Succinea californica P.H. Fischer& J.C.H. Crosse, 1878 Baja California, Mexico
Calcisuccinea campestris (T. Say, 1817) Florida13 mm
Calcisuccinea campestris vagans (H.A. Pilsbry, 1900) Florida
Succinea candeana I. Lea, 1841 Guadeloupe
Succinea canella A.A. Gould, 1846 Hawaii
Succinea carmenensis P.H. Fischer& J.C.H. Crosse, 1878 Mexico, Campeche
Succinea casta C.M.F. Ancey, 1899 Hawaii
Succinea catena G.C. Spence, 1925 Cameroon
Succinea cepulla A.A. Gould, 1846 Hawaii
Succinea ceylanica L. Pfeiffer
Neosuccinea chinensis L. Pfeiffer China, Fujian Province
Novisuccinea chittenangoensis (H.A. Pilsbry, 1908) New York, Chittenango
Succinea cinnamomea C.M.F. Ancey, 1889 Hawaii
Succinea clarionensis W.H. Dall, 1926 Mexico, Nayarit
Succinea cleopatrae P.M. Pallary
Succinea cochinchinensis L. Pfeiffer, 1863 South Vietnam
Succinea collina S.C.T. Hanley & W. Theobald, India, Western Ghats
Succinea colorata P.H. Fischer& J.C.H. Crosse, 1878 Mexico, Tabasco
Succinea comorensis E. Fischer-Piette& D. Vukadinovic, 1974
Quickia concisa (P.M.A. Morelet, 1888) Congo, Pointe Noire
Succinea concordialis A.A. Gould, 1848 Alabama
Succinea contenta T. Iredale, 1939 Western Australia
Succinea contorta C.B. Adams, 1845 Jamaica
Papyrotheca contraria (FOSSIL) Š. Brusina, 1893 †
Omalonyx convexus (E.C. Von Martens, 1868) Uruguay, Montevideo
Succinea cordovana P.H. Fischer& J.C.H. Crosse, 1878 Veracruz, Mexico
Succinea costaricana E.C. Von Martens Panama
Succinea costaricensis E.C. Von Martens, 1898 Costa Rica
Succinea cristfieldi B.D. Jackson, 1958
Succinea crocata A.A. Gould Hawaii
Succinea cuvieri (J.F. Gmelin, 1791) Trinidad and Tobago
Succinea cygnorum H.A. Pilsbry, 1930 Colombia
Oxyloma cyphopleura (FOSSIL) Gardner & Campbell 2002a †,
Succinea daucina L. Pfeiffer Bangladesh
Oxyloma decampi (G.W. Tryon, 1866) Illinois