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Stegosauria
Taxonomy
Stegosauria was named by Marsh (1877). It is not extant. It was considered monophyletic by Maidment et al. (2008).
It was reranked as the infraorder Stegosauria by Quenstedt (1882), Van Den Broeck (1900) and Ulansky (2014); it was reranked as the order Stegosauria by Dollo (1885) and Bakker and Galton (1974); it was synonymized subjectively with Ornithopoda by Lydekker (1888); it was reranked as the superfamily Stegosauria by Zittel (1890) and Woodward (1898); it was reranked as the infraorder Stegosauri by Gadow (1897); it was corrected as Stegosauri by Gadow (1898), Gadow (1901) and Perrier (1928); it was synonymized subjectively with Stegosauroidea by Hay (1902); it was synonymized subjectively with Stegosauroidae by Hay (1930); it was reranked as the family Stegosauria by Huene (1954); it was reranked as the unranked clade Stegosauria by Baur (1887), Buchholz (2002), Sánchez-Hernández et al. (2007), Butler et al. (2008), Maidment et al. (2008), Han et al. (2012), Dieudonné et al. (2020) and Zafaty et al. (2024).
It was assigned to Reptilia by Marsh (1877) and Marsh (1877); to Dinosauri by Quenstedt (1882); to Dinosauria by Marsh (1881), Marsh (1882), Dollo (1884), Marsh (1885) and Lydekker (1885); to Dinosauria by Marsh (1884), Dollo (1885) and Winkler (1893); to Predentata by Marsh (1894), Marsh (1895) and Marsh (1896); to Ornithopoda by Woodward (1898); to Orthopoda by Baur (1887), Zittel (1890), Gadow (1897), Van Den Broeck (1900) and Lull (1912); to Praedentata by Hennig (1915); to Orthopoda by Gadow (1898), Gadow (1901) and Perrier (1928); to Enoplosauria by Swinton (1970); to Ornithischia by Bakker and Galton (1974); to Orbitoscuta by Bakker (1986); to Ornithischia by Lull (1915), Matthew (1915), Lull (1921), Lull (1924), Roxo (1937), Kuhn (1946), Lapparent (1947), Romer (1956), Delair (1960), Parsch (1963), Tatarinov (1964), Kuhn (1964), Kuhn (1966), Romer (1966), Charig (1967), Thulborn (1971), Delair (1973), Krebs (1974), Bonaparte (1978), Benton (1979), Ostrom (1980), McIntosh (1981), McGinnis (1982), Russell (1984), Maryanska and Osmólska (1985), Carroll (1988), Galton (1990) and Chure et al. (2006); 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); to Thyreophora by Huene (1954), Weishampel (2004), Butler et al. (2008) and Ulansky (2014); to Thyreophora by Buchholz (2002), Sánchez-Hernández et al. (2007), Han et al. (2012) and Dieudonné et al. (2020); and to Ornithischia by Swinton (1934) and Zafaty et al. (2024).
It was reranked as the infraorder Stegosauria by Quenstedt (1882), Van Den Broeck (1900) and Ulansky (2014); it was reranked as the order Stegosauria by Dollo (1885) and Bakker and Galton (1974); it was synonymized subjectively with Ornithopoda by Lydekker (1888); it was reranked as the superfamily Stegosauria by Zittel (1890) and Woodward (1898); it was reranked as the infraorder Stegosauri by Gadow (1897); it was corrected as Stegosauri by Gadow (1898), Gadow (1901) and Perrier (1928); it was synonymized subjectively with Stegosauroidea by Hay (1902); it was synonymized subjectively with Stegosauroidae by Hay (1930); it was reranked as the family Stegosauria by Huene (1954); it was reranked as the unranked clade Stegosauria by Baur (1887), Buchholz (2002), Sánchez-Hernández et al. (2007), Butler et al. (2008), Maidment et al. (2008), Han et al. (2012), Dieudonné et al. (2020) and Zafaty et al. (2024).
It was assigned to Reptilia by Marsh (1877) and Marsh (1877); to Dinosauri by Quenstedt (1882); to Dinosauria by Marsh (1881), Marsh (1882), Dollo (1884), Marsh (1885) and Lydekker (1885); to Dinosauria by Marsh (1884), Dollo (1885) and Winkler (1893); to Predentata by Marsh (1894), Marsh (1895) and Marsh (1896); to Ornithopoda by Woodward (1898); to Orthopoda by Baur (1887), Zittel (1890), Gadow (1897), Van Den Broeck (1900) and Lull (1912); to Praedentata by Hennig (1915); to Orthopoda by Gadow (1898), Gadow (1901) and Perrier (1928); to Enoplosauria by Swinton (1970); to Ornithischia by Bakker and Galton (1974); to Orbitoscuta by Bakker (1986); to Ornithischia by Lull (1915), Matthew (1915), Lull (1921), Lull (1924), Roxo (1937), Kuhn (1946), Lapparent (1947), Romer (1956), Delair (1960), Parsch (1963), Tatarinov (1964), Kuhn (1964), Kuhn (1966), Romer (1966), Charig (1967), Thulborn (1971), Delair (1973), Krebs (1974), Bonaparte (1978), Benton (1979), Ostrom (1980), McIntosh (1981), McGinnis (1982), Russell (1984), Maryanska and Osmólska (1985), Carroll (1988), Galton (1990) and Chure et al. (2006); 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); to Thyreophora by Huene (1954), Weishampel (2004), Butler et al. (2008) and Ulansky (2014); to Thyreophora by Buchholz (2002), Sánchez-Hernández et al. (2007), Han et al. (2012) and Dieudonné et al. (2020); and to Ornithischia by Swinton (1934) and Zafaty et al. (2024).
Subtaxa
Adratiklit, Amargastegos, Bashanosaurus, Chialingosaurus, Chialingosaurus kuani (syn. Chialingosaurus chuhsienensis), Craterosaurus, Deltapodus, Eoplophysis, Euscelosaurus, Ferganastegos, Garbina, Huayangosauridae, Huayangosaurus, Isaberrysaura, Kentrosaurus (syn. Doryphorosaurus, Kentrurosaurus), Lexovisaurus durobrivensis, Luluichnus, Monkonosaurus, Omosaurus leedsi, Paranthodon, Regnosaurus, Rigalitidae, Saldamosaurus, Stegopodus, Stegosauridae (syn. Omosauridae, Hypsirhophidae), Thyreosaurus, Tuojiangosaurus, Wuerhosaurus ordosensis
Synonyms
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Synonymy list
Year | Name and author |
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1848 | Regnosaurus Mantell pp. 198-199 |
1848 | Regnosaurus northamptoni Mantell p. 199 |
1851 | Regnosaurus northamptoni Mantell p. 333 |
1853 | Regnosaurus Pictet p. 474 |
1853 | Regnosaurus northamptoni Pictet p. 474 |
1854 | Regnosaurus northamptoni Mantell p. 705 |
1874 | Craterosaurus Seeley |
1874 | Craterosaurus pottonensis Seeley p. 692 |
1876 | Craterosaurus pottonensis Sauvage p. 440 |
1877 | Stegosauria Marsh |
1881 | Stegosauria Marsh |
1882 | Stegosauria Marsh |
1882 | Stegosauria Quenstedt p. 188 |
1884 | Stegosauria Dollo p. 298 |
1884 | Stegosauria Marsh p. 68 |
1885 | Stegosauria Dollo p. 35 |
1885 | Stegosauria Lydekker p. 37 |
1885 | Stegosauria Marsh p. 764 |
1887 | Stegosauria Baur p. 101 |
1887 | Omosaurus durobrivensis Hulke p. 376 |
1888 | Regnosaurus Lydekker p. 53 |
1888 | Regnosaurus northamptoni Lydekker p. 184 |
1890 | Craterosaurus pottonensis Woodward and Sherborn p. 223 |
1890 | Omosaurus durobrivensis Woodward and Sherborn p. 253 |
1890 | Regnosaurus northamptoni Woodward and Sherborn p. 280 |
1890 | Craterosaurus Zittel p. 727 |
1890 | Stegosauria Zittel p. 740 |
1890 | Regnosaurus Zittel p. 743 |
1890 | Omosaurus durobrivensis Zittel p. 748 |
1893 | Omosaurus durobrivensis Seeley p. 54 |
1893 | Stegosauria Winkler p. 104 |
1894 | Stegosauria Marsh |
1895 | Stegosauria Marsh |
1896 | Omosaurus durobrisensis Mansel-Pleydell p. 119 |
1896 | Stegosauria Marsh p. 242 |
1897 | Stegosauri Gadow p. 205 |
1898 | Stegosauri Gadow p. 22 |
1898 | Stegosauria Woodward p. 209 |
1900 | Regnosaurus northamptoni Van Den Broeck p. 85 |
1900 | Stegosauria Van Den Broeck p. 85 |
1901 | Stegosauri Gadow p. 425 |
1901 | Craterosaurus Nopcsa p. 199 |
1901 | Craterosaurus pottoniensis Nopcsa p. 199 |
1901 | Omosaurus durobrivensis Nopcsa p. 214 |
1901 | Regnosaurus Nopcsa p. 215 |
1901 | Regnosaurus northamptoni Nopcsa p. 215 |
1901 | Omosaurus leedsi Seeley |
1909 | Craterosaurus Huene p. 16 |
1909 | Regnosaurus Huene p. 17 |
1910 | Omosaurus vetustus Huene p. 76 fig. 7 |
1910 | Omosaurus durobrivensis Lull p. 376 |
1911 | Stegosaurus durobrinensis Nopcsa p. 40 |
1911 | Omosaurus vetustus Nopcsa p. 42 |
1911 | Craterosaurus von Zittel p. 283 |
1911 | Regnosaurus von Zittel p. 295 |
1912 | Stegosauria Lull p. 210 |
1915 | Stegosauria Hennig p. 10 |
1915 | Dacentrurus durobrivensis Hennig p. 11 |
1915 | Dacentrurus leedsi Hennig p. 11 |
1915 | Dacentrurus vetustus Hennig p. 12 |
1915 | Regnosaurus Hennig p. 14 |
1915 | Regnosaurus northamptoni Hennig p. 14 |
1915 | Stegosauria Lull p. 117 |
1915 | Stegosauria Matthew p. 32 |
1921 | Stegosauria Lull p. 123 |
1924 | Stegosauria Lull p. 241 |
1924 | Omosaurus durobrivensis Lull p. 242 |
1928 | Craterosaurus Nopcsa p. 185 |
1928 | Stegosauri Perrier p. 3118 |
1934 | Stegosauria Swinton p. 45 |
1937 | Stegosauria Roxo p. 44 |
1939 | Omosaurus durobrivensis Kuhn p. 113 |
1946 | Stegosauria Kuhn p. 66 |
1947 | Stegosauria Lapparent pp. 17-18 |
1954 | Stegosauria Huene p. 51 |
1956 | Omosaurus durobrivensis Leeds p. 35 |
1956 | Stegosauria Romer p. 632 |
1956 | Craterosaurus Romer p. 634 |
1957 | Lexovisaurus durobrivensis Hoffstetter pp. 543-545 |
1957 | Omosaurus vetustus Hoffstetter pp. 543-544 |
1959 | Chialingosaurus Young pp. 1-2 figs. 1-6 |
1959 | Chialingosaurus kuani Young pp. 1-2 figs. 1-6 |
1959 | Chialingosaurus chuhsienensis Young p. 1154 |
1960 | Stegosauria Delair p. 86 |
1963 | Stegosauria Parsch p. 4 |
1964 | Stegosauria Kuhn p. 32 |
1964 | Chialingosaurus Kuhn p. 33 |
1964 | Chialingosaurus kuani Kuhn p. 33 |
1964 | Craterosaurus Kuhn p. 33 |
1964 | Craterosaurus pottonensis Kuhn p. 33 |
1964 | Dacentrurus vetustus Kuhn p. 35 |
1964 | Lexovisaurus durobrivensis Kuhn p. 35 |
1964 | Lexovisaurus leedsi Kuhn p. 35 |
1964 | Hylaeosaurus northamptoni Kuhn p. 41 |
1964 | Stegosauria Tatarinov p. 572 |
1964 | Chialingosaurus Tatarinov p. 573 |
1964 | Craterosaurus Tatarinov p. 573 |
1966 | Stegosauria Kuhn p. 104 |
1966 | Chialingosaurus Romer p. 370 |
1966 | Craterosaurus Romer p. 370 |
1966 | Stegosauria Romer p. 370 |
1967 | Craterosaurus Charig p. 715 |
1967 | Craterosaurus pottoniensis Charig p. 715 |
1967 | Dacentrurus vetustus Charig p. 715 |
1967 | Hylaeosaurus northamptoni Charig p. 715 |
1967 | Lexovisaurus durobrivensis Charig p. 715 |
1967 | Stegosauria Charig p. 715 |
1970 | Stegosauria Swinton p. 117 |
1970 | Stegosaurus durobrivensis Swinton p. 241 |
1970 | Chialingosaurus Swinton p. 244 |
1971 | Stegosauria Thulborn p. 77 fig. 4 |
1973 | Stegosauria Delair p. 5 |
1974 | Stegosauria Bakker and Galton p. 171 |
1974 | Stegosauria Krebs p. 22 |
1978 | Stegosauria Bonaparte p. 331 |
1979 | Stegosauria Benton p. 143 |
1980 | Lexovisaurus durobrivensis Galton and Boiné p. 31 |
1980 | Lexovisaurus vetustus Galton et al. p. 41 |
1980 | Stegosauria Ostrom p. 23 |
1981 | Craterosaurus Galton p. 42 |
1981 | Craterosaurus pottonensis Galton pp. 42-43 |
1981 | Stegosauria McIntosh p. 35 |
1982 | Lexovisaurus durobrivensis Galton pp. 145-146 |
1982 | Stegosauria McGinnis p. 29 |
1983 | Chialingosaurus Dong et al. p. 95 |
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 He p. 74 |
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 | Lexovisaurus vetustus Galton p. 246 fig. 15 |
1985 | Stegosauria Maryanska and Osmólska pp. 139-141 fig. 1 |
1985 | Chialingosaurus kuani Zhao p. 289 |
1986 | Stegosauria Bakker p. 461 |
1986 | Stegosauria Sereno |
1986 | Monkonosaurus lawulacus Ye et al. p. 203 |
1986 | Monkonosaurus Zhao p. 69 |
1986 | Monkonosaurus lawulacus Zhao p. 69 |
1986 | Chialingosaurus Zhou p. 36 |
1988 | Chialingosaurus Carroll |
1988 | Craterosaurus Carroll |
1988 | Stegosauria Carroll |
1988 | Lexovisaurus durobrivensis Martill p. 180 |
1990 | Stegosauria Benton p. 19 |
1990 | Chialingosaurus Dong p. 260 |
1990 | Chialingosaurus kuani Dong p. 260 |
1990 | Monkonosaurus Dong p. 264 |
1990 | Monkonosaurus lawulacus Dong p. 264 |
1990 | Chialingosaurus Galton |
1990 | Chialingosaurus kuani Galton |
1990 | Craterosaurus Galton |
1990 | Craterosaurus pottonensis Galton |
1990 | Lexovisaurus durobrivensis Galton |
1990 | Stegosauria Galton |
1990 | Lexovisaurus durobrivensis Galton pp. 185-186 |
1991 | Lexovisaurus durobrivensis Buffetaut et al. p. 24 |
1992 | Regnosaurus northamptoni Cheevely and Chapman p. 334 |
1992 | Chialingosaurus kuani Dong p. 85 |
1992 | Chialingosaurus Dong p. 166 |
1992 | Monkonosaurus Dong p. 166 |
1992 | Monkonosaurus lawulacus Dong p. 166 |
1993 | Chialingosaurus Olshevsky and Ford |
1993 | Chialingosaurus kuani Olshevsky and Ford |
1993 | Lexovisaurus durobrivensis Olshevsky and Ford |
1993 | Monkonosaurus Olshevsky and Ford |
1993 | Monkonosaurus lawulacus Olshevsky and Ford |
1993 | Regnosaurus Olshevsky and Ford |
1993 | Regnosaurus northamptoni Olshevsky and Ford |
1994 | Wuerhosaurus ordosensis Dong pp. 2174-2176 figs. 1-2 |
1994 | Craterosaurus Galton p. 265 |
1995 | Lexovisaurus durobrivensis Casanovas-Cladellas et al. p. 282 |
1997 | Regnosaurus Norman p. 785 |
1997 | Regnosaurus northamptoni Norman p. 785 |
1997 | Lexovisaurus durobrivensis Smith p. 509 |
1998 | Craterosaurus Blows p. 33 |
1998 | Craterosaurus pottonensis Blows p. 33 |
1998 | Regnosaurus Blows p. 33 |
1998 | Regnosaurus northamptoni Blows p. 33 |
1998 | Stegosauria Sereno p. 61 |
1999 | Chialingosaurus guangyuanensis Li et al. |
1999 | Stegosauria Sereno p. 2138 fig. 2 |
2001 | Regnosaurus Blows p. 137 |
2001 | Regnosaurus northamptoni Blows p. 137 |
2001 | Craterosaurus Blows p. 139 |
2001 | Craterosaurus pottonensis Blows p. 139 |
2001 | Chialingosaurus Carpenter et al. p. 73 fig. 3.14 |
2001 | Chialingosaurus kuani Carpenter et al. p. 73 |
2001 | Lexovisaurus durobrivensis Carpenter et al. p. 73 |
2001 | Regnosaurus Pereda Suberbiola and Galton p. 151 |
2001 | Regnosaurus northamptoni Pereda Suberbiola and Galton p. 151 |
2002 | Stegosauria Buchholz p. 20 |
2003 | Craterosaurus pottonensis Pereda Suberbiola et al. p. 147 |
2003 | Monkonosaurus lawulacus Pereda Suberbiola et al. p. 147 |
2003 | Regnosaurus northamptoni Pereda Suberbiola et al. p. 147 |
2003 | Wuerhosaurus ordosensis Pereda Suberbiola et al. p. 147 |
2003 | Wuerhosaurus ordosensis Ruiz-Omeñaca and Canudo p. 294 |
2004 | Chialingosaurus Galton and Upchurch p. 344 |
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 | 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 | Chialingosaurus kuani Jiang p. 11 |
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 | 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 | Regnosaurus northamptoni Naish and Martill p. 615 |
2008 | Craterosaurus Naish and Martill p. 616 |
2008 | Craterosaurus pottonensis Naish and Martill p. 616 |
2008 | Lexovisaurus durobrivensis Naish and Martill p. 616 |
2009 | Craterosaurus pottonensis Galton p. 246 |
2011 | Chialingosaurus Li et al. p. 24 |
2011 | Chialingosaurus kuani Li et al. p. 24 |
2012 | Stegosauria Han et al. p. 1391 fig. 14 |
2013 | Chialingosaurus kuani Pereda-Suberbiola et al. p. 70 |
2013 | Regnosaurus Pereda-Suberbiola et al. p. 73 |
2013 | Lexovisaurus durobrivensis Ruiz-Omeñaca et al. p. 39 |
2014 | Regnosaurus northamptoni Blows and Honeysett p. 838 |
2014 | Stegosauria Ulansky p. 4 |
2014 | Amargastegos Ulansky p. 5 |
2014 | Amargastegos brevicollus Ulansky p. 5 |
2014 | Chialingosaurus Ulansky p. 5 |
2014 | Chialingosaurus kuani Ulansky p. 5 |
2014 | Craterosaurus Ulansky p. 5 |
2014 | Craterosaurus pottonensis Ulansky p. 5 |
2014 | Eoplophysis Ulansky p. 5 |
2014 | Eoplophysis vetustus Ulansky p. 5 |
2014 | Ferganastegos Ulansky p. 5 |
2014 | Ferganastegos callovicus Ulansky p. 5 |
2014 | Monkonosaurus Ulansky p. 5 |
2014 | Monkonosaurus lawulacus Ulansky p. 5 |
2014 | Lexovisaurus durobrivensis Ulansky p. 6 |
2014 | Regnosaurus Ulansky p. 6 |
2014 | Regnosaurus northamptoni Ulansky p. 6 |
2014 | Saldamosaurus Ulansky p. 7 |
2014 | Saldamosaurus tuvensis Ulansky p. 7 |
2014 | Wuerhosaurus ordosensis Ulansky p. 8 |
2014 | Eoplophysis Ulansky p. 13 |
2014 | Eoplophysis vetustus Ulansky p. 13 |
2014 | Lexovisaurus durobrivensis Ulansky p. 13 |
2014 | Chialingosaurus kuani Ulansky p. 15 |
2014 | Ferganastegos Ulansky p. 15 |
2014 | Ferganastegos callovicus Ulansky p. 15 |
2014 | Chialingosaurus guangyuanensis Ulansky p. 17 |
2014 | Saldamosaurus Ulansky p. 18 |
2014 | Saldamosaurus tuvensis Ulansky p. 18 |
2014 | Regnosaurus northamptoni Ulansky p. 22 |
2014 | Amargastegos Ulansky p. 23 |
2014 | Amargastegos brevicollus Ulansky p. 23 |
2014 | Wuerhosaurus ordosensis Ulansky p. 23 |
2014 | Monkonosaurus lawulacus Ulansky p. 25 |
2016 | Chialingosaurus kuani Borinder et al. p. 64 |
2016 | Wuerhosaurus ordosensis Borinder et al. p. 65 |
2016 | Monkonosaurus lawulacus Borinder et al. p. 67 |
2017 | Wuerhosaurus ordosensis Chen p. 155 |
2018 | Chialingosaurus kauni Hao et al. p. 431 |
2018 | Wuerhosaurus ordosensis Lockley et al. p. 151 |
2018 | Wuerhosaurus ordosensis Xing et al. p. 2 |
2020 | Stegosauria Dieudonné et al. |
2024 | Stegosauria Zafaty et al. p. 347 |
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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.
Unr. †Stegosauria Marsh 1877
show all | hide all
G. †Deltapodus Whyte and Romano 1995
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†Deltapodus brodricki Whyte and Romano 1995
†Deltapodus curriei Xing et al. 2013
†Deltapodus ibericus Cobos and Royo-Torres 2010
G. †Euskelesaurus Huxley 1866
G. †Kentrosaurus Hennig 1915
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†Kentrosaurus aethiopicus Hennig 1915
Invalid names: Doryphorosaurus Nopcsa 1916 [synonym], Kentrurosaurus Hennig 1916 [synonym]
G. †Paranthodon Nopcsa 1929
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†Paranthodon africanus Broom 1912
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Invalid names: Paranthodon owenii Nopcsa 1929 [synonym], Paranthodon owenii Nopcsa 1929 [synonym]
Fm. †Stegosauridae Marsh 1880
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Subfm. †Dacentrurinae Olshevsky and Ford 1993
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G. †Dacentrurus Lucas 1902
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†Dacentrurus armatus Marsh 1877
Invalid names: Omosaurus Owen 1875 [replaced], Omosaurus lennieri Nopcsa 1911 [nomen dubium]
G. †Miragaia Mateus et al. 2009
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†Miragaia longicollum Mateus et al. 2009
†Miragaia longispinus Gilmore 1914
Invalid names: Alcovasaurus Galton and Carpenter 2016 [synonym], Natronasaurus Ulansky 2014 [synonym]
Subfm. †Huayangosaurinae Dong et al. 1982
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G. †Chungkingosaurus Dong et al. 1983
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†Chungkingosaurus jiangbeiensis Dong et al. 1983
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Invalid names: Chungkingosaurus giganticus Ulansky 2014 [synonym], Chungkingosaurus magnus Ulansky 2014 [synonym]
G. †Mongolostegus Tumanova and Alifanov 2018
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†Mongolostegus exspectabilis Tumanova and Alifanov 2018
G. †Priodontosaurus Romer 1966
G. †Sauraechmodon
G. †Stegosaurus Marsh 1877
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†Stegosaurus armatus Marsh 1877
†Stegosaurus duplex Marsh 1887
†Stegosaurus stenops Marsh 1887
†Stegosaurus sulcatus Marsh 1887
†Stegosaurus ungulatus Marsh 1879
Invalid names: Diracodon Marsh 1881 [synonym], Hypsirophus Cope 1878 [synonym], Stegosaurus affinis Marsh 1881 [nomen nudum], Stegosaurus armatus Marsh 1877 [nomen dubium], Wuerhosaurus Dong 1973 [synonym]
Invalid names: Hypsirhophidae Cope 1891 [synonym], Kentrosaurinae Nopcsa 1923 [empty], Kentrurosaurinae Nopcsa 1923 [empty], Lexovisaurus Hoffstetter 1957 [nomen dubium], Omosauridae Lydekker 1888 [synonym], Scelidosaurinae Nopcsa 1923 [empty], Siamodracon Ulansky 2014 [nomen dubium], Stegosaurinae Nopcsa 1917 [empty], Wuerhosaurus mongoliensis Ulansky 2014 [nomen dubium]
Invalid names: Amargastegos Ulansky 2014 [nomen dubium], Chialingosaurus Young 1959 [nomen dubium], Chialingosaurus kuani Young 1959 [nomen dubium], Craterosaurus Seeley 1874 [nomen dubium], Eoplophysis Ulansky 2014 [nomen dubium], Ferganastegos Ulansky 2014 [nomen dubium], Huayangosauridae Dong et al. 1982 [empty], Lexovisaurus durobrivensis Hulke 1887 [nomen dubium], Monkonosaurus Zhao 1986 [nomen dubium], Omosaurus leedsi Seeley 1901 [nomen dubium], Regnosaurus Mantell 1848 [nomen dubium], Rigalitidae Kuhn 1961 [empty], Saldamosaurus Ulansky 2014 [nomen dubium], Wuerhosaurus ordosensis Dong 1994 [nomen dubium]
Diagnosis
Reference | Diagnosis | |
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K. A. v. Zittel 1890 | Wirbel platycöl oder amphieöl und wie die Extremitäten-knochen massiv, ohne innere Hohlräume. Schädel ohne Hörner. Vorderbeine sehr kurz, Hinterbeine ungemein kräftig, hoch. Schambein mit Postpubis. Füsse plantigrad, mit hufartigen Endphalangen. Hautskelet sehr stark entwickelt, aus langen Stacheln und Knochenplatten bestehend; zuweilen einen geschlossenen Rückenpanzer bildend. | |
H. Gadow 1898 | Plantigrade. With dermal armour. | |
H. Gadow 1901 | The fore- and hind-feet are plantigrade, or nearly so, the metapodials being but little elongated, with more than three functional digits. The bones of the limbs are solid. The ribs of the trunk are bifurcated, and are carried by the diapophyses of the neural arches. The body, especially the back, is protected by dermal bony plates, which are not connected with the internal skeleton. | |
R. S. Lull 1924 | Armored quadrupedal dinosaurs; skull small, with anterior part of mouth toothless; functional teeth in single row; large, forwardly placed, anterior nares, but small infraorbital fenestrae; upper temporal fenestra lacking in the Nodosauridae (Ankylosauridae}, with their broad, heavily armored skull; vertebrae amphicoelous or platycoelous and, together with extremities, very massive; fore limbs shorter than hind; feet semi-plantigrade, digits three to five, with short, hoof-like unguals; dermal armor very strongly developed, which has compelled the assumption of the quadrupedal posture as a secondary adaptation for the carrying of the great weight of the armor. | |
E. Perrier 1928 | Plantigrades; métapodes peu allongés; plus de trois doigts fonctionnels; os des membres pleins ; côtes du tronc bifurquées, portées par des diapophyses ; des arcs neuraux. Dos protégé par des plaques osseuses dermiques, parfois verticales, indépendantes du squelette interne. | |
S. C. R. Maidment et al. 2008 | All eurypods more closely related to Stegosaurus than to Ankylosaurus (Sereno 1998).
Unambiguous synapomorphies: • Triceps tubercle and descending ridge posterolateral to the deltopectoral crest of humerus present • Fourth trochanter absent or indistinct in adults • Two parasagittal rows of plates or spines extending from the cervical region to the end of the tail present Additional synapomorphies using ACCTRAN: • Oval fossa/fenestra present on pterygoid flange of quadrate (equivocal in Gigantspinosaurus) • Quadrate head strongly compressed transversely (equivocal in Gigantspinosaurus) • Pedal digit III has two or fewer phalanges (equivocal in all stegosaurs except Stegosaurinae) Additional synapomorphies using DELTRAN: • Presence of a supra-acetabular flange of the ilium (convergent in Scelidosaurus) |
Measurements
part | N | mean | |||||
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scapula diameter | 1 | 740.0 |
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Source: g = genus, o = order | |||||
References: Peczkis 1995, Marsh 1875 |
Age range: base of the Middle Jurassic to the top of the Late/Upper Maastrichtian or 174.70000 to 66.00000 Ma
Collections (277 total)
Oldest occurrences | |||
Time interval | Ma | Country or state | Original ID and collection number |
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Toarcian | China (Sichuan) | Stegosauria indet. (140254) | |
Middle Jurassic | China (Xizang Zizhiqu) | Changdusaurus laminaplacodus (53673) | |
Middle Jurassic | Australia (Queensland) | Dinosauria indet. (60755) | |
Middle Jurassic | China (Xizang Autonomous Region) | Deltapodus sp. (230808) | |
Middle Jurassic | China (Shaanxi) | Deltapodus sp. (182636) | |
Aalenian | United Kingdom (England) | Deltapodus sp. (52006) Sauropoda indet. (61677) Stegosauria indet. (170146) | |
Early/Lower Bajocian | Argentina (Neuquén) | Isaberrysaura mollensis (184943) | |
Bajocian | China (Yunnan) | Stegopodus sp. (229405) | |
Bajocian - Oxfordian | China (Sichuan) | Stegosauria indet., Huayangosaurus taibaii (24883) | |
Bathonian | Morocco (Figuig) | Stegosauria indet. (176120) | |
Youngest occurrences |
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Time interval | Ma | Country or state | PBDB collection number |
Aptian | Japan (Fukui) | Stegosauridae indet. (38020) | |
Aptian - Albian | Mongolia (Dornogov) | Wuerhosaurus mongoliensis, Mongolostegus exspectabilis (32362) | |
Aptian - Albian | Laos (Savannakhet) | Stegosauria indet. (130271) | |
Late/Upper Aptian - Albian | China (Xinjiang) | Wuerhosaurus homheni (49047 49817) | |
Early/Lower Aptian | United Kingdom (England) | Craterosaurus pottonensis (36581) | |
Late/Upper Albian - Early/Lower Cenomanian | Niger (Agadez) | Acanthopholidae indet. (25221) | |
Late/Upper Cretaceous | Kazakhstan (Ongtustik Qazaqstan) | Nodosauridae indet. (58750) | |
Early/Lower Cenomanian | USA (Utah) | Stegosaurus sp. (31193) | |
Maastrichtian | India (Gujarat) | Sauropoda indet. (61608) | |
Late/Upper Maastrichtian | India (Tamil Nadu) | Stegosauria indet. (53922) |