| # | Genus | Species | Author | Links |
|---|---|---|---|---|
| 1 | Gymnobisium | capense | Neethling and Neethling, 2023 | Data |
| 2 | Gymnobisium | cuneatum | Neethling and Neethling, 2023 | Data |
| 3 | Gymnobisium | hogsbackense | Neethling and Neethling, 2023 | Data |
| 4 | Gymnobisium | inukshuk | Harvey and Giribet, 2016 | Data |
| 5 | Gymnobisium | megalodontum | Neethling and Neethling, 2023 | Data |
| 6 | Gymnobisium | octoflagellatum | Beier, 1947 | Data |
| 7 | Gymnobisium | prionotogladiatum | Neethling and Neethling, 2023 | Data |
| 8 | Gymnobisium | quadrispinosum | (Tullgren, 1907) | Data |