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Yandusaurus hongheensis
Taxonomy
Yandusaurus hongheensis was named by He (1979). Its type specimen is GCC V20501, a skeleton, and it is a 3D body fossil. Its type locality is Honghe Dam, Hongheba, which is in a Bajocian terrestrial horizon in the Shaximiao Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Yandusaurus hongheensis He |
| 1983 | Yandusaurus hungheensis He and Cai p. 5 |
| 1984 | Yandusaurus hongheensis He p. 70 |
| 1984 | Yandusaurus hongheensis He and Cai p. 4 |
| 1985 | Yandusaurus hongheensis Zhao p. 289 |
| 1990 | Yandusaurus honheensis Sues and Norman p. 500 |
| 1992 | Yandusaurus hongheensis Dong p. 165 |
| 1992 | Yandusaurus hongheensis Weishampel and Heinrich p. 171 |
| 1994 | Yandusaurus hongheensis Carpenter p. 295 |
| 1996 | Yandusaurus hongheensis Molnar p. 651 |
| 1997 | Yandusaurus hongheensis Sues p. 357 |
| 1999 | Yandusaurus hongheensis Knoll p. 65 |
| 2002 | Yandusaurus hongheensis Buchholz p. 19 |
| 2004 | Yandusaurus hongheensis Norman et al. p. 395 |
| 2005 | Yandusaurus hongheensis Barrett et al. pp. 824-826 |
| 2005 | Yandusaurus hongheensis Peng et al. |
| 2008 | Yandusaurus hongheensis Butler et al. p. 11 |
| 2011 | Yandusaurus hongheensis Li et al. p. 24 |
| 2012 | Yandusaurus hongheensis Han et al. p. 1390 |
| 2012 | Yandusaurus hongheensis Zheng et al. p. 208 |
| 2014 | Yandusaurus hongheensis Xing et al. p. 207 |
| 2018 | Yandusaurus hongheensis Bell et al. p. 17 |
| 2019 | Yandusaurus hongheensis Herne et al. p. 573 |
| 2020 | Yandusaurus hongheensis Dieudonné et al. |
| 2023 | Yandusaurus hongheensis Manitkoon et al. p. 1 |
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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.
†Yandusaurus hongheensis He 1979
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Peng et al. 2005 | Medium-sized ornithopod about 3.2 m of body length. It is recognized by triangular maxilla with a narrow but long dorsal process and a longitudinal lateral ridge; triradial jugal with a extremely ventrally arched ventral margin; broad and Buddha hand-shaped maxillary teeth with developed wear surfaces so that outer side of crowns deeper than its inner side; tooth crown with a short lateral ridge along anterior and posterior margins, but lacking median ridge; platyancoelous cervical centra with obvious ventral keels; amphiplatyan dorsals; scapula with laterally convex shaft; coracoid with an obvious anteroventral ridge; length of humerus same as that of scapula; obviously arched radius less than 2/3 of humerus length; inner distal condyle of femur much bigger than outer one. | |
| R. J. Butler et al. 2008 | The mid–posterior cervicals have circular, pit-like depressions developed at the base of their postzygapophyses. |
Measurements
No measurements are available
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| Source: g = genus, o = order | |||||
| References: Peczkis 1995, Marsh 1875 | |||||