Teshioites ryugasensis (FOSSIL) T. Matsumoto, 1955 †
Menuites sanadai (FOSSIL) E. Matsumoto, 1984 †
Nowakites savini (FOSSIL) (Grossouvre, 1894 †)
Pachydiscus sharpei (FOSSIL) (Spath) †
Chimbuites sinuosocostatus (FOSSIL) T.L. Casey & Glaessner,1958 †
Baskaniceras smithi (FOSSIL) Wright & J. Kennedy,1984 †
Neodesmoceras soma (FOSSIL) (E. Forbes, 1846 †)
Pachydiscus stallauensis (FOSSIL) (Imkeller, 1901 †)
Pachydiscus stanislausensis (FOSSIL) Anderson, 1958 †
Pachydiscus steinmanni (FOSSIL) (Paulcke, 1907 †)
Patagiosites stobaei (FOSSIL) (S. Nilsson, 1827 †)
Pachydiscus subcompressus (FOSSIL) (T. Matsumoto, 1954 †)
Pachydiscus subcompressus obsoletus (FOSSIL) (T. Matsumoto, 1954 †)
Pachydiscus subrobustus (FOSSIL) (Seunes, 1892 †)
Pachydiscus subtililobatus (FOSSIL) (Jimbo, 1894 †)
Pachydiscus sumneri (FOSSIL) (C.J. Maury, 1930 †)
Nowakites talavignesii (FOSSIL) (A.V.M.D. D'Orbigny,1850 †)
Eupachydiscus teshioensis (FOSSIL) (Jimbo, 1894 †)
Teshioites teshioensis (FOSSIL) T. Matsumoto, 1955 †
Pachydiscus ultimus (FOSSIL) Macellari, 1986 †
Lewesiceras wiedmanni (FOSSIL) Wright & J. Kennedy,1984 †
Eupachydiscus willgreeni (FOSSIL) Anderson, 1958 †
Pachydiscus williamsoni (FOSSIL) (C.J. Maury 1930 †)
Menuites wittekindi (FOSSIL) (F. Schlüter, 1876 †)
Lewesiceras woodi (FOSSIL) Wright, 1979 †
Pachydiscus woodringi (FOSSIL) (Reeside, 1947 †)
Pachydiscus yama (FOSSIL) (E. Forbes, 1846 †)
Canadoceras yokoyamai (FOSSIL) (Jimbo, 1894 †)