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Taxon:
Superorder †
Ornithischia
Seeley, 1887
(dinosaur)
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Entity:
[Dinosauria] (Clade)
..[†Ornithischia] (Clade)
..[†Ornithischia] (Subclass)
..[†Rileya] (Genus)
..[Saurischia] (Clade)
..[†Unicerosaurus] (Genus)
..[†Ornithischia] (Superorder)
....[†Ornithopodia] (Order)
....[†Rhadinosaurus] (Genus)
....[†Tichosteus] (Genus)
Authorship
SN2000 author citation
:
(H.G. Seeley, 1887)
Variants
Current rank
:
†
Ornithischia
(Subclass)
Seeley, 1887
Ref:
D.M. Martill & J.D. Hudson (eds.), 1991
: 246.
[inferred]
Current rank
:
†
Ornithischia
(Order)
Seeley, 1887
Ref:
M.J. Benton, 2015
: 441.
[inferred]
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026