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Taxon:
Genus †
Triceratops
Marsh, 1889
(dinosaur)
Taxa
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Hierarchy
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Entity:
†Chasmosaurinae (Subfamily)
..†Anchiceratops (Genus)
..†Arrhinoceratops (Genus)
..†Chasmosaurus (Genus)
..†Diceratops (Genus)
..†Eoceratops (Genus)
..†Pentaceratops (Genus)
..†Torosaurus (Genus)
..†Triceratops (Genus)
....†Triceratops horridus (Species)
....†Triceratops maximus (Species)
....†Triceratops prorsus (Species)
Authorship
Original name
:
Marsh, 1889. Amer. J. Sci., (3) 38, 173.
Etymology
Greek (pref.)
τρι-
[
tri-
]
, three.
Ref:
Wikimedia, 2001-present
: 18 Jun 2016.
Greek
κέρας
[
kéras
]
, horn.
Ref:
Wikimedia, 2001-present
: 18 Jun 2016.
Greek (subst. fem.)
ὄψ
[
óps
]
(gen.:
ὀπός
), face.
Ref:
Wikimedia, 2001-present
: 18 Jun 2016.
Variants
Incorrect spelling
:
†
Tricertops
(Genus)
nom. null.
Ref:
P.C. Sereno, 1998
: table 4 (p. 62).
[inferred]
Homonyms
Junior homonym (allowed)
:
Triceratops
(Minor planet)
Ref:
S.J. Brands (comp.), 1989-present
: 18 Sep 2016.
Synonyms
Possibly
Senior subjective synonym
:
†
Agathaumas
(Genus)
Cope, 1872, nom. dub.
Ref:
G. Olshevsky (comp.), 2000-2021
: 12 Jun 2021 ("PSS").
Questionably
Junior subjective synonym
:
†
Ugrosaurus
(Genus)
Cobabe & Fastovsky, 1987, nom. dub.
Ref:
G. Olshevsky, 1991
: 164 ("?").
Synonymous name
:
†
Diceratops
(Genus)
Lull, 1905, nom. illeg.
Ref:
PBDB
: 6 Aug 2020.
Synonymous name
:
†
Diceratus
(Genus)
Mateus, 2008
Ref:
PBDB
: 6 Aug 2020.
Synonymous name
:
†
Nedoceratops
(Genus)
Ukrainsky, 2007
Ref:
PBDB
: 6 Aug 2020.
Synonymous name
:
†
Ojoceratops
(Genus)
Sullivan & Lucas, 2010
Ref:
PBDB
: 31 Jan 2014.
Synonymous name
:
†
Sterrholophus
(Genus)
Marsh, 1891
Ref:
PBDB
: 24 Sep 2021.
Synonymous name
:
†
Tatankaceratops
(Genus)
Ott & Larson, 2010
Ref:
PBDB
: 31 Jan 2014.
Possibly
Synonymous name (subjective)
:
†
Claorhynchus
(Genus)
Cope, 1892, nom. dub.
Ref:
G. Olshevsky (comp.), 2000-2021
: 12 Jun 2021 ("PSS").
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026