Potamolithus hidalgoi H.A. Pilsbry, 1896 Uruguay
Fluminicola hindsi (W. Baird, 1863) USA, Idaho
Somatogyrus hinkleyi B. Walker, 1904 Alabama
Lithoglyphus histrio (FOSSIL) M. von Neumayr in M. von Neumayr& C.R.C. Paul, 1875 †
Somatogyrus humerosus B. Walker, 1906 Alabama
Lithoglyphopsis hyalina Y.Y. Liu, Y.X. Wang& Y.H. Duan, 1994
Potamolithus iheringi H.A. Pilsbry, 1896 Uruguay
Lithoglyphus indifferens (FOSSIL) Š. Brusina, 1902 †
Fluminicola insolitus R. Hershler, 1999 Oregon, Harney County
Somatogyrus integer (T. Say, 1829)
Potamolithus intracallosus H.A. Pilsbry, 1911 Brazil, Sao Paulo
Potamolithus jacuhyensis H.A. Pilsbry, 1899 Brazil, Rio Grande do Sul4 mm
Lithoglyphus jahni (FOSSIL) Urbanski, 1975 †
Potamolithus karsticus L.R.L. Simone& N. Moracchioli, 1994 Brazil, Sao Paulo
Benedictia kotyensis P.V. Matiokin, Dzuban& T.Y. Sitnikova, 1988 Lake Baikal, Russia
Potamolithus lapidum (A.V.M.D. D'Orbigny,1835) Uruguay6 mm
Benedictia limnaeoides (L. von Schrenck, 1867) Lake Baikal, Russia
Kobeltocochlea lindholmiana T.Y. Sitnikova, 1987 Russia, Buryatiya
Fluminicola lunsfordensis R. Hershler, H.P. Liu, T.J. Frest& E.J. Johannes, 2007 USA, California4 mm
Lithoglyphus maeoticus (FOSSIL) Papaianopol, 2006 †
Lithoglyphus marci (FOSSIL) D. Esu & O. Girotti,2015 † Greece
Kobeltocochlea martensiana (W. Dybowski, 1875) Russia, Buryatiya
Benedictia maxima (W. Dybowski, 1875)
Fluminicola merriami (H.A. Pilsbry& C.E. Beecher, 1892) Nevada
Pseudobenedictia michnoi (W.A. Lindholm, 1929) Lake Baikal, Russia
Potamolithus microthauma H.A. Pilsbry, 1896 Uruguay
Fluminicola minutissimus H.A. Pilsbry, 1907 USA, Idaho
Potamolithus misionum (J.J. Parodíz, 1966)
Lithoglyphopsis modesta (P.V. Gredler, 1886)
Fluminicola modoci H.B. Hannibal, 1912 California, Modoc County
Lithococcus multicarinatus (K. Miller, 1878)
Fluminicola multifarius R. Hershler, H.P. Liu, T.J. Frest& E.J. Johannes, 2007 Oregon
Benedictia nana J. Beckmann& Y.I. Starobogatov, 1975 Alabama
Lithoglyphus nanus (FOSSIL) Roshka, 1973 †
Lithoglyphus naticoides (C. Pfeiffer, 1828) Austria8,5 mm