Chaenocephalus Regan [C. T.] 1913:287 Masc. Chaenichthys aceratus Lönnberg 1906. Type by monotypy. •Synonym of Cryodraco Dollo 1900, but a valid subgenus Chaenocephalus -- (Voskoboinikova 2000:329 [ref. 25153]). •Valid as Chaenocephalus Regan 1913 -- (DeWitt & Hureau 1980:790 [ref. 1125], Stevens et al. 1984:563 [ref. 13633], Iwami 1985:57 [ref. 13368], Iwami & Kock 1990:381 [ref. 21699], Miller 1993:425 [ref. 21297], Eastman & Eakin 2000:17 [ref. 24631], Balushkin 2000:S99 [ref. 29555]). Current status: Valid as Chaenocephalus Regan 1913. Channichthyidae.