Lucina somalica (FOSSIL) Basse, 1930 †
Pleurolucina sombrerensis (W.H. Dall, 1886)
Fimbria soverbii (L.A. Reeve, 1842)
Divalucina soyoae T. Habe, 1952
Ctena speciosa (FOSSIL) (B. Rogers & B. Rogers,1837 †)
Lucina speciosa (L.A. Reeve, 1850)
Lucinoma spectabilis (M. Yokoyama, 1920)
Lucinoma spelaeum S. Palazzi & A. Villari,2001
Liralucina sperabilis (C. Hedley, 1909)
Schafhaeutlia sphaerioides (FOSSIL) (Boettger 1880) †
Anodontia spherica (FOSSIL) W.H. Dall & W.H. Ochsner,1928 †
Anodontia sphericula (FOSSIL) H. Basedow, 1902 †
Myrtea spinifera (G. Montagu, 1803)
Myrtina spinosa Glover & J.D. Taylor,2016
Codakia spinulosa (FOSSIL) W.H. Dall, 1903 †
Gonimyrtea spinulosa (FOSSIL) (F.E. Edwards, 1866 †)
Here spisula (FOSSIL) (G.P. Deshayes, 1857 †)
Ctena squamosa (FOSSIL) (J.B.P.A. Lamarck,1806 †)
Callucina squamula (FOSSIL) (G.P. Deshayes, 1825 †)
Notomyrtea staminifera (FOSSIL) J. Marwick, 1929 †
Chavania striata (S. Tokunaga, 1906)
Megaxinus striatula (FOSSIL) (P. Nyst, 1836 †)
Lucinoma subcalcareous (FOSSIL) C.H. Oostingh, 1941 †
Pseudomiltha subcircularis (FOSSIL) (G.P. Deshayes, 1857 †)
Lucina subcurta (FOSSIL) †
Bourdotia subdivaricata (FOSSIL) (Orbigny, 1850 †)
Loripinus subfragilis (P. Dautzenberg, 1910)
Mesomiltha subgeometrica (FOSSIL) Fischer, 1969 †
Megaxinus subgibbosulus (FOSSIL) (A.V.M.D. D'Orbigny †)
Gonimyrtea submichelottii (FOSSIL) (F. Sacco, 1901 †)
Lucina subobliqua (FOSSIL) T. Say, 1824 †
Fimbria subpectunculus (FOSSIL) A.V.M.D. D'Orbigny,1850 †
Phacoides subrhomboidalis (FOSSIL) R.B. Newton, 1922 †
Divalinga subrigaultiana (FOSSIL) (Meyer, 1886 †)
Bythosphaera subrostrata (R. von Cosel, 1989)