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Yinlong downsi
Taxonomy
Yinlong downsi was named by Xu et al. (2006). Its type specimen is IVPP V14530, a skeleton, and it is a 3D body fossil. Its type locality is Wucaiwan ceratopsian 1 (IVPP), which is in an Oxfordian terrestrial horizon in the Shishugou Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Yinlong downsi Xu et al. p. 2135 figs. 1-2 |
| 2009 | Yinlong downsi Butler and Sullivan p. 21 |
| 2009 | Yinlong downsi Butler and Zhao p. 71 |
| 2009 | Yinlong downsi Tanoue et al. p. 427 |
| 2011 | Yinlong downsi Maidment and Barrett p. 42 |
| 2012 | Yinlong downsi Han et al. p. 1391 fig. 14 |
| 2014 | Yinlong downsi Hedrick et al. p. 322 |
| 2015 | Yinlong downsi Han et al. p. 1 |
| 2016 | Yinlong downsii Becerra et al. p. 564 |
| 2019 | Yinlong downsi Cruzado-Caballero et al. p. 214 |
| 2019 | Yinlong downsi Ibiricu et al. p. 281 |
| 2020 | Yinlong downsi Dieudonné et al. |
| 2020 | Yinlong downsi Yu et al. p. 1 |
| 2021 | Yinlong downsi Breeden et al. p. 11 |
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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.
†Yinlong downsi Xu et al. 2006
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| X. Xu et al. 2006 | A small ceratopsian with the following unique features: a distinct fossa along the midline of the frontals, trapezoidal quadratojugal longer than deep, sharp ridges and grooves on the anterior surface of the proximal half of the paroccipital process, a long basipterygoid process oriented posteroventrally, slit-like carotid canal laterally bordered by a lamina, a prominent tubercle on the posteroventral surangular and a vertical wear facet with a basal shelf on the premaxillary teeth. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Norman and Weishampel 1991, Marsh 1875 | |||||