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Stegosauria

Taxonomy

Stegosauria was named by Marsh (1877). It is not extant.

It was synonymized subjectively with Ornithopoda by Lydekker (1888); it was synonymized subjectively with Stegosauroidea by Hay (1902); it was reranked as the unranked clade Stegosauria by Sánchez-Hernández et al. (2007), Butler et al. (2008) and Han et al. (2012).

It was assigned to Reptilia by Marsh (1877) and Marsh (1877); to Dinosauria by Marsh (1884); to Dinosauria by Marsh (1881), Marsh (1882), Marsh (1885) and Lydekker (1885); to Predentata by Marsh (1894), Marsh (1895) and Marsh (1896); to Orthopoda by Lull (1912); to Enoplosauria by Swinton (1970); to Orbitoscuta by Bakker (1986); to Ornithischia by Lull (1915), Matthew (1915), Lull (1921), Lapparent (1947), Romer (1956), Delair (1960), Kuhn (1964), Romer (1966), Thulborn (1971), Delair (1973), Ostrom (1980), McIntosh (1981), Russell (1984), Maryanska and Osmólska (1985), Carroll (1988), Galton (1990) and Chure et al. (2006); to Thyreophora by Weishampel (2004) and Butler et al. (2008); to Eurypoda by Sereno (1986), Benton (1990), Sereno (1998), Sereno (1999), Galton and Upchurch (2004), Norman et al. (2004), Maidment et al. (2006) and Maidment et al. (2008); and to Thyreophora by Sánchez-Hernández et al. (2007) and Han et al. (2012).

Subtaxa

Chungkingosaurus, Deltapodus, Gigantspinosaurus, Huayangosauridae, Huayangosaurus, Kentrosauridae, Nodosauroidea, Paranthodon, Stegosauridae (syn. Lexovisaurus, Omosauridae), Tuojiangosaurus

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Synonyms

Craterosaurus was named by Seeley (1874).

It was considered a nomen dubium by Maidment et al. (2008).

It was assigned to Dinosauria by Seeley (1874); to Saurischia by Huene (1909); to Theropoda by von Zittel (1911); to Stegosaurinae by Romer (1956); to Stegosauria by Blows (1998) and Blows (2001); and to Stegosauridae by Kuhn (1964), Romer (1966), Galton (1981), Galton (1985), Carroll (1988), Galton (1990), Galton (1994), Galton and Upchurch (2004), Escaso et al. (2007) and Naish and Martill (2008).
Chialingosaurus kuani was named by Young (1959). Its type specimen is IVPP V.2300, a partial skeleton, and it is a 3D body fossil. Its type locality is Quxian (IVPP), which is in an Oxfordian/Kimmeridgian terrestrial mudstone in the Shangshaximiao Formation of China. It is the type species of Chialingosaurus.

It was considered a nomen dubium by Maidment and Wei (2006), Wings et al. (2007) and Maidment et al. (2008).
Craterosaurus pottonensis was named by Seeley (1874). Its type specimen is SMV B.28814 and is not a trace fossil. Its type locality is Potton bonebed, which is in an Aptian terrestrial sandstone in the Woburn Sands Formation of the United Kingdom.

It was considered a nomen dubium by Maidment et al. (2008).
Stegosaurus longispinus was named by Gilmore (1914). It is not extant. Its type specimen is UW D54. Its type locality is Alcova Quarry (UW), which is in a Kimmeridgian/Tithonian terrestrial horizon in the Morrison Formation of Wyoming.

It was considered a nomen dubium by Maidment et al. (2008).
Stegosaurus sulcatus was named by Marsh (1879). Its type specimen is USNM 4937. Its type locality is Quarry 13, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian crevasse splay sandstone/claystone in the Morrison Formation of Wyoming.

It was synonymized subjectively with Stegosaurus armatus by Kuhn (1964), Galton (1990) and Galton and Upchurch (2004); it was considered a nomen nudum by Maidment et al. (2008).
Omosaurus durobrivensis was named by Hulke (1887). Its type specimen is BMNH R1989, a partial skeleton, and it is not a trace fossil. Its type locality is Fletton brick pit, Peterborough (BMNH), which is in a Callovian marine horizon in the Oxford Clay Formation of the United Kingdom.

It was recombined as Stegosaurus durobrivensis by Nopcsa (1911) and Swinton (1970); it was recombined as Dacentrurus durobrivensis by Hennig (1915); it was considered a nomen dubium by Maidment et al. (2008); it was recombined as Lexovisaurus durobrivensis by Hoffstetter (1957), Kuhn (1964), Galton and Boiné (1980), Galton (1982), Galton (1983), Galton (1985), Martill (1988), Galton (1990), Galton (1990), Buffetaut et al. (1991), Casanovas-Cladellas et al. (1995), Carpenter et al. (2001), Galton and Upchurch (2004), Norman et al. (2007), Escaso et al. (2007) and Naish and Martill (2008).
Omosaurus leedsi was named by Seeley (1901). Its type specimen is SMC J.46874.

It was recombined as Dacentrurus leedsi by Hennig (1915); it was recombined as Lexovisaurus leedsi by Kuhn (1964); it was synonymized subjectively with Lexovisaurus durobrivensis by Galton (1985); it was considered a nomen nudum by Martill (1988); it was considered a nomen dubium by Maidment et al. (2008).
Wuerhosaurus ordosensis was named by Dong (1994). Its type specimen is IVPP V6877. Its type locality is SCDP Yangpo, Ordos dinosaur site, which is in a Valanginian/Albian terrestrial siltstone/sandstone in the Ejinhoro Formation of China.

It was considered a nomen dubium by Maidment et al. (2008).
Monkonosaurus was named by Zhao (1990).

It was considered a nomen dubium by Maidment and Wei (2006) and Maidment et al. (2008).

It was assigned to Oligosacralosauroidea by Zhao (1983); to Stegosaurinae by Dong (1990) and Dong (1992); and to Stegosauridae by Galton and Upchurch (2004).
Monkonosaurus lawulacus was named by Zhao (1990). Its type specimen is IVPP unnumbered, a set of postcrania, and it is not a trace fossil. Its type locality is Monko (CAS), which is in a Jurassic/Cretaceous terrestrial horizon in the Loe-ein Formation of China.

It was considered a nomen dubium by Maidment and Wei (2006); it was considered a nomen dubium by Maidment et al. (2008).

Synonymy list

Year	Name and author
1874	Craterosaurus Seeley
1874	Craterosaurus pottonensis Seeley p. 692 figs. 1-5
1876	Craterosaurus pottonensis Sauvage p. 440
1877	Stegosauria Marsh
1879	Stegosaurus sulcatus Marsh p. 415 figs. Pl. 8, fig. 4-6
1881	Stegosauria Marsh
1882	Stegosauria Marsh
1884	Stegosauria Marsh p. 68
1885	Stegosauria Lydekker p. 37
1885	Stegosauria Marsh p. 764
1887	Omosaurus durobrivensis Hulke p. 376 fig. 2
1890	Craterosaurus pottonensis Woodward and Sherborn p. 223
1890	Omosaurus durobrivensis Woodward and Sherborn p. 253
1893	Omosaurus durobrivensis Seeley p. 54
1894	Stegosauria Marsh
1895	Stegosauria Marsh
1896	Omosaurus durobrisensis Mansel-Pleydell p. 119
1896	Stegosaurus sulcatus Marsh p. 193
1896	Stegosauria Marsh p. 242
1901	Omosaurus leedsi Seeley
1902	Stegosaurus sulcatus Hay p. 496
1909	Craterosaurus Huene p. 16
1910	Omosaurus durobrivensis Lull p. 376
1911	Stegosaurus durobrivensis Nopcsa p. 153
1911	Craterosaurus von Zittel p. 283
1912	Stegosauria Lull p. 210
1914	Stegosaurus sulcatus Gilmore p. 109 figs. 18, 20-21
1914	Stegosaurus longispinus Gilmore p. 111 fig. 66
1915	Dacentrurus durobrivensis Hennig p. 11
1915	Dacentrurus leedsi Hennig p. 11
1915	Stegosauria Lull p. 117
1915	Stegosauria Matthew p. 32
1921	Stegosauria Lull p. 123
1947	Stegosauria Lapparent pp. 17-18
1956	Stegosauria Romer p. 632
1956	Craterosaurus Romer p. 634
1957	Lexovisaurus durobrivensis Hoffstetter pp. 543-545
1959	Chialingosaurus kuani Young p. 1
1960	Stegosauria Delair p. 86
1964	Stegosauria Kuhn p. 32
1964	Chialingosaurus kuani Kuhn p. 33
1964	Craterosaurus Kuhn p. 33
1964	Craterosaurus pottonensis Kuhn p. 33
1964	Lexovisaurus durobrivensis Kuhn p. 35
1964	Lexovisaurus leedsi Kuhn p. 35
1964	Stegosaurus longispinus Kuhn p. 38
1966	Craterosaurus Romer p. 370
1966	Stegosauria Romer p. 370
1970	Stegosauria Swinton p. 117
1970	Stegosaurus durobrivensis Swinton p. 241
1971	Stegosauria Thulborn p. 77 fig. 4
1973	Stegosauria Delair p. 5
1980	Lexovisaurus durobrivensis Galton and Boiné p. 31
1980	Stegosauria Ostrom p. 23
1981	Craterosaurus Galton p. 42
1981	Craterosaurus pottonensis Galton pp. 42-43
1981	Stegosauria McIntosh p. 35
1982	Stegosaurus sulcatus Galton p. 144
1982	Lexovisaurus durobrivensis Galton pp. 145-146
1983	Chialingosaurus kuani Dong et al. p. 96 figs. Pl. 32-34
1983	Lexovisaurus durobrivensis Galton p. 2
1983	Monkonosaurus Zhao p. 301
1984	Chialingosaurus kuani He p. 74
1984	Stegosauria Russell p. 29
1985	Craterosaurus Galton p. 213 fig. 11
1985	Craterosaurus pottonensis Galton p. 213 fig. 11
1985	Lexovisaurus durobrivensis Galton p. 236 figs. 4, 19, 21-22
1985	Stegosauria Maryanska and Osmólska pp. 139-141 fig. 1
1986	Stegosauria Bakker p. 461
1986	Stegosauria Sereno
1988	Craterosaurus Carroll
1988	Stegosauria Carroll
1988	Lexovisaurus durobrivensis Martill p. 180
1990	Stegosauria Benton p. 19
1990	Chialingosaurus kuani Dong p. 260
1990	Monkonosaurus Dong p. 264
1990	Monkonosaurus lawulacus Dong p. 264
1990	Chialingosaurus kuani Galton
1990	Craterosaurus Galton
1990	Craterosaurus pottonensis Galton
1990	Lexovisaurus durobrivensis Galton
1990	Stegosauria Galton
1990	Stegosaurus longispinus Galton
1990	Lexovisaurus durobrivensis Galton pp. 185-186
1990	Monkonosaurus Zhao
1990	Monkonosaurus lawulacus Zhao
1991	Lexovisaurus durobrivensis Buffetaut et al. p. 24
1992	Chialingosaurus kuani Dong p. 85
1992	Monkonosaurus Dong p. 166
1992	Monkonosaurus lawulacus Dong p. 166
1994	Wuerhosaurus ordosensis Dong pp. 2174-2176 figs. 1-2
1994	Craterosaurus Galton p. 265
1995	Lexovisaurus durobrivensis Casanovas-Cladellas et al. p. 282
1998	Craterosaurus Blows p. 33
1998	Craterosaurus pottonensis Blows p. 33
1998	Stegosauria Sereno p. 61
1999	Stegosauria Sereno p. 2138 fig. 2
2001	Stegosaurus sulcatus Blows pp. 138-139
2001	Craterosaurus Blows p. 139
2001	Craterosaurus pottonensis Blows p. 139
2001	Stegosaurus longispinus Carpenter et al. p. 70
2001	Chialingosaurus kuani Carpenter et al. p. 73
2001	Lexovisaurus durobrivensis Carpenter et al. p. 73
2003	Craterosaurus pottonensis Pereda Suberbiola et al. p. 147
2003	Monkonosaurus lawulacus Pereda Suberbiola et al. p. 147
2003	Wuerhosaurus ordosensis Pereda Suberbiola et al. p. 147
2004	Chialingosaurus kuani Galton and Upchurch p. 344
2004	Craterosaurus Galton and Upchurch p. 344
2004	Craterosaurus pottonensis Galton and Upchurch p. 344
2004	Lexovisaurus durobrivensis Galton and Upchurch p. 344
2004	Stegosauria Galton and Upchurch p. 344
2004	Monkonosaurus Galton and Upchurch p. 345
2004	Monkonosaurus lawulacus Galton and Upchurch p. 345
2004	Stegosaurus longispinus Galton and Upchurch p. 345
2004	Wuerhosaurus ordosensis Galton and Upchurch p. 345
2004	Stegosauria Norman et al. p. 342 fig. 15.6
2004	Stegosauria Weishampel p. 323
2006	Stegosauria Chure et al. p. 237
2006	Stegosaurus longispinus Chure et al. p. 237
2006	Stegosauria Maidment et al. p. 951 fig. 8
2007	Craterosaurus Escaso et al. p. 158
2007	Lexovisaurus durobrivensis Escaso et al. p. 158
2007	Craterosaurus pottonensis Escaso et al. p. 159
2007	Stegosaurus longispinus Escaso et al. p. 371
2007	Craterosaurus pottonensis Naish and Martill p. 496
2007	Lexovisaurus durobrivensis Norman et al. p. 866
2007	Stegosauria Sánchez-Hernández et al. p. 204
2007	Monkonosaurus lawulacus Wings et al. p. 116
2007	Wuerhosaurus ordosensis Wings et al. p. 116
2008	Stegosauria Butler et al. p. 20 figs. 2-4
2008	Stegosauria Maidment et al. p. 390 fig. 11
2008	Craterosaurus Naish and Martill p. 616
2008	Craterosaurus pottonensis Naish and Martill p. 616
2008	Lexovisaurus durobrivensis Naish and Martill p. 616
2012	Stegosauria Han et al. p. 1391 fig. 14

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