Austropyrgus grampianensis (C.J. Gabriel, 1939)
Hydrobia grandis (FOSSIL) Cobalcescu, 1883 †
Pseudamnicola granjaensis P. Glöer & M.L. Zettler,2007
Pseudamnicola granjanis P. Glöer & M.L. Zettler,2007
Iglica gratulabunda (A.J. Wagner, 1910)
Spilochlamys gravis F.G. Thompson, 1968
Hydrobia gregaria (FOSSIL) (Schlotheim, 1820 †)
Prososthenia gregaria (FOSSIL) (A. Fuchs, 1877 †)
Colligyrus greggi (H.A. Pilsbry, 1935)
Fluvidona griffithsi W.B. Miller, W.F. Ponder& K.B. Clark, 1999
Euxinipyrgula grigorievi (T.L. Alexenko& Y.I. Starobogatov, 1987)
Pyrgula grimmi (S. Clessin& W. Dybowski in W. Dybowski, 1888)
Caspiohydrobia grimmi (S. Clessin in W. Dybowski,1888)
Ecrobia grimmi (S. Clessin & W. Dybowski,1888)
Pyrgohydrobia grochmalickii (W. Polinski, 1929)
Odontohydrobia groisenbachensis (FOSSIL) M. Harzhauser & al.,2012 †
Plesiella guipuzcoa H.D. Boeters, 2003
Pseudamnicola gullei P. Glöer, M.Z. Yildirim& Ü. Kebapçi, 2015
Austropyrgus gunnii (G.R. von Frauenfeld,1863)
Hydrobia guyenoti E.E. Binder, 1955
Daphniola hadei (E. Gittenberger, 1982)
Vinodolia hadouphylax (H. Schütt, 1959)
Lyhnidia hadzii S. Hadžišce, 1959
Saxurinator hadzii (J. Bole, 1961)
Belgrandiella haesitans (C.A. Westerlund, 1881)
Bythiospeum haessleini (R. Zwanziger, 1939)
Bythiospeum haeussleri (S. Clessin, 1890)
Alzoniella haicabia H.D. Boeters, 2000
Marstonia halcyon F.G. Thompson, 1977
Beddomeia hallae W.F. Ponder & K.B. Clark,1993
Austropyrgus halletensis A. Clark, W.B. Miller& W.F. Ponder, 2003
Prososthenia hamiltoniana (FOSSIL) (E. Forbes, 1845 †)
Pyrgulopsis hamlinensis R. Hershler, 1998
Caldicochlea harrisi (W.F. Ponder, D.J. Colgan, T. Terzis, A. Clark& W.B. Miller, 1996)
Lutetiella hartkopfi (FOSSIL) D. Kadolsky, 2015 †