The Taxonomicon
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Monotypic taxon: Infraorder †Pachycephalosauria Maryañska & Osmólska, 1974 (dinosaur)
 Entity: 

Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Order) Ornithischia

Current position

Marginocephalia (Clade) Sereno 1986 Ref: M.J. Benton, 2005: 398.

Historical positions

Marginocephalia (Clade) Sereno 1986 Ref: M.J. Benton, 2005: 398, box 8.5.

Number of Subtaxa

2022 Available in Systema Naturae 2000 †1f;15g;19s
1989-present Systema Naturae 2000 †1f;15g;19s
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Last updated: 4 Aug 2022