The Taxonomicon
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Under construction
Monotypic taxon: Genus †Palaeoxonodon Freeman, 1976 (mammal)
 Entity: 

Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Mammalia - (Order) Amphitheriida - (Family) Amphitheriidae

Original position

Questionably Peramuridae (Family) Kretzoi, 1946

Current position

Amphitheriidae (Family) Owen, 1846 Ref: Panciroli et al., 2018: 198

Alternative positions

Peramuridae (Family) Kretzoi, 1946 Ref: M.C. McKenna & S.K. Bell, 1997: 48; Kielan-Jaworowska et al., 2004: table 10.1 (p. 379).
Zatheria (Clade) McKenna 1975 Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): table 1.1 (p. 14).

Historical positions

Mammalia (Class) Linnaeus, 1758 Ref: S. Bi et al., 2018: fig. 4. [rough position]
Cladotheria (Clade) McKenna 1975 Ref: A.O. Averianov et al., 2013: 316, fig. 2.
Peramurans (Order) McKenna, 1975 Ref: Z. Kielan-Jaworowska et al., 2004: table 10.2 (p. [380]).
Peramuridae (Family) Kretzoi, 1946 Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): table 10.1 (p. 379). [alternative position]
Zatheria (Clade) McKenna 1975 Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): table 1.1 (p. 14).
Peramuridae (Family) Kretzoi, 1946 Ref: M.C. McKenna & S.K. Bell, 1997: 48.

Number of Subtaxa

2025 Available in Systema Naturae 2000 †1s
1989-present Systema Naturae 2000: 18 Mar 2022 [; †1s]
2004 Z. Kielan-Jaworowska et al.: table 10.2 (p. [380]) [; †1s]
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Last updated: 21 Sep 2025