Erycina carolinensis (FOSSIL) Dall 1900 †
Borniola carriei (É. Lamy, 1911)
Erycina catalaunensis (FOSSIL) A.E.M. Cossmann, 1883 †
Ceratobornia cema W. Narchi, 1966
Orobitella chacei (W.H. Dall, 1916)
Ceratobornia chiclaya (A.A. Olsson, 1961)
Rochefortia coani P.H. Valentich-Scott,1998
Aligena cokeri W.H. Dall, 1909
Lasaea colmani D. Ó Foighil& C. Thiriot-Quiévreux, 1999
Amerycina colpoica (W.H. Dall, 1913)
Rochefortia compacta (A.A. Gould, 1861)
Neaeromya compressa (W.H. Dall, 1899)
Squillaconcha compressa (W.H. Dall, 1899)
Lepton concentricum (A.A. Gould, 1861)
Lasaea consanguinea (E.A. Smith, 1879)
Cymatioa cooki (FOSSIL) (Willet 1937) †
Aligena crassa (FOSSIL) (Kautsky 1940) †
Arthritica crassiformis A.W.B. Powell, 1933
Arthritica crassitesta (FOSSIL) C.R. Laws, 1950 †
Amerycina cultrata A.M. Keen, 1971
Pythinella cuneata (A.E. Verrill & K.J. Bush,1898)
Semeloidea curryi (FOSSIL) Jeffery & Tracey 1997 †
Erycina curta (FOSSIL) A. von Koenen †
Borniola decapitata (A.W.B. Powell, 1939)
Erycina defrancei (FOSSIL) Recluz, 1844 †
Scacchia degrangei (FOSSIL) (A.E.M. Cossmann& M.A. Peyrot, 1911 †)
Erycina depressa (FOSSIL) P. Nyst, 1836 †
Pythina deshayesiana (R.B. Hinds, 1845)
Myllita deshayesii D'Orbigny & C.A. Récluz,1850
Aligena diegoana L.G. Hertlein & J. Grant,1972
Waldo digitatus D.G. Zelaya & C.F. Ituarte,2013
Lasaea dingleyi (FOSSIL) C.R. Laws, 1950 †
Arthritica dispar (FOSSIL) C.R. Laws, 1940 †
Lozouetia distorta R. von Cosel, 1995
Mancikellia divae (J.J. Van Aartsen& F. Carrozza, 1997)