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Taxon:
Genus †
Monoclonius
Cope, 1877, nom. dub.
(dinosaur)
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Hierarchy
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Entity:
†Ceratopsidae (Family)
..†Avaceratops (Genus)
..†Brachyceratops (Genus)
..†Centrosaurinae (Subfamily)
..†Chasmosaurinae (Subfamily)
..†Pachyrhinosaurus (Genus)
..†Styracosaurus (Genus)
..†Monoclonius (Genus)
Authorship
Original name
:
Cope, 1877.
Proc. Acad. Nat. Sci. Philad.
1876
: 255.
Attributes
Nomen dubium (nom. dub.)
Ref:
G. Olshevsky (comp.), 2000-2021
: 30 Oct 2018.
Nomen dubium (nom. dub.)
Ref:
G. Olshevsky (comp.), 2000-2021
: 12 Jun 2021 ("
nomen dubium
"); Paleofile[15 Aug 2026].
Synonyms
Possibly
Accepted name (subjective)
:
†
Centrosaurus
(Genus)
Lambe, 1904
Ref:
G. Olshevsky (comp.), 2000-2021
: 12 Jun 2021 ("PSS").
Questionably
Accepted name (subjective)
:
†
Styracosaurus
(Genus)
Lambe, 1913
Ref:
G. Olshevsky, 1991
: 162 ("?").
Possibly
Accepted name (subjective)
:
†
Styracosaurus
(Genus)
Lambe, 1913
Ref:
G. Olshevsky (comp.), 2000-2021
: 12 Jun 2021 ("PSS").
Synonymous name
:
†
Brachyceratops
(Genus)
Gilmore, 1914
Ref:
R.L. Carroll, 1988
: App. (p. 622).
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026