Order Cyprinodontiformes Bertin 1958 (ray-finned fish)
Osteichthyes - Cyprinodontiformes
Parent taxon: Atherinomorphae according to R. van der Laan 2019
See also Betancur et al. 2013, Deschamps 2005, Fierstine et al. 2012, Long 2011, Nelson 2006 and Nelson et al. 2016
Sister taxa: Atherinea, Atheriniformes, Beloniformes, Cyprinodontea, Mesogasteridae, Rhamphognathidae
Subtaxa: Anablepidae Aplocheiloidei Cyprinodontoidei Goodeidae Nothobranchiidae Profundulidae Rivulidae Valenciidae
Ecology: nektonic omnivore