Concise hierarchy

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

Subsequent positions

Xenarthra (Magnorder) Cope, 1889

Ref: M.C. McKenna & S.K. Bell, 1997: 91.

Original entries

Questionably †Entelopidae (Family) Ameghino, 1889

Subsequent entries

Phyllophaga (Suborder) Owen, 1842
†Trematherium (Genus) Ameghino, 1887
Vermilingua (Suborder) Gray, 1869

Current position

Xenarthra (Superorder) Cope, 1889

Ref: C.J. Burgin et al., 2020: table 2 (p. 26).

Alternative positions

Placentalia (Infraclass) Owen, 1837	Ref: D.E. Wilson & D.M. Reeder, 2011: 57.
Theria (Subclass) Parker & Haswell, 1897	Ref: A.L. Gardner, 2005: 100. [implicit]
Xenarthra (Magnorder) Cope, 1889	Ref: M.J. Benton, 2015: 443.

Historical positions

Xenarthra (Superorder) Cope, 1889	Ref: C.J. Burgin et al., 2020: table 2 (p. 26).
Xenarthra (Magnorder) Cope, 1889	Ref: M.J. Benton, 2015: 443.
Placentalia (Infraclass) Owen, 1837	Ref: D.E. Wilson & D.M. Reeder, 2011: 57.
Theria (Subclass) Parker & Haswell, 1897	Ref: A.L. Gardner, 2005: 100. [implicit]
Xenarthra (Magnorder) Cope, 1889	Ref: M.J. Benton, 2005: 401.
Xenarthra (Magnorder) Cope, 1889	Ref: M.C. McKenna & S.K. Bell, 1997: 91. [new position]

Number of Subtaxa

2025	Available in Systema Naturae 2000	4f;5g;10s;30ss; ‡1f;4g; †5f;95g;7s;1ss
1989-present	Systema Naturae 2000	4f;5g;10s;30ss; ‡1f;4g; †5f;95g
2020	C.J. Burgin et al.: table 2 (p. 26)	[4f]
2015	M.J. Benton: 443	[3f]
2011	D.E. Wilson & D.M. Reeder: 57	2so;[4f]
2005	A.L. Gardner	[4f;5g;10s;30ss]
1997	M.C. McKenna & S.K. Bell	[4f;5g; ‡1f;4g; †5f;95g]