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Taxon:
Genus †
Agathaumas
Cope, 1872, nom. dub.
(dinosaur)
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Hierarchy
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Entity:
†Ceratopsidae (Family)
..†Avaceratops (Genus)
..†Brachyceratops (Genus)
..†Centrosaurinae (Subfamily)
..[†Centrosaurus] (Genus)
..†Chasmosaurinae (Subfamily)
..[†Dysganus] (Genus)
..[†Eucentrosaurinae] (Subfamily)
..†Monoclonius (Genus)
..†Pachyrhinosaurus (Genus)
..†Styracosaurus (Genus)
..[†Agathaumas] (Genus)
Authorship
Original name
:
Cope, 1872.
Proc. Amer. Philos. Soc.
12
: 483.
Attributes
Nomen dubium (nom. dub.)
Ref:
G. Olshevsky, 1991.
Mesozoic Meanderings
(no. 2)
: 164 ("
nomen dubium
").
Nomen dubium (nom. dub.)
Ref:
G. Olshevsky (comp.), 2000-2021
: 12 Jun 2021 ("
nomen dubium
").
Synonyms
Questionably
Junior subjective synonym
:
†
Brachyceratops
(Genus)
Gilmore, 1914
Ref:
G. Olshevsky, 1991
: 164 ("?").
Possibly
Junior subjective synonym
:
†
Nedoceratops
(Genus)
Ukrainsky, 2007
Ref:
G. Olshevsky (comp.), 2000-2021
: 12 Jun 2021 ("PSS").
Possibly
Junior subjective synonym
:
†
Torosaurus
(Genus)
Marsh, 1891
Ref:
G. Olshevsky (comp.), 2000-2021
: 12 Jun 2021 ("PSS").
Possibly
Junior subjective synonym
:
†
Triceratops
(Genus)
Marsh, 1889
Ref:
G. Olshevsky (comp.), 2000-2021
: 12 Jun 2021 ("PSS").
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026