Pseudosubulina caduca (H.B. Baker, 1939) Mexico, Veracruz
Salasiella camerata H.B. Baker, 1941 Mexico, Puebla
Rectaxis canalizonalis (H.A. Pilsbry, 1930) Panama
Euglandina candida (R.J. Shuttleworth, 1852) Mexico, Veracruz
Euglandina carminensis (P.M.A. Morelet, 1852) Mexico
Peteniella catenata (L. Pfeiffer, 1856) Mexico, Chiapas
Euglandina chanchamayoensis (H.B. Preston, 1909)
Pseudosubulina chaperi (F.P. Jousseaume, 1889) Venezuela
Pseudosubulina cheatumi H.A. Pilsbry, 1950 USA, Texas
Chersomitra chiapensis H.A. Pilsbry, 1909 Mexico, Chiapas
Mayaxis chiapensis (L. Pfeiffer, 1856) Mexico, Chiapas
Streptostyla chiriquiana E.C. Von Martens, 1901 Panama
Laeviglandina chiriquiensis (S.I. Da Costa, 1900) Panama, Chiriqui
Streptostyla clavatula C.M.F. Ancey, 1903
Euglandina cognata (H. Strebel, 1875) Mexico, Oaxaca
Guillarmodia comma (F.G. Thompson, 1995) Mexico, Acapulco
Poiretia compressa (A. Mousson, 1859) Greece, Zakinthos Island24 mm
Proameria conferta (L. Pfeiffer, 1861) Mexico, Veracruz
Volutaxis confertecostatus H. Strebel, 1882 Mexico, Veracruz
Rectaxis confertestriatus (H. Strebel, 1882) Mexico, Veracruz
Euglandina constricta (F.G. Thompson, 1995) Mexico, Oaxaca
Streptostyla conulus E.C. Von Martens, 1891 Mexico, Jalisco
Proameria cordovana (L. Pfeiffer, 1856) Mexico, Veracruz
Poiretia cornea (L. Brumati, 1838) italy, Trieste34 mm
Euglandina corneola (W.G. Binney, 1857) Mexico, Tampico38 mm
Salasiella corni H.G. Richards, 1939 Nicaragua
Streptostyla costaricensis S.I. Da Costa, 1904 Costa Rica
Pseudosubulina costata (H.B. Baker, 1939) Mexico, Veracruz
Volutaxis costatostriatus (L. Pfeiffer, 1856) Mexico, Veracruz
Spiraxis costulosus C.B. Adams, 1850 Jamaica
Myxastyla coxeni (H.G. Richards, 1938) Honduras
Streptostyla crassa H. Strebel, 1877 Guatemala
Euglandina cucutensis H.A. Pilsbry, 1939 Ecuador58 mm
Euglandina cumingii (H.H. Beck, 1837) Central America
Euglandina cuneus (E.C. Von Martens, 1891) Mexico, Acapulco