Cerion ritchiei gigantea (Maynard, 1894)
Cerion ritchiei grayi (Maynard, 1894)
Cerion ritchiei vannostrandi Pilsbry & Vanatta, 1896
Cerion robusta Maynard, 1894
Cerion rocai Clench and Aguayo, 1953
Cerion rosacea (Maynard & N. A. Clapp, 1921)
Cerion rubicundum (Menke, 1829)
Cerion rubicundum viola (Maynard, 1889)
Cerion rufina (Maynard, 1913)
Cerion saccharimeta Pilsbry & Vanatta, 1899
Cerion saetiae (Sanchez Roig, 1948)
Cerion sagraianum (L. Pfeiffer, 1847)
Cerion salinaria (Maynard, 1913)
Cerion salvatori Pilsbry, 1927
Cerion salvatori striatissimum Aguayo & Jaume, 1953
Cerion sanctamariae Aguayo & Jaume, 1951
Cerion santesoni (Maynard, 1920)
Cerion sanzi Pilsbry & Vanatta, 1898
Cerion scalarina Pfeiffer & Gundlach, 1860
Cerion scopulorum Aguayo & Jaume, 1951
Cerion scriptum Maynard, 1896
Cerion semipolita (Maynard & Clapp, 1920)
Cerion Set - 14 shells
Cerion sisal (Clench & Aguayo, 1954)
Cerion sp. 111754
Cerion sp. 111950
Cerion sp. 128198
Cerion sp. 128200
Cerion sp. 139518
Cerion sp. 140989
Cerion sp. 141051
Cerion sp. 141055
Cerion sp. 141056
Cerion sp. 141062
Cerion sp. 141118
Cerion sp. 141132
Cerion sp. 141137
Cerion sp. 141141
Cerion sp. 141156
Cerion sp. 192095
Cerion sp. 192100
Cerion sp. 192103
Cerion sp. 260848
Cerion sp. 261266
Cerion sp. 261272
Cerion sp. 328571
Cerion sp. 5087
Cerion stevensoni (Dall, 1900)
Cerion striatellum (Guerin-Méneville, 1829)
Cerion striatellum minor (Küster, 1847 )
Cerion sublaevigatum Pilsbry & Vanatta, 1895
Cerion submarmoratum Pilsbry and Vanatta, 1897
Cerion sueyrasi Pilsbry and Vanatta, 1899
Cerion sylvatica (Maynard & Clapp, 1921)
Cerion tabida (Maynard, 1913)
Cerion tanamensis Sanchz Roig, 1951
Cerion tantillum Aguayo & Jaume, 1951
Cerion tenuicallum Aguayo and Sánchez Roig, 1953
Cerion thorndikei (Maynard, 1894)
Cerion torrei Blanes in Pilsbry & Vanatta, 1898
Cerion torrei Blanes in Pilsbry & Vanatta, 1898 x Cerion moralesi Clench and Aguayo, 1951
Cerion torrei ornatum Pilsbry & Vanatta, 1899
Cerion transitoria (Maynard, 1913)
Cerion tridentatum costellata Pilsbry, 1946
Cerion tridentatum costellatum Pilsbry, 1946
Cerion tridentatum Pilsbry and Vanatta, 1895
Cerion uniformis Maynard, 1913
Cerion uva (L., 1758)
Cerion uva arubanum H. B. Baker, 1924
Cerion uva bonairensis H. B. Baker, 1924
Cerion uva diablensis H. B. Baker, 1924
Cerion uva hatoensis H. B. Baker, 1924
Cerion uva knipensis H. B. Baker, 1924
Cerion vaccinum Pilsbry, 1902
Cerion valdesi A. de la Torre, 1954
Cerion vanattai (Clench & Aguayo, 1951)
Cerion vermiculum Dall, 1905
Cerion victor Torre, 1929
Cerion vulneratum (Küster, 1855)
Cerion vulneratum lepidum Clench & Aguayo, 1951
Cerion vulneratum vallei Aguayo & Jaume, 1951
Cerion watlingese Dall, 1907
Cerion yumaensis Pilsbry & Vanatta, 1895
Mexistrophia reticulata Thompson, 2001
Strophiops faxoni Maynard, 1896
