Scalites katoi (FOSSIL) T. Kobayashi, 1934 †
Ceratopea kawasakii (FOSSIL) (T. Kobayashi, 1930 †)
Ceratopea keithi (FOSSIL) Ulrich, 1911 †
Scalites keizanensis (FOSSIL) O. Kobayashi, 1934 †
Ceratopea latiumbilicata (FOSSIL) (C.M. Poulsen, 1927 †)
Ceratopea laurentina (FOSSIL) (Billings, 1859 †)
Ceratopea lemonei (FOSSIL) (Flower, 1968 †)
Ceratopea lenticularis (FOSSIL) (Flower, 1968 †)
Calaurops lituiformis (FOSSIL) R.P. Whitfield, 1886 †
Ceratopea medfraensis (FOSSIL) (Rohr & Blodgett, 1988 †)
Raphistoma minuta (FOSSIL) Yü, 1961 †
Ceratopea miser (FOSSIL) (Billings, 1859 †)
Ceratopea numeria (FOSSIL) (Billings, 1865 †)
Ceratopea obtusa (FOSSIL) (Cleland, 1900 †)
Scalites oradovekaiae (FOSSIL) (Vostokova, 1964 †)
Ceratopea parva (FOSSIL) Stauffer, 1937 †
Raphistoma pauper (FOSSIL) (Billings, 1859 †)
Raphistoma pelhamensis (FOSSIL) Butts, 1926 †
Scalites peracutum (FOSSIL) Ulrich & Scofield, 1897 †
Bridgeites planidorsalis (FOSSIL) (Cullison, 1944 †)
Ceratopea pygmaea (FOSSIL) Stauffer, 1937 †
Scalites richmondensis (FOSSIL) (Ulrich & Scofield,1897 †)
Ceratopea sculpta (FOSSIL) (Cullison, 1944 †)
Raphistoma shakopeense (FOSSIL) Stauffer, 1937 †
Ceratopea sinclairensis (FOSSIL) O. Kobayashi, 1955 †
Scalites solitarius (FOSSIL) (Endo, 1935 †)
Raphistoma stamineum (FOSSIL) J.W. Hall, 1847 †
Raphistoma striatum (FOSSIL) (E. Emmons, 1842 †)
Bridgeites supraconvexa (FOSSIL) (Cullison, 1944 †)
Scalites tamurai (FOSSIL) O. Kobayashi, 1930 †
Scalites tellerensis (FOSSIL) Rohr, 1988 †
Ceratopea unguis (FOSSIL) E.L. Yochelson & Bridge,1957 †
Ceratopea vagrans (FOSSIL) (Billings, 1865 †)
Raphistoma vaurealense (FOSSIL) Twenhofel, 1928 †
Bridgeites volutatus (FOSSIL) (R.P. Whitfield, 1886 †)