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Taxon:
Genus †"
Chaoyoungosaurus
"
Zhao, 1983, nom. nud.
(dinosaur)
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Entity:
[†Chaoyoungosauridae] (Family)
..[†Xuanhuasaurus] (Genus)
..[†Chaoyoungosaurus] (Genus)
Authorship
Original name, rank & spelling
:
Zhao X. (Chao S.), 1983.
Acta Palaeontologica Polonica
28
(1-2): 300 ("Chao"); 301 (footnote 1: "Chao, 1983.").
≡
Attributes
Nomen nudum (nom. nud.) [ICZN, 1999: Arts. 12 [before 1931], 13 [after 1930], G]
Ref:
G. Olshevsky, 1991.
Mesozoic Meanderings
(no. 2)
: 158 ("
nomen nudum
"); Wiki(Chaoyangsaurus, 7 May 2025).
Types
Type of
:
†
Chaoyoungosauridae
(Family)
Zhao, 1983, nom. nud.
Ref:
G. Olshevsky, 1991
: 158; 14 Aug 2026.
[
new
] [inferred]
Variants
Available name
:
†
Chaoyangsaurus
(Genus)
Zhao, Cheng & Xu, 1999
Ref:
PBDB
: [6 Jun 2025]; Wiki(Chaoyangsaurus, 7 May 2025).
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026