HALOSAURIDAE  (Dornrückenaale - Halosaurs)
 
ALDROVANDIA
Aldrovandia affinis  (Gilbert's Halosaurid Fish)
Aldrovandia gracilis
Aldrovandia mediorostris
Aldrovandia oleosa
Aldrovandia phalacra  (Hawaiian Halosaurid Fish)
Aldrovandia rostrata

HALOSAUROPSIS
Halosauropsis macrochir  (Abyssal Halosaur)

HALOSAURUS
Halosaurus attenuatus
Halosaurus carinicauda
Halosaurus guentheri
Halosaurus johnsonianus  (Halosaur)
Halosaurus ovenii
Halosaurus parvipennis
Halosaurus pectoralis  (Goanna Fish)
Halosaurus radiatus
Halosaurus ridgwayi
Halosaurus sinensis
 

NOTACANTHIDAE  (Stachelaale - Deep-sea Spiny Eels)
 
LIPOGENYS
Lipogenys gillii

NOTHACANTHUS
Nothacanthus abbotti
Nothacanthus bonaparte  (Shortfin Spiny Eel)
Nothacanthus chemnitzii
Nothacanthus indicus
Nothacanthus sexspinis  (Spiny-back Eel)
Nothacanthus spinosus

POLYACANTHONOTUS
Polyacanthonotus africanus
Polyacanthonotus challengeri  (Longnose Tapirfish)
Polyacanthonotus merretti
Polyacanthonotus rissoanus  (Smallmouth Spiny Eel)