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Taxon:
Genus †
Orthomerus
Seeley, 1883, nom. dub.
(dinosaur)
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Entity:
†Hadrosauridae (Family) - hadrosaurs
..[†Aachenosaurus] (Genus)
..[†Anatosaurus] (Genus)
..[†Anatotitan] (Genus)
..[†Anatotitan] (Genus)
..[†Arstanosaurus] (Genus)
..†Bactrosaurus (Genus)
..[†Cheneosaurus] (Genus)
..[†Cionodon] (Genus)
..†Claosaurus (Genus)
..[†Diclonius] (Genus)
..†Euhadrosauria
..†Gilmoreosaurus (Genus)
..[†Hecatasaurus] (Genus)
..[†Hironosaurus] (Genus)
..[†Hypsibema] (Genus)
..†Kerberosaurus (Genus)
..[†Kritosaurus] (Genus)
..[†Limnosaurus] (Genus)
..[†Mandschurosaurus] (Genus)
..[†Microhadrosaurus] (Genus)
..†Secernosaurus (Genus)
..†Tanius (Genus)
..†Telmatosaurus (Genus)
..[†Thespesius] (Genus)
..[†Trachodon] (Genus)
..[†Orthomerus] (Genus)
Authorship
Original name
:
Seeley, 1883.
Quart. J. Geol. Soc.
39
: 248.
Attributes
Nomen dubium (nom. dub.)
Ref:
G. Olshevsky, 1991.
Mesozoic Meanderings
(no. 2)
: 173 ("
nomen dubium
").
Nomen dubium (nom. dub.)
Ref:
G. Olshevsky (comp.), 2000-2021
: 12 Jun 2021 ("
nomen dubium
").
Synonyms
Questionably
Junior subjective synonym
:
†
Telmatosaurus
(Genus)
Nopcsa, 1903
Ref:
G. Olshevsky, 1991
: 174 ("?").
Possibly
Junior subjective synonym
:
†
Telmatosaurus
(Genus)
Nopcsa, 1903
Ref:
G. Olshevsky (comp.), 2000-2021
: 12 Jun 2021 ("PSS").
Synonymous name
:
†
Limnosaurus
(Genus)
Nopcsa, 1899, nom. illeg.
Ref:
R.L. Carroll, 1988
: App. (p. 622).
Synonymous name
:
†
Telmatosaurus
(Genus)
Nopcsa, 1903
Ref:
R.L. Carroll, 1988
: App. (p. 622).
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026