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Branch-based clade: Pachycephalosauria Maryañska & Osmólska 1974 (dinosaur)
 Entity: 

Concise hierarchy

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

Current position

Marginocephalia (Clade) Sereno 1986 Ref: P.C. Sereno, 1998: table 4 (p. 62).

Historical positions

Marginocephalia (Clade) Sereno 1986 Ref: P.C. Sereno, 1998: table 4 (p. 62), fig. 6.
Marginocephalia (Clade) Sereno 1986 Ref: M.J. Benton, 1990: fig. 1.5.

Phylogeny

Branch-based clade Ref: P.C. Sereno, 1998: table 4 (p. 62).

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

Pachycephalosaurus (Genus) Brown & Schlaikjer, 1943 Ref: P.C. Sereno, 1998: table 4 (p. 62)

Defined by excluded taxon

Triceratops (Genus) Marsh, 1889 Ref: P.C. Sereno, 1998: table 4 (p. 62)
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Last updated: 9 Feb 2022