Killi
Characiformes

Acestrorhynchidae
Lonchogenys


Alestoidea
Alestidae











Ctenoluciidae
Boulengerella

Curimatidae
Curimatopsis




Erythrinidae
Erythrinus
Hoplias

Wolf Fish


Gasteropelecidae
Carnegiella
Thoracocharax


Hemiodontidae
Hemiodus



Lebiasinidae
Lebiasininae
Pyrrhulininae

Pencilfish


Pencil fish, splashing "tetras"; related fishes.



Prochilodontidae
Prochilodus
Semaprochilodus

Rhoadsiinae