Concise hierarchy

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

Phylogeny

Branch-based clade		Ref: A.O. Averianov et al., 2013: 321 ("stem-based taxon").
Reference phylogeny [PhyloCode]		Ref: A.O. Averianov et al., 2013: fig. 2. [implicit]

Defined by included taxon (and all taxa more closely related to it than to the excluded taxon)

†Maotherium asiaticum Ji et al., 2009

Ref: A.O. Averianov et al., 2013: 321.

Defined by excluded taxon

†Spalacotherium tricuspidens Owen, 1854

Ref: A.O. Averianov et al., 2013: 321.

Current position

†Spalacotheriida (Order) Prothero, 1981

Ref: Plogschties & Martin, 2019 [indirect]

Alternative positions

Trechnotheria (Clade) McKenna 1975

Ref: A.O. Averianov et al., 2013: 321. [new taxon] [implicit]

Historical positions

Trechnotheria (Clade) McKenna 1975

Ref: A.O. Averianov et al., 2013: 321. [new taxon] [implicit]

Number of Subtaxa

2024	Available in Systema Naturae 2000	†1f;6g;7s
1989-present	Systema Naturae 2000: 23 Mar 2022	[; †1f;6g;7s]