| Species | Name Used in Reference |
|---|---|
| Hydrolagus alphus Quaranta, Didier, Long & Ebert, 2006 | Hydrolagus alphus (p. ) |
| Hydrolagus colliei (Lay & Bennett, 1839) | Hydrolagus colliei (p. ) |
| Hydrolagus macrophthalmus de Buen, 1959 | Hydrolagus macrophthalmus (p. ) |
| Hydrolagus mccoskeri Barnett, Didier, Long & Ebert, 2006 | Hydrolagus mccoskeri (p. ) |
| Hydrolagus melanophasma James, Ebert, Long & Didier, 2009 | Hydrolagus melanophasma (p. ) |