Inoceramus saskatchewanensis (FOSSIL) Warren, 1934 †
Inoceramus schmidti (FOSSIL) Michael, 1899 †
Inoceramus scotti (FOSSIL) Walaszczyk, Cobban& Harries, 2001 †
Inoceramus selwyni (FOSSIL) McLearn, 1926 †
Inoceramus sokolovi (FOSSIL) Walaszczyk & Cobban,2006 †
Mytiloides stantoni (FOSSIL) Sokolow, 1914 †
Mytiloides stantoni yeharai (FOSSIL) T. Nagao & E. Matsumoto,1939 †
Inoceramus steinmanni (FOSSIL) R.O. Wilckens, 1907 †
Inoceramus stephensoni (FOSSIL) Walaszczyk, Cobban& Harries, 2001 †
Anopaea stoliczkai (FOSSIL) (Holdhaus 1913) †
Mytiloides striatoconcentricus (FOSSIL) Gümbel, 1968 †
Inoceramus subdepressus (FOSSIL) F.B. Meek & Hayden,1861 †
Mytiloides submytiloides (FOSSIL) (Seitz, 1934 †)
Magadiceramus subquadratus (FOSSIL) (F. Schlüter, 1887 †)
Sphaeroceramus subsarumensis (FOSSIL) (Renngarten 1926) †
Parainoceramya substriata (FOSSIL) (Münster, 1835 †)
Actinoceramus subsulcatus (FOSSIL) Wiltshire, 1869 †
Parainoceramya subtilis (FOSSIL) (Lahusen, 1883 †)
Inoceramus subundatus (FOSSIL) F.B. Meek, 1861 †
Actinoceramus sulcatus (FOSSIL) (Parkinson, 1819 †)
Cataceramus tenuilineatus (FOSSIL) (J.W. Hall & F.B. Meek,1855 †)
Inoceramus tenuirostratus (FOSSIL) F.B. Meek & Hayden,1862 †
Inoceramus transversus (FOSSIL) (Seeley) †
Trochoceramus tricostatus (FOSSIL) Alencáster & Omaña,2006 †
Arctomytiloides turomtchensis (FOSSIL) Polubotko, 1992 †
Endocostea typica (FOSSIL) Whitfield 1877 †
Inoceramus udylensis (FOSSIL) Zonova, 1989 †
Inoceramus undabundus (FOSSIL) F.B. Meek & Hayden,1862 †
Cladoceramus undulatoplicatus (FOSSIL) (F.A. Roemer, 1852 †)
Inoceramus ussuriensis (FOSSIL) Voronetz, 1937 †
Parainoceramya ventricosa (FOSSIL) (Sowerby, 1823 †)
Cremnoceramus waltersdorfensis (FOSSIL) (Andert 1911) †
Parainoceramya westermanni (FOSSIL) (Damborenea, 1990 †)
Inoceramus whitfieldi (FOSSIL) Walaszczyk, Cobban& Harries, 2001 †
Inoceramus wyomingensis (FOSSIL) Walaszczyk, Cobban& Harries, 2001 †