n = 22
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Notacanthus abbotti | Fowler, 1934 | Notacanthus abbotti | Notacanthidae | |
| Notacanthus abotti | Fowler, 1934 | Notacanthus abbotti | Notacanthidae | |
| Notacanthus analis | Gill, 1883 | Notacanthus chemnitzii | Notacanthidae | Snubnosed spiny eel |
| Notacanthus annectens | Boulenger, 1903 | Notacanthus sexspinis | Notacanthidae | Spiny-back eel |
| Notacanthus bonaparte | Risso, 1840 | Notacanthus bonaparte | Notacanthidae | Shortfin spiny eel |
| Notacanthus bonapartei | Risso, 1840 | Notacanthus bonaparte | Notacanthidae | Shortfin spiny eel |
| Notacanthus challengeri | Vaillant, 1888 | Polyacanthonotus challengeri | Notacanthidae | Longnose tapirfish |
| Notacanthus chemnitzi | Bloch, 1788 | Notacanthus chemnitzii | Notacanthidae | Snubnosed spiny eel |
| Notacanthus chemnitzii | Bloch, 1788 | Notacanthus chemnitzii | Notacanthidae | Snubnosed spiny eel |
| Notacanthus fascidens | Matsubara, 1938 | Notacanthus chemnitzii | Notacanthidae | Snubnosed spiny eel |
| Notacanthus indicus | Lloyd, 1909 | Notacanthus indicus | Notacanthidae | |
| Notacanthus mediterraneus | De Filippi & Verany, 1857 | Notacanthus bonaparte | Notacanthidae | Shortfin spiny eel |
| Notacanthus melanoventris | Osório, 1909 | Notacanthus chemnitzii | Notacanthidae | Snubnosed spiny eel |
| Notacanthus moseleyi | (Goode & Bean, 1895) | Notacanthus sexspinis | Notacanthidae | Spiny-back eel |
| Notacanthus nasus | Bloch, 1795 | Notacanthus chemnitzii | Notacanthidae | Snubnosed spiny eel |
| Notacanthus phasganorus | Goode, 1881 | Notacanthus chemnitzii | Notacanthidae | Snubnosed spiny eel |
| Notacanthus rissoanus | De Filippi & Verany, 1857 | Polyacanthonotus rissoanus | Notacanthidae | Smallmouth spiny eel |
| Notacanthus rostratus | Collett, 1889 | Polyacanthonotus rissoanus | Notacanthidae | Smallmouth spiny eel |
| Notacanthus sexpinnis | Richardson, 1846 | Notacanthus sexspinis | Notacanthidae | Spiny-back eel |
| Notacanthus sexspinis | Richardson, 1846 | Notacanthus sexspinis | Notacanthidae | Spiny-back eel |
| Notacanthus sexspinus | Richardson, 1846 | Notacanthus sexspinis | Notacanthidae | Spiny-back eel |
| Notacanthus spinosus | Garman, 1899 | Notacanthus spinosus | Notacanthidae |