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Taxon:
Genus †
Protorosaurus
Lambe, 1914, nom. illeg.
(dinosaur)
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Hierarchy
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Entity:
†Chasmosaurinae (Subfamily)
..†Anchiceratops (Genus)
..†Arrhinoceratops (Genus)
..[†Ceratops] (Genus)
..†Chasmosaurus (Genus)
..†Diceratops (Genus)
..†Eoceratops (Genus)
..†Pentaceratops (Genus)
..[†Proceratops] (Genus)
..†Torosaurus (Genus)
..†Triceratops (Genus)
..[†Ugrosaurus] (Genus)
..[†Protorosaurus] (Genus)
Authorship
SN2000 author citation
:
L.M. Lambe, 1914, nom. praeocc.
Original name, rank & spelling
:
Lambe, L.M. 1914.
Ottawa Natural.
27
(10), Jan 1914: 131 ("gen. nov.").
≡
Attributes
Junior homonym (nom. illeg.: nom. praeocc.) [ICZN]
Ref:
G. Olshevsky, 1991.
Mesozoic Meanderings
(no. 2)
: 163 ("Lambe, 1914/von Meyer, 1830").
Homonyms
Senior homonym
:
†
Protorosaurus
(Genus)
Meyer, 1830
Ref:
G. Olshevsky, 1991
: 163.
Synonyms
Accepted name (objective)
:
†
Chasmosaurus
(Genus)
Lambe, 1914
Ref:
G. Olshevsky, 1991
: 163; PBDB(27 Jan 2021).
Replacement name
:
†
Chasmosaurus
(Genus)
Lambe, 1914
Ref:
S.A. Neave (ed.), [2005]
: [19 Dec 2008].
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026