Plectodon scaber P.P. Carpenter, 1865 Mexico, Sonora
Cuspidaria scabrata (FOSSIL) A.A. Olsson& A. Harbison, 1953 † Florida, Miami County11 mm
Cardiomya semicostata (B. Prashad, 1932)
Pseudoneaera semipellucida (J.T. Kuroda, 1948) China, Zhejiang18 mm
Cuspidaria semirostrata É.A.A. Locard, 1898 Morocco, cap Cantin
Rhinoclama semistrigosa (J.G. Jeffreys, 1882) Portugal
Cardiomya sibogai (B. Prashad, 1932)
Luzonia simplex (J.A. Allen& R.E. Morgan, 1981)
Rhinoclama simulans (R. Tate, 1897) Western Australia
Cardiomya singaporensis (R.B. Hinds, 1843) China
Cardiomya sinica F.S. Xu, 1980 Philippines, Siquijor5,4 mm
Octoporia sinuosa E.M. Krylova, 1994
Cuspidaria smirnovi E.N. Egorova, 1998 Antarctica
Vulcanomya smithii W.H. Dall, 1886
Cuspidaria solidula B. Prashad, 1932
Cardiomya soriensis F.E. Eames, 1951
Cuspidaria steindachneri R. Sturany, 1899 Japan, Kii27 mm
Cardiomya stenhousei (FOSSIL) (J. Marwick, 1931 †)
Cardiomya striata (J.G. Jeffreys, 1876) Ireland, Rockall trough11 mm
Cardiomya striolata (É.A.A. Locard, 1898) Alboran Sea
Cuspidaria subrostrata (FOSSIL) R. Tate, 1887 † Australia, Victoria, S. Grampians Bal
Cuspidaria subtorta (G.O. Sars, 1878) Norway, Kongsfjorden
Cuspidaria suganumai S. Nomura, 1940 Japan, Mie22,5 mm
Myonera sulcifera (J.G. Jeffreys, 1882) Portugal
Cardiomya surinamensis C.O. Van Regteren Altena,1971
Cardiomya taiwanica T.A. Okutani & T.C. Lan,1999
Cuspidaria tamandua R.S. Absalão& C.D. de Castro Oliveira, 2011
Austroneaera tangaroa (B.A. Marshall, 2002) New Zealand
Myonera tasmanica (J. Knudsen, 1970) Tasman Sea (45"47'S, 164"39'E)
Pseudoneaera tasmanica (J.E. Tenison-Woods,1878) Tasmania
Rhinoclama tasmanica (J.E. Tenison-Woods,1876)
Cuspidaria tenella E.A. Smith, 1907 Falkland Islands13 mm
Rhinoclama teres (J.G. Jeffreys, 1882) Spain, Cadiz8 mm
Cuspidaria textorama (FOSSIL) Garvie, 2013 † United States
Pseudoneaera thaumasia R. Sturany, 1901 Red Sea