Hydrolagus Gill, 1863
Gender: M; Proc. Acad. nat. Sci. Philad., 1862 (1863): 331
Type: Chimaera colliei Lay and Bennett, 1839, off Monterey, California, by monotypy.
Synonyms
Bathyalopex Collett, 1904, Forh. Vidensk. Selsk. Krist., (9): 5 (type: Chimaera mirabilis Collett, by monotypy) as a subgenus to Chimaera.