Potamolithus hidalgoi H.A. Pilsbry, 1896
Fluminicola hindsi (W. Baird, 1863)
Somatogyrus hinkleyi B. Walker, 1904
Lithoglyphus histrio (FOSSIL) M. von Neumayr in M. von Neumayr& C.R.C. Paul, 1875 †
Somatogyrus humerosus B. Walker, 1906
Lithoglyphopsis hyalina Y.Y. Liu, Y.X. Wang& Y.H. Duan, 1994
Potamolithus iheringi H.A. Pilsbry, 1896
Lithoglyphus indifferens (FOSSIL) Š. Brusina, 1902 †
Fluminicola insolitus R. Hershler, 1999
Somatogyrus integer (T. Say, 1829)
Potamolithus intracallosus H.A. Pilsbry, 1911
Potamolithus jacuhyensis H.A. Pilsbry, 1899
Lithoglyphus jahni (FOSSIL) Urbanski, 1975 †
Potamolithus karsticus L.R.L. Simone& N. Moracchioli, 1994
Benedictia kotyensis P.V. Matiokin, Dzuban& T.Y. Sitnikova, 1988
Potamolithus lapidum (A.V.M.D. D'Orbigny,1835)
Benedictia limnaeoides (L. von Schrenck, 1867)
Kobeltocochlea lindholmiana T.Y. Sitnikova, 1987
Fluminicola lunsfordensis R. Hershler, H.P. Liu, T.J. Frest& E.J. Johannes, 2007
Lithoglyphus maeoticus (FOSSIL) Papaianopol, 2006 †
Lithoglyphus marci (FOSSIL) D. Esu & O. Girotti,2015 †
Kobeltocochlea martensiana (W. Dybowski, 1875)
Benedictia maxima (W. Dybowski, 1875)
Fluminicola merriami (H.A. Pilsbry& C.E. Beecher, 1892)
Pseudobenedictia michnoi (W.A. Lindholm, 1929)
Potamolithus microthauma H.A. Pilsbry, 1896
Fluminicola minutissimus H.A. Pilsbry, 1907
Potamolithus misionum (J.J. Parodíz, 1966)
Lithoglyphopsis modesta (P.V. Gredler, 1886)
Fluminicola modoci H.B. Hannibal, 1912
Lithococcus multicarinatus (K. Miller, 1878)
Fluminicola multifarius R. Hershler, H.P. Liu, T.J. Frest& E.J. Johannes, 2007
Benedictia nana J. Beckmann& Y.I. Starobogatov, 1975
Lithoglyphus nanus (FOSSIL) Roshka, 1973 †
Lithoglyphus naticoides (C. Pfeiffer, 1828)