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Monotypic taxon:
Genus †
Pachycephalosaurus
Brown & Schlaikjer, 1943
(dinosaur)
Taxa
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Hierarchy
Nomenclature
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Entity:
†Pachycephalosaurini (Tribe)
..†Pachycephalosaurus (Genus)
....†Pachycephalosaurus wyomingensis (Species)
Authorship
SN2000 author citation
:
B. Brown & Schlaikjer, 1943
Original name
:
Brown, B. & Schlaikjer, E.M. 1943.
Bull. Amer. Mus. Nat. Hist.
82
(5): 132.
Etymology
Greek
παχυς
, thick.
Ref:
Wikimedia
: 20 Jun 2016.
Greek
κεφαλη
, head.
Ref:
Wikimedia
: 20 Jun 2016.
Greek (subst. masc.)
σαύρος
(gen.:
σαύρου
), a lizard.
Ref:
Wikimedia
: 20 Jun 2016.
Types
Type of
:
†
Pachycephalosaurini
(Tribe)
Sullivan, 2003
Type
:
†
Pachycephalosaurus wyomingensis
(Gilmore, 1931) Brown & Schlaikjer, 1943
Synonyms
Synonymous name
:
†
Dracorex
(Genus)
Bakker, R. Sullivan, Porter, P. Larson & Saulsbury, 2006
Ref:
PBDB
: 27 Oct 2013; PBDB[5 Jun 2025].
Synonymous name
:
†
Stenotholus
(Genus)
Giffin, Gabriel & Johnson, 1988
Ref:
PBDB
: 27 Oct 2013; PBDB[5 Jun 2025].
Synonymous name
:
†
Stygimoloch
(Genus)
Galton & Sues, 1983
Ref:
PBDB
: 4 Apr 2017; PBDB[5 Jun 2025].
Including
:
†
Tylosteus
(Genus)
Leidy, 1872, nom. oblit.
Ref:
D.B. Weishampel et al. (eds.), 1990
: 566.
In (pro parte)
:
†
Troödon
(Genus)
Leidy, 1856
Ref:
R.M. Sullivan, 2006
: 357.
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025