n = 23
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Gigantactis balushkini | Kharin, 1984 | Gigantactis balushkini | Gigantactinidae | |
| Gigantactis cheni | Ho & Shao, 2019 | Gigantactis cheni | Gigantactinidae | Hairy whipnose |
| Gigantactis elsmani | Bertelsen, Pietsch & Lavenberg, 1981 | Gigantactis elsmani | Gigantactinidae | |
| Gigantactis exodon | Regan & Trewavas, 1932 | Gigantactis vanhoeffeni | Gigantactinidae | |
| Gigantactis gargantua | Bertelsen, Pietsch & Lavenberg, 1981 | Gigantactis gargantua | Gigantactinidae | |
| Gigantactis gibbsi | Bertelsen, Pietsch & Lavenberg, 1981 | Gigantactis gibbsi | Gigantactinidae | |
| Gigantactis golovani | Bertelsen, Pietsch & Lavenberg, 1981 | Gigantactis golovani | Gigantactinidae | |
| Gigantactis gracilicauda | Regan, 1925 | Gigantactis gracilicauda | Gigantactinidae | |
| Gigantactis herwigi | Bertelsen, Pietsch & Lavenberg, 1981 | Gigantactis herwigi | Gigantactinidae | |
| Gigantactis ios | Bertelsen, Pietsch & Lavenberg, 1981 | Gigantactis ios | Gigantactinidae | |
| Gigantactis kreffti | Bertelsen, Pietsch & Lavenberg, 1981 | Gigantactis kreffti | Gigantactinidae | |
| Gigantactis longicauda | Bertelsen & Pietsch, 2002 | Gigantactis longicauda | Gigantactinidae | |
| Gigantactis longicirra | Waterman, 1939 | Gigantactis longicirra | Gigantactinidae | |
| Gigantactis macronema | Regan, 1925 | Gigantactis macronema | Gigantactinidae | |
| Gigantactis meadi | Bertelsen, Pietsch & Lavenberg, 1981 | Gigantactis meadi | Gigantactinidae | |
| Gigantactis microdontis | Bertelsen, Pietsch & Lavenberg, 1981 | Gigantactis microdontis | Gigantactinidae | |
| Gigantactis microphthalmus | (Regan & Trewavas, 1932) | Gigantactis microphthalmus | Gigantactinidae | |
| Gigantactis paxtoni | Bertelsen, Pietsch & Lavenberg, 1981 | Gigantactis paxtoni | Gigantactinidae | Paxton's whipnose |
| Gigantactis perlatus | Beebe & Crane, 1947 | Gigantactis perlatus | Gigantactinidae | |
| Gigantactis savagei | Bertelsen, Pietsch & Lavenberg, 1981 | Gigantactis savagei | Gigantactinidae | |
| Gigantactis sexfilis | Regan & Trewavas, 1932 | Gigantactis gracilicauda | Gigantactinidae | |
| Gigantactis vanhoeffeni | Brauer, 1902 | Gigantactis vanhoeffeni | Gigantactinidae | |
| Gigantactis watermani | Bertelsen, Pietsch & Lavenberg, 1981 | Gigantactis watermani | Gigantactinidae |