The complete classification of all organisms in the order Notacanthiformes.
Extant[]
- Family Halosauridae
- Genus Halosaurus
- Halosaurus ovenii
- Halosaur, Halosaurus johnsonianus
- Halosaurus carinicauda
- Halosaurus guentheri
- Halosaurus attentuatus
- Halosaurus radiatus
- Australian Halosaur, Halosaurus pectoralis
- Halosaurus ridgwayi
- Halosaurus sinensis
- Genus Halosauropsis
- Abyssal Halosaur, Halosauropsis macrochir
- Genus Aldrovandia
- Aldrovandia rostrata
- Gilbert's Halosaurid Fish, Aldrovandia affinis
- Aldovandia mediorostris
- Hawaiian Halosaurid Fish, Aldrovandia phalacra
- Aldrovandia gracilis
- Aldrovandia oleosa
- Genus Halosaurus
- Family Notacanthidae
- Genus Notacanthus
- Snubnosed Spiny Eel, Notacanthus chemnitzii
- Shortfin Spiny Eel, Notacanthus bonaparte
- Spiny-Back Eel, Notacanthus sexspinis
- Notacanthus spinosus
- Notacanthus indicus
- Notacanthus abbotti
- Genus Polyacanthonotus
- Smallmouth Spiny Eel, Polyacanthonotus rissoanus
- Longnose Tapirfish, Polyacanthonotus challengeri
- Polyacanthonotus africanus
- Polyacanthonotus merretti
- Genus Lipogenys
- Lipogenys gillii
- Genus Leptocephalus
- Leptocephalus giganteus*
- Genus Notacanthus
*L. giganteus is more probably the larvae of N. chemitzii.