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Taxon:
Genus †
Ceratops
Marsh, 1888, nom. dub.
(dinosaur)
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Hierarchy
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Entity:
†Chasmosaurinae (Subfamily)
..†Anchiceratops (Genus)
..†Arrhinoceratops (Genus)
..†Chasmosaurus (Genus)
..†Diceratops (Genus)
..†Eoceratops (Genus)
..†Pentaceratops (Genus)
..[†Proceratops] (Genus)
..[†Protorosaurus] (Genus)
..†Torosaurus (Genus)
..†Triceratops (Genus)
..[†Ugrosaurus] (Genus)
..[†Ceratops] (Genus)
Authorship
Original name
:
Marsh, 1888. Amer. J. Sci., (3) 36, 477.
Attributes
Not
Junior homonym (nom. illeg.: nom. praeocc.) [ICZN]
Ref:
G. Olshevsky, 1991.
Mesozoic Meanderings
(no. 2)
: 163 ("Marsh, 1888/Rafinesque, 1815", note).
Nomen dubium (nom. dub.)
Ref:
G. Olshevsky, 1991.
Mesozoic Meanderings
(no. 2)
: 163 ("
nomen dubium
").
Nomen dubium (nom. dub.)
Ref:
G. Olshevsky (comp.), 2000-2021
: 12 Jun 2021 ("
nomen dubium
").
Types
Type of
:
†
Ceratopsidae
(Family)
Marsh, 1888
Ref:
G. Olshevsky, 1991
: 163; [<16 Oct 2025].
[inferred]
Synonyms
Replacement name
:
†
Proceratops
(Genus)
Lull, 1906, nom. illeg., nom. dub.
Ref:
S.A. Neave (ed.), [2005]
: [19 Dec 2008].
Questionably
Junior subjective synonym
:
†
Chasmosaurus
(Genus)
Lambe, 1914
Ref:
G. Olshevsky, 1991
: 163 ("?").
Questionably
Junior subjective synonym
:
†
Eoceratops
(Genus)
Lambe, 1915
Ref:
G. Olshevsky, 1991
: 163 ("?").
Synonymous name (objective)
:
†
Proceratops
(Genus)
Lull, 1906, nom. illeg., nom. dub.
Ref:
G. Olshevsky, 1991
: 163.
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026