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Nanosaurus

Reptilia

Taxonomy
Nanosaurus was named by Marsh (1877). It is the type genus of Nanosauridae.

It was considered a nomen dubium by Sues and Norman (1990); it was considered a nomen dubium by Norman et al. (2004).

It was assigned to Dinosauria by Marsh (1877); to Ornithoscelida by Williston (1878); to Ornithopoda by Quenstedt (1882); to Camptonotidae by Marsh (1881), Sauvage (1882), Marsh (1882) and Marsh (1884); to Iguanodontidae by Dollo (1882) and Dollo (1884); to Camptosauridae by Marsh (1885); to Nanosauridae by Nopcsa (1901); to Kalodontidae by Nopcsa (1902); to Ornithopoda by Marsh (1894), Huene and Lull (1908) and Huene (1908); to Hypsilophontidae by von Zittel (1911); to Orthopoda by Joleaud (1922); to Laosauridae by Huene (1914) and Osborn (1923); to Nannosaurinae by Nopcsa (1928); to Nanosaurinae by Kuhn (1966); to Fabrosauridae by Galton (1977), Galton (1978), Milner and Norman (1984) and Norman (1984); to Nanosauridae by Marsh (1878), Zittel (1890), Marsh (1895), Marsh (1896), Van Den Broeck (1900), Hay (1902), Huene (1909), Hay (1930) and Cooper (1985); to Hypsilophodontidae by Lull (1924), Romer (1956), Kuhn (1964), Romer (1966), Charig (1967), Thulborn (1971), Galton (1972), Thulborn (1974), Thulborn (1975), Madsen and Miller (1979), Weishampel and Weishampel (1983), Galton (1983), Russell (1984) and Carroll (1988); to Ornithischia by Huene (1914), Santa Luca (1984) and Sereno (1991); to Euornithopoda by Galton (2007); to Neornithischia by Carpenter and Galton (2018) and Herne et al. (2019); and to Ornithopoda by Dieudonné et al. (2020).

Synonyms
Synonymy list
YearName and author
1877Nanosaurus Marsh
1878Nanosaurus Marsh p. 244
1878Nanosaurus Williston p. 45
1881Nanosaurus Marsh
1882Nanosaurus Dollo
1882Nanosaurus Marsh
1882Nanosaurus Quenstedt p. 188
1882Nanosaurus Sauvage p. 35
1884Nanosaurus Dollo p. 298
1884Nanosaurus Marsh p. 68
1885Nanosaurus Marsh p. 764
1890Nanosaurus Zittel p. 766
1894Nanosaurus Marsh
1895Nanosaurus Marsh
1896Nanosaurus Marsh p. 244
1900Nanosaurus Van Den Broeck p. 87
1901Nanosaurus Nopcsa p. 209
1902Nanosaurus Hay p. 505
1902Nanosaurus Nopcsa p. 152
1908Nanosaurus Huene p. 307
1908Nanosaurus Huene and Lull p. 143
1909Nanosaurus Huene p. 16
1911Nanosaurus von Zittel p. 289
1914Nanosaurus Huene p. 16
1922Nannosaurus Joleaud p. 62
1923Nanosaurus Osborn
1924Nanosaurus Lull p. 238
1928Nannosaurus Nopcsa p. 184
1930Nanosaurus Hay p. 203
1956Nanosaurus Romer p. 628
1964Nanosaurus Kuhn p. 7
1966Nanosaurus Kuhn p. 102
1966Nannosaurus Romer p. 370
1967Nanosaurus Charig p. 716
1971Nanosaurus Thulborn p. 77
1972Nanosaurus Galton p. 465
1974Nanosaurus Thulborn p. 171
1975Nanosaurus Thulborn p. 123
1977Nanosaurus Galton p. 230
1978Nanosaurus Galton p. 156
1979Nanosaurus Madsen and Miller p. 5
1983Nanosaurus Galton p. 232
1983Nanosaurus Weishampel and Weishampel p. 44
1984Nanosaurus Milner and Norman p. 146
1984Nanosaurus Norman pp. 342-344 fig. 7
1984Nanosaurus Russell p. 23
1984Nanosaurus Santa Luca p. 174
1985Nanosaurus Cooper p. 285
1988Nanosaurus Carroll
1990Drinker Bakker et al. p. 9
1991Nanosaurus Sereno p. 174
1997Drinker Sues p. 357
2004Drinker Norman et al. p. 394
2006Drinker Chure et al. p. 237
2007Othnielosaurus Butler et al. p. 2044
2007Othnielosaurus Galton p. 28
2007Drinker Galton p. 34
2007Nanosaurus Galton p. 34
2009Othnielosaurus Galton p. 214
2012Othnielosaurus Han et al. p. 1391 fig. 14
2018Nanosaurus Carpenter and Galton p. 270
2018Othnielosaurus Madzia et al. p. 973 fig. 4
2019Nanosaurus Herne et al. p. 573
2020Nanosaurus Dieudonné et al.

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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
classReptilia
RankNameAuthor
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Genasauria
Cerapoda
Ornithopoda()
genusNanosaurus

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. †Nanosaurus Marsh 1877
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Nanosaurus agilis Marsh 1877
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Invalid names: Drinker nisti Bakker et al. 1990 [synonym], Othnielia rex Marsh 1877 [synonym], Othnielosaurus consors Marsh 1894 [synonym]
Invalid names: Drinker Bakker et al. 1990 [synonym], Othnielosaurus Galton 2007 [synonym]
Diagnosis
No diagnoses are available