| Scientific Name | Author | English Name |
|---|---|---|
| Gigantactis balushkini | Kharin, 1984 | |
| Gigantactis cheni | Ho & Shao, 2019 | Hairy whipnose |
| Gigantactis elsmani | Bertelsen, Pietsch & Lavenberg, 1981 | |
| Gigantactis gargantua | Bertelsen, Pietsch & Lavenberg, 1981 | |
| Gigantactis gibbsi | Bertelsen, Pietsch & Lavenberg, 1981 | |
| Gigantactis golovani | Bertelsen, Pietsch & Lavenberg, 1981 | |
| Gigantactis gracilicauda | Regan, 1925 | |
| Gigantactis herwigi | Bertelsen, Pietsch & Lavenberg, 1981 | |
| Gigantactis ios | Bertelsen, Pietsch & Lavenberg, 1981 | |
| Gigantactis kreffti | Bertelsen, Pietsch & Lavenberg, 1981 | |
| Gigantactis longicauda | Bertelsen & Pietsch, 2002 | |
| Gigantactis longicirra | Waterman, 1939 | |
| Gigantactis macronema | Regan, 1925 | |
| Gigantactis meadi | Bertelsen, Pietsch & Lavenberg, 1981 | |
| Gigantactis microdontis | Bertelsen, Pietsch & Lavenberg, 1981 | |
| Gigantactis microphthalmus | (Regan & Trewavas, 1932) | |
| Gigantactis paxtoni | Bertelsen, Pietsch & Lavenberg, 1981 | Paxton's whipnose |
| Gigantactis perlatus | Beebe & Crane, 1947 | |
| Gigantactis savagei | Bertelsen, Pietsch & Lavenberg, 1981 | |
| Gigantactis vanhoeffeni | Brauer, 1902 | |
| Gigantactis watermani | Bertelsen, Pietsch & Lavenberg, 1981 | |
| Rhynchactis leptonema | Regan, 1925 | |
| Rhynchactis macrothrix | Bertelsen & Pietsch, 1998 | |
| Rhynchactis microthrix | Bertelsen & Pietsch, 1998 |