n = 4
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Scymnodalatias albicauda | Taniuchi & Garrick, 1986 | Scymnodalatias albicauda | Somniosidae | Whitetail dogfish |
| Scymnodalatias garricki | Kukuev & Konovalenko, 1988 | Scymnodalatias garricki | Somniosidae | Azores dogfish |
| Scymnodalatias oligodon | Kukuev & Konovalenko, 1988 | Scymnodalatias oligodon | Somniosidae | Sparsetooth dogfish |
| Scymnodalatias sherwoodi | (Archey, 1921) | Scymnodalatias sherwoodi | Somniosidae | Sherwood dogfish |