Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Mammalia - (Order) Cetartiodactyla

Original position

Questionably Ziphioidea (Superfamily) Gray, 1850

Current position

Physeteroidea (Superfamily) Gray, 1821

Ref: F.G. Marx et al., 2016: 122.

Alternative positions

Cetacea (Order) Brisson, 1762	Ref: J. van der Land, 2001: 376.
Odontoceti (Suborder) Flower, 1867	Ref: D.E. Wilson & D.M. Reeder, 2011: 60.
Physteroidea (Superfamily) orth. inval.	Ref: C.J. Burgin et al., 2020: table 2 (p. 27). [misplaced]
Ziphioidea (Superfamily) Gray, 1850

Historical positions

Physteroidea (Superfamily) orth. inval.	Ref: C.J. Burgin et al., 2020: table 2 (p. 27).
Physeteroidea (Superfamily) Gray, 1821	Ref: F.G. Marx et al., 2016: 122, 123, fig. 4.28.
Odontoceti (Suborder) Flower, 1867	Ref: D.E. Wilson & D.M. Reeder, 2011: 60.
Physeteroidea (Superfamily) Gray, 1821	Ref: O. Lambert et al., 2010a: fig. 2.
Cetacea (Order) Brisson, 1762	Ref: J. van der Land, 2001: 376.
Odontoceti (Suborder) Flower, 1867	Ref: 2000

Number of Subtaxa

2024	Available in Systema Naturae 2000	1g;2s; †4g
1989-present	Systema Naturae 2000: 11 Jul 2022	[1g;2s; †4g]
2016	F.G. Marx et al.: 123	[1g; †6g]
2011	D.E. Wilson & D.M. Reeder: 60	1g;2s