Leconteites modestus (FOSSIL) (Anderson, 1938 †)
Cleoniceras morgani (FOSSIL) Spath †
Cleoniceras morganiforme (FOSSIL) C.F. Parona & Bonarelli 1897 †,
Neogastroplites muelleri (FOSSIL) Reeside & Cobban, 1960 †
Pseudogastroplites nanus (FOSSIL) Jeletzky, 1980 †
Euhoplites neglectus (FOSSIL) Milbourne †
Euhoplites nitidus (FOSSIL) (Spath 1925 †)
Pseudosonneratia nolletiana (FOSSIL) (Lefort, 1894 †)
Anadesmoceras nudum (FOSSIL) R. Casey 1966 †
Hoplites obtusenodosa (FOSSIL) O. von Retowski, 1893 †
Hoplites obtusus (FOSSIL) Spath, 1925 †
Pseudosonneratia occidentalis (FOSSIL) Casey †
Euhoplites ochetonotus (FOSSIL) (Seeley 1864 †)
Euhoplites opalinum (FOSSIL) (Spath 1928 †)
Lepthoplites ornatus (FOSSIL) Spath, 1926 †
Anahoplites osmingtonensis (FOSSIL) (Owen 1971 †)
Cleoniceras overbecki (FOSSIL) Imlay, 1960 †
Callihoplites patella (FOSSIL) Spath †
Pseudopulchellia pattoni (FOSSIL) Imlay, 1961 †
Grycia perezianum (FOSSIL) (J.J.F. Whiteaves,1876 †)
Anahoplites planus (FOSSIL) Mantell, 1822 †
Otohoplites polygonalis (FOSSIL) Casey †
Anahoplites praecox (FOSSIL) (Spath 1925 †)
Freboldiceras praesingulare (FOSSIL) Birkelund & Hakansson,1983 †
Arrhaphoceras precoupei (FOSSIL) Spath †
Hoplites pretethydis (FOSSIL) Spath †
Euhoplites pricei (FOSSIL) (Spath 1925 †)
Euhoplites probinornatum (FOSSIL) Milbourne †
Euhoplites proboscideus (FOSSIL) (Sowerby 1821 †)
Callihoplites pseudoglaber (FOSSIL) Spath, 1928 †
Hemisonneratia puzosianus (FOSSIL) d'Orbigny, 1841 †
Otohoplites raulinianus (FOSSIL) (A.V.M.D. D'Orbigny,1841 †)
Euhoplites reesidei (FOSSIL) C.J. Maury, 1936 †
Freboldiceras remotum (FOSSIL) Nagy, 1970 †
Pleurohoplites renauxianus (FOSSIL) d'Orbigny, 1840 †