Plesiocystiscus gutta (S. Gofas & F. Fernandes,1988)
Cystiscus halli (G.B. Pritchard& J.H. Gatliff, 1899)
Gibberula hardingae (R.K. Dell, 1956)
Cystiscus havannensis A. Wakefield & T. McCleery,2006
Gibberula hendricksae J.A. Ortea, 2015
Persicula hennequini F. Boyer, J. Neefs& A. Wakefield, 1999
Gibberula hernandezi (J.A. Contreras& F.F. Talavera, 1988)
Persicula hilli (M. Smith, 1950)
Gibberula hirami J. Espinosa & J.A. Ortea,2007
Persicula hodsoni (FOSSIL) N.E. Weisbord, 1962 †
Canalispira hoffi (R.G. Moolenbeek& M.J. Faber, 1991)
Crithe huna (E.A. Kay, 1979)
Ticocystiscus iberia J. Espinosa & J.A. Ortea,2002
Persicula imbricata (R.B. Hinds, 1844)
Pachybathron incarnatus (L.C. Kiener, 1840)
Cystiscus incertus (W.L. May, 1920)
Cystiscus indiscretus (W.L. May, 1911)
Canalispira infirma (C.F. Laseron, 1957)
Gibberula infundibulum L. Bozzetti, 1994
Gibberula inopinata (K.H. Barnard, 1962)
Gibberula insularum B. Roth & E.V. Coan, 1971
Persicula interruptolineata (J.K. Megerle Von Mühlfeld,1816)
Cystiscus iota (C. Hedley, 1899)
Plesiocystiscus irinae L. Bozzetti, P.M.S. Costa& T. Cossignani, 2010
Gibberula isinbayevae J.A. Ortea, 2015
Gibberula jansseni (J.J. Van Aartsen, H.P.M.G. Menkhorst& E. Gittenberger, 1984)
Plesiocystiscus jansseni (D. De Jong & H.E. Coomans,1988)
Gibberula japonica S. Nomura & K.M. Hatai,1940
Plesiocystiscus jardonae Ortea & Espinosa, 2016
Gibberula jayi F. Boyer, 2014
Gibberula jeanae M. Lussi & G. Smith, 1998
Gibberula jenphillipsi T. McCleery, 2008
Plesiocystiscus jewetti (P.P. Carpenter, 1857)
Gibberula jorgefoyoi J. Espinosa & J.A. Ortea,2007
Plesiocystiscus josephinae (F. Fernandes & E. Rolán,1992)