Leconteites modestus (FOSSIL) (Anderson, 1938 †) United States, Alaska, Valdez-Cordova
Cleoniceras morgani (FOSSIL) Spath † UK, England, Bedfordshire
Cleoniceras morganiforme (FOSSIL) C.F. Parona & Bonarelli 1897 †,
Neogastroplites muelleri (FOSSIL) Reeside & Cobban, 1960 †
Pseudogastroplites nanus (FOSSIL) Jeletzky, 1980 † Canada, Ellef Ringnes Island
Euhoplites neglectus (FOSSIL) Milbourne † England, Kent
Euhoplites nitidus (FOSSIL) (Spath 1925 †)
Pseudosonneratia nolletiana (FOSSIL) (Lefort, 1894 †) France, Nièvre
Anadesmoceras nudum (FOSSIL) R. Casey 1966 † UK, England, Bedfordshire
Hoplites obtusenodosa (FOSSIL) O. von Retowski, 1893 † Ukraine, Crimea, Feodosiis'ka
Hoplites obtusus (FOSSIL) Spath, 1925 † Canada, Quebec, Anticosti Island
Pseudosonneratia occidentalis (FOSSIL) Casey † UK, England
Euhoplites ochetonotus (FOSSIL) (Seeley 1864 †)
Euhoplites opalinum (FOSSIL) (Spath 1928 †)
Lepthoplites ornatus (FOSSIL) Spath, 1926 † UK, England, Wiltshire
Anahoplites osmingtonensis (FOSSIL) (Owen 1971 †)
Cleoniceras overbecki (FOSSIL) Imlay, 1960 † USA, Alaska, Valdez-Cordova
Callihoplites patella (FOSSIL) Spath † UK, England, Wiltshire
Pseudopulchellia pattoni (FOSSIL) Imlay, 1961 † Canada, British Columbia, Fraser-Fort George
Grycia perezianum (FOSSIL) (J.J.F. Whiteaves,1876 †) Canada, British Columbia, Fraser Valley
Anahoplites planus (FOSSIL) Mantell, 1822 † France, Rhône-Alpes, Haute-Savoie
Otohoplites polygonalis (FOSSIL) Casey † England, Kent
Anahoplites praecox (FOSSIL) (Spath 1925 †)
Freboldiceras praesingulare (FOSSIL) Birkelund & Hakansson,1983 † Russia, Kamchatka, Penzhinskiy
Arrhaphoceras precoupei (FOSSIL) Spath † UK, England, Surrey
Hoplites pretethydis (FOSSIL) Spath † UK, England, Norfolk
Euhoplites pricei (FOSSIL) (Spath 1925 †)
Euhoplites probinornatum (FOSSIL) Milbourne † England, Kent
Euhoplites proboscideus (FOSSIL) (Sowerby 1821 †)
Callihoplites pseudoglaber (FOSSIL) Spath, 1928 † UK, Cambridgeshire
Hemisonneratia puzosianus (FOSSIL) d'Orbigny, 1841 † Denmark, Hovedstaden, Bornholm
Otohoplites raulinianus (FOSSIL) (A.V.M.D. D'Orbigny,1841 †) UK, England, Kent
Euhoplites reesidei (FOSSIL) C.J. Maury, 1936 † Brazil, Sergipe
Freboldiceras remotum (FOSSIL) Nagy, 1970 † Canada, Quebec, Anticosti Island
Pleurohoplites renauxianus (FOSSIL) d'Orbigny, 1840 † France, Rhône-Alpes, Haute-Savoie