Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Actinopteri - (Order) Cyprinodontiformes

Current position

Cyprinodontoidei (Suborder)

Ref: R. van der Laan, 2018: 80; ECoF(4 Feb 2025).

Alternative positions

Cyprinodontiformes (Order) Berg, 1940	Ref: W.N. Eschmeyer & J.D. Fong, 2011: 32.
Cyprinodontoidea (Suborder)	Ref: R.L. Carroll, 1988: App. (p. 607).
Microcyprini (Order)
Poecilioidea (Superfamily) Bonaparte, 1831	Ref: J.S. Nelson et al., 2016: 378.

Historical positions

Cyprinodontoidei (Suborder)	Ref: R. van der Laan, 2018: 80.
Cyprinodontoidei (Suborder)	Ref: R. Betancur-R et al., 2017: 26.
Poecilioidea (Superfamily) Bonaparte, 1831	Ref: J.S. Nelson et al., 2016: 378.
Cyprinodontiformes (Order) Berg, 1940	Ref: W.N. Eschmeyer, 2004-2016: 24 Jan 2006.
Cyprinodontiformes (Order) Berg, 1940	Ref: W.N. Eschmeyer & J.D. Fong, 2011: 32.
Cyprinodontoidei (Suborder)	Ref: E.O. Wiley & G.D. Johnson, 2010: 157.
Poecilioidea (Superfamily) Bonaparte, 1831	Ref: J.S. Nelson, 2006: 291.
Cyprinodontiformes (Order) Berg, 1940	Ref: 1998
Cyprinodontiformes (Order) Berg, 1940	Ref: W.N. Eschmeyer, 1998: 2470.
Cyprinodontoidea (Suborder)	Ref: R.L. Carroll, 1988: App. (p. 607).
Cyprinodontoidei (Suborder)	Ref: R.A. Fritzsche, 1982: 897.
Cyprinodontoidei (Suborder)	Ref: T.I. Storer et al., 1979: 685.

Number of Subtaxa

2026	Available in Systema Naturae 2000	27g;199s
1989-present	Systema Naturae 2000: 29 Jul 2025	[27g]
2011	W.N. Eschmeyer & J.D. Fong: 32	41g;343s
2006	J.S. Nelson: 293	[37g]
1982	R.A. Fritzsche: 897	3sf;22g;140s