|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
It was considered a nomen dubium by Sereno (1991); it was considered a nomen dubium by Norman et al. (2004).
|Year||Name and author|
|1983||Xiaosaurus dashanpensis Dong and Tang|
|1992||Xiaosaurus dashanpensis Dong p. 61|
|1997||Xiaosaurus dashanpensis Dong p. 793|
|2005||Xiaosaurus dashanpensis Barrett et al. p. 831|
|2008||Xiaosaurus dashanpensis Butler et al. p. 12|
|2010||Xiaosaurus dashanpensis Carpenter p. 156|
|2012||Xiaosaurus dashanpensis Zheng et al. p. 208|
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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.
|P. M. Barrett et al. 2005||A small ornithischian dinosaur that possesses a single autapomorphy: possession of a proximally straight humerus that lacks the medial curvature seen in all other basal ornithischians.|
|R. J. Butler et al. 2008||A proximally straight humerus that lacks the medial curvature seen in all other basal ornithischians.