1926)
Diodora immortalis (FOSSIL) C.J. Maury, 1924 †
Diodora impedimenta A.H. Cooke, 1885
Diodora inaequalis Sowerby, 1835
Diodora incerta (FOSSIL) G.P. Deshayes, 1861 †
Emarginella incisura (A. Adams, 1852)
Fissurella inconspicua (J.E. Gray, 1843)
Cranopsis indica E.A. Smith, 1899
Diodora italica (J.L.M. Defrance, 1820)
Diodora italica vasconiensis (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1916 †
Emarginula japonica G.B. II Sowerby, 1863
Diodora jaumei C.G. Aguayo & H.A. Rehder,1936