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Camptosaurus

Reptilia

Taxonomy
Camptosaurus was named by Marsh (1885).

It was assigned to Ornithopoda by Gadow (1897); to Ornithopoda by Marsh (1894), Gadow (1898) and Gadow (1901); to Camptosauridae by Nopcsa (1901); to Kalodontidae by Nopcsa (1902); to Orthopoda by Joleaud (1922); to Camptosaurinae by Nopcsa (1928), Huene (1934) and Huene (1934); to Iguanodontoidea by Norman (1984); to Iguanodontia by Norman (1989); to Iguanodontidae by Lydekker (1888), Lydekker (1889), Mansel-Pleydell (1902), Tornier (1913), Matthew (1915), Swinton (1936), Swinton (1936), Lapparent (1947), Romer (1956), Parsch (1963), Tatarinov (1964), Kuhn (1964), Romer (1966), Charig (1967), Swinton (1970), Galton (1974), Galton (1974), Galton (1977), Madsen and Miller (1979), McIntosh (1981), Bartholomai and Molnar (1981), Weishampel and Weishampel (1983), Milner and Norman (1984), Russell (1984), Carroll (1988) and Miller et al. (1991); to Styracosterna by McDonald et al. (2010); to Camptosauridae by Marsh (1885), Dollo (1889), Zittel (1890), Winkler (1893), Marsh (1895), Marsh (1896), Van Den Broeck (1900), Hay (1902), Huene (1909), von Zittel (1911), Lull (1924), Gilmore (1925), Hay (1930), Thulborn (1974), Galton and Jensen (1979), Norman and Weishampel (1990), Chure et al. (1994), Sereno (1997), Sereno (1998), Mateus and Antunes (2001), Chure et al. (2006), Pereda Suberbiola et al. (2006), Naish and Martill (2007), Ruiz-Omeñaca et al. (2007), Butler et al. (2008), Galton (2009), Ruiz-Omeñaca et al. (2010) and Diedrich (2011); to Iguanodontia by Wang et al. (2011); to Dryomorpha by Weishampel and Heinrich (1992) and Herne et al. (2019); and to Ankylopollexia by Sereno (1986), Benton (1990), Godefroit et al. (1998), Buchholz (2002), Norman (2004), McDonald et al. (2010), Rich et al. (2010), McDonald (2012), Norman (2014), Madzia et al. (2018), Carpenter and Galton (2018), Dieudonné et al. (2020) and Verdú et al. (2021).

Synonyms
Synonymy list
YearName and author
1878Symphyrophus Cope
1878Brachyrophus Cope pp. 390-391
1879Camptonotus Marsh pp. 501-503 figs. 1, Pl. 3
1882Camptonotus Dollo
1882Camptonotus Marsh
1882Camptonotus Quenstedt p. 188
1882Camptonotus Sauvage p. 35
1884Camptonotus Dollo p. 298
1884Camptonotus Marsh p. 68
1885Camptosaurus Marsh p. 169
1888Camptosaurus Lydekker pp. 47-50
1889Camptosaurus Dollo p. 679
1889Camptosaurus Lydekker pp. 46-48
1890Symphyrophus Zittel p. 726
1890Camptosaurus Zittel p. 755
1893Camptosaurus Winkler p. 111
1894Camptosaurus Marsh
1895Camptosaurus Marsh
1896Camptosaurus Marsh p. 243
1897Camptosaurus Gadow p. 205
1898Camptosaurus Gadow p. 22
1900Camptosaurus Van Den Broeck p. 86
1901Camptosaurus Gadow p. 426
1901Symphyrophus Nopcsa p. 207
1901Camptosaurus Nopcsa p. 210
1902Symphyrophus Hay p. 484
1902Camptosaurus Hay p. 501
1902Brachyrophus Hay p. 506
1902Camptosaurus Mansel-Pleydell p. lxxxiii
1902Camptosaurus Nopcsa pp. 151-152
1909Symphyrophus Huene p. 15
1909Camptosaurus Huene p. 16
1909Brachyrophus Huene p. 18
1911Symphyrosaurus von Zittel p. 288
1911Camptosaurus von Zittel p. 289
1911Brachyrophus von Zittel p. 295
1913Camptosaurus Tornier p. 371
1915Camptosaurus Matthew p. 28
1919Symphyrophus Osborn and Mook p. 390
1922Camptosaurus Joleaud p. 62
1924Camptosaurus Lull p. 238
1925Camptosaurus Gilmore p. 400
1928Camptosaurus Nopcsa p. 184
1930Symphyrophus Hay p. 193
1930Brachyrophus Hay p. 201
1930Camptosaurus Hay p. 204
1934Camptosaurus Huene p. 16
1936Camptosaurus Swinton p. 215
1947Camptosaurus Lapparent p. 32
1956Symphyrophus Romer p. 624
1956Camptosaurus Romer p. 629
1963Camptosaurus Parsch p. 7
1964Camptosaurus Kuhn p. 9
1964Symphyrophus Tatarinov p. 552
1964Camptosaurus Tatarinov p. 557
1966Camptosaurus Romer p. 370
1966Symphyrophus Romer p. 370
1967Camptosaurus Charig p. 716
1970Symphyrophus Steel p. 82
1970Camptosaurus Swinton p. 214
1974Camptosaurus Galton pp. 151-152
1974Camptosaurus Thulborn p. 172
1977Camptosaurus Galton p. 230
1979Camptosaurus Galton and Jensen p. 3
1979Camptosaurus Madsen and Miller p. 5
1981Camptosaurus Bartholomai and Molnar p. 343
1981Camptosaurus McIntosh p. 30
1983Camptosaurus Weishampel and Weishampel p. 44
1984Camptosaurus Milner and Norman p. 146
1984Camptosaurus Norman pp. 342-344 fig. 7
1984Camptosaurus Russell p. 23
1986Camptosaurus Sereno
1988Camptosaurus Carroll
1989Camptosaurus Norman p. 61 fig. 1
1990Camptosaurus Benton p. 19
1990Camptosaurus Norman and Weishampel pp. 529-530 fig. 25.36
1991Camptosaurus Miller et al. p. 40
1992Camptosaurus Weishampel and Heinrich p. 166
1994Camptosaurus Chure et al. p. 304
1997Camptosaurus Sereno p. 449
1998Camptosaurus Godefroit et al. p. 50 fig. 38
1998Camptosaurus Sereno p. 62
2001Camptosaurus Mateus and Antunes pp. 11-12
2002Camptosaurus Buchholz p. 19
2004Camptosaurus Norman p. 415
2006Camptosaurus Chure et al. p. 237
2006Camptosaurus Pereda Suberbiola et al. p. 228
2007Camptosaurus Naish and Martill p. 495
2007Camptosaurus Ruiz-Omeñaca et al. p. 9
2008Camptosaurus Butler et al. p. 8
2009Camptosaurus Galton p. 215
2010Camptosaurus McDonald et al. p. 33 fig. 39
2010Camptosaurus McDonald et al. p. 808 fig. 10
2010Camptosaurus Rich et al. p. 395
2010Camptosaurus Ruiz-Omeñaca et al. p. 84
2011Camptosaurus Diedrich p. 145
2011Uteodon McDonald p. 56
2011Camptosaurus Wang et al. p. 155 fig. 11
2012Camptosaurus McDonald p. 2
2012Uteodon McDonald p. 2
2014Camptosaurus Norman p. 37 fig. 2.30
2018Camptosaurus Carpenter and Galton p. 178
2018Camptosaurus Madzia et al. p. 973 fig. 4
2019Camptosaurus Herne et al. p. 574 fig. 25
2020Camptosaurus Dieudonné et al.
2021Camptosaurus Verdú et al. p. 10 fig. 9
2021Uteodon Verdú et al. p. 10 fig. 9

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
RankNameAuthor
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Genasauria
Cerapoda
Ornithopoda()
Clypeodonta
Iguanodontia()
Dryomorpha
Ankylopollexia
genusCamptosaurus

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. †Camptosaurus Marsh 1885
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Camptosaurus aphanoecetes Carpenter and Wilson 2008
Camptosaurus dispar Marsh 1879
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Invalid names: Brachyrophus altarkansanus Cope 1878 [synonym], Camptosaurus browni Gilmore 1909 [synonym], Camptosaurus medius Marsh 1894 [synonym], Camptosaurus nanus Marsh 1894 [synonym], Symphyrophus musculosus Cope 1878 [synonym]
Invalid names: Brachyrophus Cope 1878 [synonym], Camptonotus Marsh 1879 [replaced], Symphyrophus Cope 1878 [synonym], Uteodon McDonald 2011 [synonym]
Diagnosis
ReferenceDiagnosis
R. S. Lull 1924Camptosaurus, varying from about ten to thirty feet long; with the characteristics of the subfamily; fourth and fifth fingers reduced, as in Plateosaurus; maxillary teeth large and irregular; well-developed pubis, with broad prepubis; femur curved; about 25 presacrals and 4 or 5 sacrals, not coössified, each sacral centrum having posterior notch into which process of succeeding one fits.
A. T. McDonald 2011 (Uteodon)Basal styracosternan distinguished by a single autapomorphy: occipital condyle projects farther ventrally than the basal tubera (Fig. 7). Also distinguished from all other iguanodontians except Cumnoria prestwichii by the following unique combination of characters: scapula with acromion process that is convex along its cranial margin (Fig. 3B), convex dorsal margin of scapula (Fig. 3C), convex dorsal margin of ilium, dorsal mar- gin of ilium thickens mediolaterally towards M. iliocaudalis platform, postacetabular process of ilium tapers to a point with break in slope along dorsal margin (Fig. 6A), distal end of ischium forms cranially expanded boot.