Order Cyprinodontes (ray-finned fish)
Parent taxon: Ostariophysi according to D. S. Jordan 1963
Sister taxa: Allotriognathi, Anotophysa, Chanoides, Eventognathi, Gymnonoti, Haplomi, Heterognathi, Heterosomata, Nematognathii, Otophysa, Salmopercae, Selenichthyes, Siluroidea, Synentognathi, Xenarchi, Xenomi
Subtaxa: Characodontidae Fitzroyiidae Gooeidae
Ecology:
Distribution: there are no occurrences of Cyprinodontes in the database