African killifishes(Nothobranchiidae)
Asian killifishes(Aplocheilidae)
Central American killifishes(Profundulidae)
Four-eyed fishes & relatives(Anablepidae)
Livebearers & relatives(Poeciliidae)
Mediterranean killifishes(Valenciidae)
Pupfishes(Cyprinodontidae)
South American killifishes(Rivulidae)
Splitfins (Goodeidae)
Topminnows (Fundulidae)