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Thecodontosaurus

Reptilia

Taxonomy
Thecodontosaurus was named by Riley and Stutchbury (1836). It is the type genus of Thecodontosauridae.

It was assigned to Sauria by Riley and Stutchbury (1836); to Lacertilia by Riley and Stutchbury (1840); to Lacertinidae by d'Orbigny (1849); to Saurii by Meyer (1845) and Roemer (1856); to Thecodontia by Owen (1859), Owen (1860) and Owen (1861); to Thecodonta by Haeckel (1866); to Lacertilia by Owen (1841), Owen (1842), Quenstedt (1852) and Quenstedt (1867); to Scelidosauridae by Huxley (1870); to Theropoda by Quenstedt (1882); to Amphisauridae by Sauvage (1882), Marsh (1882), Vetter (1884), Dollo (1884), Marsh (1884) and Marsh (1884); to Anchisauridae by Nopcsa (1901); to Dinosauria by Broom (1909); to Theropoda by Broom (1913); to Pachypodosauria by Huene (1914), Huene (1914) and Huene (1914); to Theropoda by Winkler (1893) and Joleaud (1922); to Zanclodontidae by Zittel (1890) and Hay (1930); to Prosauropoda by Kuhn (1939); to Saurischia by Haughton (1919) and Huene (1940); to Anchisauridae by Marsh (1885), Lydekker (1888), Lydekker (1890), Marsh (1895), Marsh (1896), Huene (1902), Hay (1902), Sauvage (1907), von Zittel (1911), Lull (1915), Van Hoepen (1920), Van Hoepen (1920), Lull (1924), Ellenberger (1970), Steel (1970), Galton (1973), Galton (1976), Galton and Cluver (1976), Anderson and Cruickshank (1978), Attridge et al. (1985), Battail (1986) and Storrs (1993); to Thecodontosauridae by Huene (1908), Huene (1909), Fraas (1913), Huene (1914), Fraas (1914), Haughton (1918), Haughton (1924), Nopcsa (1928), Huene (1929), Bock (1952), Haughton and Brink (1954), Romer (1956), Tatarinov (1964), Romer (1966), Charig (1967), Kuhn (1971) and Benton et al. (2000); to Prosauropoda by Galton and Upchurch (2004); to Sauropodomorpha by Benton (1990), Yates (2003) and Galton (2007); and to Sauropodomorpha by Upchurch et al. (2007), Naish and Martill (2007), Smith and Pol (2007), Yates (2010), Apaldetti et al. (2011), Novas et al. (2011), Otero and Pol (2013), McPhee et al. (2015), Xing et al. (2015) and Ballell et al. (2020).

Synonyms
Synonymy list
YearName and author
1836Thecodontosaurus Riley and Stutchbury p. 398
1840Thecodontosaurus Riley and Stutchbury p. 352
1841Thecodontosaurus Owen p. 266
1842Thecodontosaurus Owen p. 153
1845Thecodontosaurus Meyer p. 282
1849Thecodontosaurus d'Orbigny p. 208
1852Thecodontosaurus Quenstedt p. 109
1856Thecodontosaurus Roemer p. 785
1859Thecodontosaurus Owen p. 140
1860Thecodontosaurus Owen p. 248
1861Thecodontosaurus Owen p. 275
1866Thecodontosaurus Haeckel p. CXXXIV
1867Thecodontosaurus Quenstedt p. 139
1870Thecodontosaurus Huxley p. 34
1882Thecodontosaurus Marsh
1882Thecodontosaurus Quenstedt p. 189
1882Thecodontosaurus Sauvage p. 36
1884Thecodontosaurus Dollo p. 298
1884Thecodontosaurus Marsh p. 69
1884Thecodontosaurus Vetter p. 363
1885Thecodontosaurus Marsh p. 765
1888Thecodontosaurus Lydekker p. 174
1890Thecodontosaurus Lydekker p. 22
1890Thecodontosaurus Zittel p. 721
1893Thecodontosaurus Winkler p. 107
1895Thecodontosaurus Marsh
1896Thecodontosaurus Marsh p. 240
1901Thecodontosaurus Nopcsa p. 198
1902Thecodontosaurus Hay p. 492
1902Thecodontosaurus Huene
1905Thecodontosaurus latespinatus Huene p. 349
1907Thecodontosaurus Sauvage p. 9
1908Thecodontosaurus latespinatus Huene p. 218 figs. 91-92
1908Thecodontosaurus Huene p. 265
1909Thecodontosaurus Broom p. 289
1909Thecodontosaurus Huene p. 13
1911Thecodontosaurus von Zittel p. 280
1913Thecodontosaurus Broom p. 364
1913Thecodontosaurus Fraas p. 1099
1914Thecodontosaurus Fraas p. 130
1914Thecodontosaurus Huene p. 12
1914Thecodontosaurus latespinatus Huene p. 12
1914Thecodontosaurus Huene p. 146
1915Thecodontosaurus Lull p. 119
1918Thecodontosaurus Haughton p. 469
1919Thecodontosaurus Haughton p. 7
1920Thecodontosaurus Van Hoepen p. 91
1922Thecodontosaurus Joleaud p. 59
1924Thecodontosaurus Haughton
1924Thecodontosaurus Lull p. 229
1928Thecodontosaurus Nopcsa p. 182
1929Thecodontosaurus Huene p. 271
1930Thecodontosaurus Hay p. 169
1938Thecodontosaurus latespinatus Schmidt p. 126
1939Thecodontosaurus Kuhn p. 61
1939Thecodontosaurus latespinatus Kuhn p. 62
1940Thecodontosaurus Huene p. 263
1952Thecodontosaurus Bock p. 406
1954Thecodontosaurus Haughton and Brink p. 4
1956Thecodontosaurus Romer p. 617
1964Thecodontosaurus Tatarinov p. 541
1966Thecodontosaurus Romer p. 370
1967Thecodontosaurus Charig p. 712
1967Thecodontosaurus latespinatus Lapparent p. 11
1970Thecodontosaurus Ellenberger p. 347
1970Thecodontosaurus Steel p. 50
1971Thecodontosaurus Kuhn p. 17
1973Thecodontosaurus Galton p. 248
1976Thecodontosaurus Galton pp. 88-89
1976Thecodontosaurus Galton and Cluver p. 137
1978Thecodontosaurus Anderson and Cruickshank p. 31
1985Thecodontosaurus Attridge et al. p. 128
1986Thecodontosaurus Battail p. 48
1990Thecodontosaurus Benton p. 19
1993Thecodontosaurus Storrs p. 448
2000Thecodontosaurus Benton et al. p. 81
2003Thecodontosaurus Yates p. 2
2004Thecodontosaurus Galton and Upchurch p. 236 fig. 12.11
2007Thecodontosaurus Galton p. 560
2007Thecodontosaurus Naish and Martill p. 493
2007Thecodontosaurus Smith and Pol p. 668 fig. 7
2007Thecodontosaurus Upchurch et al. p. 62 fig. 3
2010Thecodontosaurus Yates p. 750
2011Thecodontosaurus Apaldetti et al. p. 16 fig. 13
2011Thecodontosaurus Novas et al. p. 341 fig. 4
2013Thecodontosaurus Otero and Pol
2015Thecodontosaurus McPhee et al. p. 19 fig. 12
2015Thecodontosaurus Xing et al.
2020Thecodontosaurus Ballell et al. p. 2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
RankNameAuthor
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Eusaurischia
—Sauropodomorpha(Huene 1932)
genusThecodontosaurus

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. †Thecodontosaurus Riley and Stutchbury 1836
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†Thecodontosaurus minimus Ellenberger 1970
Invalid names: Thecodontosaurus latespinatus Huene 1905 [nomen vanum], Thecodontosaurus subcylindrodon Huene 1905 [nomen vanum]
Diagnosis
ReferenceDiagnosis
H. Riley and S. Stutchbury 1836The genus Thecodontosaurus is likewise founded on the structure of the teeth, and their having been deposited in distinct alveoli.
H. Riley and S. Stutchbury 1840Under these circumstances we consider our animal to be a new genus, and shall found it upon its being a Lizard with alveoli in its jaws.