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 sp. 9864 | 
Cerion stevensoni (Dall, 1900) | 
Cerion striatellum (Guerin, 1829) |
Cerion strigis Aguayo & Sanchez Roig, 1953 | 
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 S�nchez 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 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 vaccinum Pilsbry, 1902 |
Cerion valdesi A. de la Torre, 1954 | 
Cerion vanattai (Clench & Aguayo, 1951) | 
Cerion vannostrandi Pilsbry & Vanatta, 1896 |
Cerion vermiculum Dall, 1905 | 
Cerion victor Torre, 1929 | 
Cerion vulneratum (K�ster, 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 |
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