Microceramus sanctispiritensis H.A. Pilsbry, 1913 Cuba12 mm
Urocoptis sanguinea L. Pfeiffer, 1845 Jamaica
Tetrentodon santacruzensis C. de la Torre& P. Bartsch, 1972 Cuba10 mm
Tetrentodon sardae C. de la Torre& P. Bartsch, 1972 Cuba
Tomelasmus sauvalleanus (J. Gundlach, 1856) Cuba19,8 mm
Urocoptis sauvelleana (J. Gundlach, 1856) Cuba28,7 mm
Liocallonia saxosa (F. Poey, 1857) Cuba
Idiostemma scabrosa (J. Gundlach in L. Pfeiffer, 1859) Cuba
Goniapex scabrum F.G. Thompson& E.L. Mihalcik, 2011 Mexico, Chihuahua
Pycnoptychia scaeva (J. Gundlach in L. Pfeiffer, 1863) Cuba22,6 mm
Tetrentodon scalarina C. de la Torre& P. Bartsch, 1972 Cuba9 mm
Coelostemma scaphopleuron F.G. Thompson, 1988 Mexico, Acapulco
Sagracoptis scholappi C. de la Torre& P. Bartsch, 1972 Cuba
Arangia scobinata (C. de la Torre& H.F. Ramsden, 1915) Cuba
Holospira scololaema F.G. Thompson& E.L. Mihalcik, 2005 Puebla, Mexico
Orienticoptis sculpturata (H.A. Pilsbry, 1929) Cuba
Tomelasmus semicoloratus (G.C. Spence, 1936) Cuba
Gongylostomella semicostata C. de la Torre& P. Bartsch, 1972 Cuba
Brachypodella seminuda C.B. Adams, 1845 Jamaica
Haplocion semisculpta (R.E.C. Stearns, 1890) Chihuahua, Mexico
Tetrentodon semistriata C.G. Aguayo, 1932 Cuba13 mm
Torrecoptis semistriata C. de la Torre& P. Bartsch, 1972 Cuba
Torrecoptis serrana C. de la Torre& P. Bartsch, 1972 Cuba
Tetrentodon sexdecimalis (Jimeno in L. Pfeiffer,1863) Cuba
Holospira sherbrookei L.H. Gilbertson, 1989
Pycnoptychia shuttleworthiana (F. Poey, 1856) Cuba24,7 mm
Macroceramus siboneyensis C. de la Torre& P. Bartsch, 1972 Cuba
Torrecoptis sifontesi C. de la Torre& P. Bartsch, 1972 Cuba
Microceramus signatus (L. Guilding, 1828) Virgin Islands15 mm
Microceramus signatus salleanus H.A. Pilsbry, 1903 Dominica
Spirostemma simile (C.B. Adams, 1849) Jamaica
Microceramus simplex (L. Pfeiffer, 1863) Jamaica
Pfeiffericoptis sinistra C. de la Torre& P. Bartsch, 1972 Cuba
Anoma sinuata (C.B. Adams, 1851) Jamaica
Brachypodella smithiuanum L. Pfeiffer, 1866 Haiti10 mm