The (Osteoglossiformes) - order
(Pantodontoidei ) - superfamily
The Butterflyfishes
(Pantodontidae)
- family
(Osteoglossoidei) - superfamily

(Phareodontidae)
- family 0extinct-

(Singidididae)
- family 0extinct-
Arapaima
(Arapaimidae)
- family
Arowana
(Osteoglossidae)
- family
(Notopteroidei) - superfamily

(Ostariostomidae)
- family 0extinct-

(Kipalaichthyidae)
- family 0extinct-

(Wakinoichthyidae)
- family 0extinct-
The Featherfin Knives
(Notopteridae)
- family
Aba
(Gymnarchidae)
- family
The Elephantfishes
(Mormyridae)
- family