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Branch-based clade:
†
Ornithischia
Seeley 1887 [Padian & May 1993]
(dinosaur)
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Entity:
[Dinosauria] (Clade)
..[†Ornithischia] (Superorder)
..[†Ornithischia] (Subclass)
..[†Rileya] (Genus)
..[Saurischia] (Clade)
..[†Ornithischia] (Clade)
Basic information
Period
:
Late Triassic - Late Cretaceous [237 - 66 Ma]
Status
:
fossil
Paleontology
Period
:
-225 Mya
Ref:
M.J. Benton, 2005
: 205.
Period
:
Late Triassic
-
Ref:
M.J. Benton, 2005
: 205.
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025