Chimaeridae Bonaparte, 1831
Hydrolagus affinis (de Brito Capello, 1868)
Hydrolagus africanus (Gilchrist, 1922)
Hydrolagus alberti Bigelow & Schroeder, 1951
Hydrolagus alphus Quaranta, Didier, Long & Ebert, 2006
Hydrolagus barbouri (Garman, 1908)
Hydrolagus bemisi Didier, 2002
Hydrolagus colliei (Lay & Bennett, 1839)
Hydrolagus deani (Smith & Radcliffe, 1912)
Hydrolagus eidolon (Jordan & Hubbs, 1925)
Hydrolagus homonycteris Didier, 2008
Hydrolagus lemures (Whitley, 1939)
Hydrolagus lusitanicus Moura, Figueiredo, Bordalo-Machado, Almeida & Gordo, 2005
Hydrolagus macrophthalmus de Buen, 1959
Hydrolagus marmoratus Didier, 2008
Hydrolagus matallanasi Soto & Vooren, 2004
Hydrolagus mccoskeri Barnett, Didier, Long & Ebert, 2006
Hydrolagus melanophasma James, Ebert, Long & Didier, 2009
Hydrolagus mirabilis (Collett, 1904)
Hydrolagus mitsukurii (Jordan & Snyder, 1904)
Hydrolagus novaezealandiae (Fowler, 1911)
Hydrolagus ogilbyi (Waite, 1898)
Hydrolagus pallidus Hardy & Stehmann, 1990
Hydrolagus purpurescens (Gilbert, 1905)
Hydrolagus trolli Didier & Séret, 2002
Hydrolagus waitei Fowler, 1907