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Chaoyangsaurus youngi
Taxonomy
Chaoyangsaurus youngi was named by Zhao et al. (1999). Its type specimen is IGCAGS V371, a partial skeleton, and it is not a trace fossil.
Synonyms
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Synonymy list
Year | Name and author |
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1983 | Chaoyangosaurus liaosiensis Zhao and Cheng |
1985 | Chaoyoungosaurus liaosiensis Zhao p. 289 |
1994 | Chaoyangosaurus liaosiensis Olshevsky and Ford p. 91 |
1999 | Chaoyangsaurus youngi Zhao et al. |
2000 | Chaoyangsaurus youngi Sereno p. 487 |
2001 | Chaoyangsaurus youngi Lambert et al. p. 7 |
2001 | Chaoyangsaurus youngi Makovicky p. 255 |
2002 | Chaoyangsaurus youngi Buchholz p. 19 |
2004 | Chaoyangosaurus youngi Chinnery p. 584 |
2004 | Chaoyangsaurus youngi You and Dodson p. 480 |
2006 | Chaoyangsaurus youngi Zhao et al. p. 467 |
2008 | Chaoyangsaurus youngi Butler et al. p. 9 |
2009 | Chaoyangsaurus youngi Jin et al. p. 204 |
2009 | Chaoyangsaurus youngi Tanoue et al. p. 428 |
2011 | Chaoyangsaurus youngi Xing et al. p. 431 |
2012 | Chaoyangsaurus youngi Han et al. p. 1391 fig. 14 |
2015 | Chaoyangsaurus youngi Han et al. p. 1 |
2020 | Chaoyangsaurus youngi Dieudonné et al. |
2020 | Chaoyangsaurus youngi Yang et al. p. 4 |
2020 | Chaoyangsaurus youngi Yu 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.
†Chaoyangsaurus youngi Zhao et al. 1999
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Invalid names: Chaoyangosaurus liaosiensis Zhao and Cheng 1983 [replaced]
Diagnosis
Reference | Diagnosis | |
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R. J. Butler et al. 2008 | Quadratojugal overlaps posterior side of the quadrate shaft; quadrate slopes strongly anteriorly; ridge present between the planar lateral and ventral surfaces of the angular.
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