PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Wuerhosaurus

Osteichthyes - Stegosauridae

Taxonomy

Wuerhosaurus was named by Dong (1973).

It was synonymized subjectively with Stegosaurus by Maidment et al. (2008), Mateus et al. (2009).

It was assigned to Stegosauroidea by Zhao (1983); to Stegosauria by Olshevsky and Ford (1993); to Stegosauridae by Dong (1973), Galton (1981), Sereno (1986), Carroll (1988), Galton (1990), Dong (1994), Carpenter et al. (2001), Blows (2001), Galton and Upchurch (2004), Tumanova and Alifanov (2018); and to Stegosaurinae by Dong et al. (1983), Zhou (1986), Dong (1990), Dong (1992), Ulansky (2014), Sánchez-Fenollosa and Cobos (2025).

Species

W. homheni

Entered

by M. Carrano on 2003-01-23; modified by M. Carrano on 2023-01-13

Synonymy list

Year	Name and author
1973	Wuerhosaurus Dong p. 50
1981	Wuerhosaurus Galton p. 43
1983	Wuerhosaurus Dong et al. p. 137
1983	Wuerhosaurus Zhao p. 304
1986	Wuerhosaurus Sereno
1986	Wuerhosaurus Zhou p. 36
1988	Wuerhosaurus Carroll
1990	Wuerhosaurus Dong p. 262
1990	Wuerhosaurus Galton
1992	Wuerhosaurus Dong p. 166
1993	Wuerhosaurus Olshevsky and Ford
1994	Wuerhosaurus Dong p. 2174
2001	Wuerhosaurus Blows p. 138
2001	Wuerhosaurus Carpenter et al. p. 73 fig. 3.14
2004	Wuerhosaurus Galton and Upchurch p. 345
2014	Wuerhosaurus Ulansky p. 8
2018	Wuerhosaurus Tumanova and Alifanov p. 1771
2025	Wuerhosaurus Sánchez-Fenollosa and Cobos p. 175

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
class	Osteichthyes
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)

Rank	Name	Author
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Ornithischia	()
—	Parapredentata	Norman 2022
—	Saphornithischia	Madzia et al. 2001
—	Prionodontia	Owen 1874
—	Genasauria
—	Thyreophora	()
superfamily	Thyreophoroidea	()
—	Eurypoda
—	Stegosauria	()
family	Stegosauridae
—	Neostegosauria
subfamily	Stegosaurinae	Nopcsa 1917
genus	Wuerhosaurus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Wuerhosaurus Dong 1973

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†Wuerhosaurus homheni Dong 1973

Diagnosis

Reference	Diagnosis
Z.-M. Dong 1994	Differs from all other stegosaurs in having only 11 dorsal vertebrae, compared with 16 in Stegosaurus and 17-18 in Huayangosaurus. Neural canal of dorsals small, not enlarged as in Stegosaurus.