Heleobia guaranitica (A. Doering, 1884)
Aroapyrgus guatemalensis (P.H. Fischer& J.C.H. Crosse, 1891)
Cochliopina guatemalensis (P.M.A. Morelet, 1851)
Dyris guerreroi (FOSSIL) Wesselingh, 2006 †
Cochliopina hauxwelli (FOSSIL) T.R. Nuttall, 1990 †
Dyris hauxwelli (FOSSIL) T.R. Nuttall, 1990 †
Heleobia hernandezae (W.K. Weyrauch, 1963)
Tryonia herschleri Czaja & Estrada-Rodriguez,2015
Dyris hershleri (FOSSIL) Wesselingh, 2006 †
Tryonia hertleini (M. Drake, 1956)
Aroapyrgus hinkleyi (B. Walker, 1919)
Cochliopina hinkleyi (H.A. Pilsbry, 1920)
Clarenciella hippopedion (FOSSIL) A.G. Beu & Marshall,2014 †
Dyris hoornae (FOSSIL) Wesselingh, 2006 †
Coahuilix hubbsi D.W. Taylor, 1966
Dyris huberti (FOSSIL) Wesselingh, 2006 †
Pyrgophorus hydrobioides (C.M.F. Ancey, 1888)
Aphaostracon hypohyalinus F.G. Thompson, 1968
Tryonia imitator (H.A. Pilsbry, 1899)
Littoridina inconspicua F. Haas, 1938
Tryonia infernalis R. Hershler, H.X. Liu& C.T. Simpson, 2015
Cochliopina infundibulum (E.C. Von Martens, 1899)
Onobops iquitensis (FOSSIL) Wesselingh, 2006 †
Heleobia isabelleana D'Orbigny
Cochliopina izabal (H.A. Pilsbry, 1920)
Onobops jacksoni (P. Bartsch, 1953)
Cochliopa joseana J.P.E. Morrison, 1946
Tryonia julimesensis R. Hershler, H.P. Liu& J.J. Landye, 2011
Cochliopina juradoi J.P.E. Morrison, 1946
Sioliella kadolskyi (FOSSIL) Wesselingh, 2006 †
Zetekina kompi (J.P.E. Morrison, 1946)
Tryonia kosteri D.W. Taylor, 1987
Heleobia kuesteri (P. von Ströbel, 1874)
Littoridina lacustris (H. Hass, 1955)
Dyris lanceolatus (FOSSIL) Wesselingh, 2006 †