n = 8
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Polyacanthonotus africanus | (Gilchrist & von Bonde, 1924) | Polyacanthonotus africanus | Notacanthidae | |
| Polyacanthonotus altus | (Gill & Townsend, 1897) | Polyacanthonotus challengeri | Notacanthidae | Longnose tapirfish |
| Polyacanthonotus challengeri | (Vaillant, 1888) | Polyacanthonotus challengeri | Notacanthidae | Longnose tapirfish |
| Polyacanthonotus longus | (Gill & Townsend, 1897) | Polyacanthonotus challengeri | Notacanthidae | Longnose tapirfish |
| Polyacanthonotus merretti | Sulak, Crabtree & Hureau, 1984 | Polyacanthonotus merretti | Notacanthidae | |
| Polyacanthonotus rissoanus | (De Filippi & Verany, 1857) | Polyacanthonotus rissoanus | Notacanthidae | Smallmouth spiny eel |
| Polyacanthonotus rostratus | (Collett, 1889) | Polyacanthonotus rissoanus | Notacanthidae | Smallmouth spiny eel |
| Polyacanthonotus vaillanti | Fowler, 1934 | Polyacanthonotus africanus | Notacanthidae |