Climocella haurakiensis J.F. Goulstone, 1996 New Zealand, Hauraki Gulf
Trachycystis haygarthi (J.C. Melvill& J.H. Ponsonby, 1899) South Africa, KwaZulu, Natal
Allodiscus hazelwoodi B.A. Marshall& G.M. Barker, 2008 New Zealand, North Island
Chaureopa hazelwoodi F.M. Climo, 1985 New Zealand
Huonodon hectori (H.H. Suter, 1890) New Zealand. Resolution Island1,8 mm
Fectola hekyra (FOSSIL) B. Marshall& T.H. Worthy, 2017 † New Zealand
Amphidoxa helicophantoides (L. Pfeiffer, 1845) Chile, Juan Fernandez Island
Phacussa helmsi F.W. Hutton, 1883 New Zealand
Phacussa henryi H.H. Suter, 1899 New Zealand
Semperdon heptaptychius (J.F. Quadras& O.F. von Möllendorff, 1894)
Rotadiscus hermanni (L. Pfeiffer, 1866) Mexico, Veracruz
Elsothera hewittorum J. Stanisic, 1996 Australia, Brigalow Belt
Thysanota hispida E.R. Sykes, 1898 Sri Lanka
Notodiscus hookeri (L.A. Reeve, 1854) Kerguelen Islands
Flammocharopa hookeriana (W.F. Petterd, 1879) Tasmania
Pernastela howensis T. Iredale, 1944 New South Wales
Pseudocharopa howerensis T. Iredale, 1944 Australia, Lord Howe Island
Climocella hukutaia J.F. Goulstone& P.C. Mayhill, 1998 New Zealand, North Island
Ba humbugi G.A. Solem, 1983 Fiji, Vanua Levu
Cavellioropa huttoni (H.H. Suter, 1890) New Zealand
Phacussa hypopolia (L. Pfeiffer, 1853) New Zealand
Suteria ide (J.E. Gray, 1850) New Zealand7 mm
Thalassohelix igniflua (L.A. Reeve, 1852) New Zealand, Stewart Island
Dentherona illustra (C.J. Gabriel, 1947) Australia, Gippsland
Pseudocharopa imperator T. Iredale, 1944 Australia, Lord Howe Island
Gyrocochlea impressa C. Hedley, 1924 New South Wales
Discocharopa inexpectata C.J. Gabriel, 1947 Australia, Victoria
Fectola infecta (L.A. Reeve, 1852) New Zealand, North Island
Norfolcioconcha inimica T. Iredale, 1945 Norfolk Island
Rotadiscus insularis (F.M. Climo, 1978) New Zealand
Sinployea intensa (T. Iredale, 1941) New South Wales
Climocella intermedia J.F. Goulstone, 1997 New Zealand, North Island
Roblinella intermedia (N.H. Odhner, 1917) Australia
Charopa involuta N.H. Odhner, 1921 Chile, Juan Fernandez Island
Norfolcioconcha iota H.B. Preston, 1913 Norfolk Island