Vertebrata Cuvier, 1812 - vertebrates
Gnathostomata
Teleostomi
Class Osteichthyes Huxley, 1880 [paraphyletic] - bony fishes
see [unranked] Euteleostomi
Subclass Actinopterygii Woodward, 1891 - ray-finned fishes
see Class Actinopterygii Woodward, 1891
Infraclass Neopterygii Regan, 1923
see Subclass Neopterygii Regan, 1923
Division Teleostei Müller, 1845
see Infraclass Teleostei Müller, 1845
Subdivision Euteleostei Greenwood et al., 1966
see Cohort Euteleosteomorpha (Greenwood et al., 1966)
Superorder Acanthopterygii Rosen & Patterson, 1969
see [unranked] Acanthopterygii Rosen & Patterson, 1969
Series Atherinomorpha Greenwood et al., 1966
see Superorder Atherinomorphae (Greenwood et al., 1966)
Order Cyprinodontiformes Berg, 1940 - killifishes
Suborder Cyprinodontoidea
see Suborder Cyprinodontoidei
Family Nynsiidae Carroll, 1988, nom. null.
see Family Jenynsiidae Günther, 1866