Partulina rufa (W. Newcomb, 1853)
Pitys scalaris C.M. Cooke & Y. Kondo,1960
Elasmias schola T. Iredale, 1944
Partulina semicarinata W. Newcomb, 1854
Tornatellides serrarius H.A. Pilsbry & C.M. Cooke,1915
Auriculella serrula C.M. Cooke, 1915
Tornatellaria sharpi H.A. Pilsbry & C.M. Cooke,1916
Mitiperua simplex C.M. Cooke & Y. Kondo,1960
Mitiperua simplex convexior C.M. Cooke & Y. Kondo,1960
Mitiperua simplex subcostata C.M. Cooke & Y. Kondo,1960
Elasmias simplicimum C.M. Cooke & Y. Kondo,1960
Philopoa singularis C.M. Cooke & Y. Kondo,1960
Tornatellaria smithi C.M. Cooke & H.A. Pilsbry,1916
Achatinella solitaria W. Newcomb, 1854
Maitua solitaria C.M. Cooke & Y. Kondo,1960
Lamellidea solomonensis R.K. Dell, 1955
Achatinella sowerbyana L. Pfeiffer, 1855
Achatinella sowerbyana dextroversa H.A. Pilsbry & C.M. Cooke,1914
Achatinella sowerbyana laiensis H.A. Pilsbry & C.M. Cooke,1914
Achatinella spaldingi H.A. Pilsbry & C.M. Cooke,1914
Tornatellides spaldingi C.M. Cooke & H.A. Pilsbry,1915
Partulina splendida (W. Newcomb, 1853)
Fernandezia splendida (H.E. Anton, 1839)
Achatinella stewartii (J. Green, 1827)
Achatinella stewartii producta L.A. Reeve, 1850
Tornatellides stokesi H.A. Pilsbry & C.M. Cooke,1915
Auriculella straminea C.M. Cooke, 1915
Taireva striatula C.M. Cooke & Y. Kondo,1960
Achatinella strigosa (J.F. Gmelin, 1791)
Tornatellides subangulatus (C.M.F. Ancey, 1903)
Lamellidea subcylindrica (J.F. Quadras& O.F. von Möllendorff, 1894)
Tornatellides subperforatus (H.H. Suter, 1909)
Partulina subpolita H.A. Pilsbry & C.M. Cooke,1912
Strobilus subtilis C.M. Cooke & Y. Kondo,1960
Strobilus subtilis similaris C.M. Cooke & Y. Kondo,1960