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Zhongjianosaurus yangi
Taxonomy
Zhongjianosaurus yangi was named by Xu and Qin (2017). Its type specimen is IVPP V22775, a partial skeleton (A partial semi-articulated postcranial skeleton preserved in a slab.), and it is a compression fossil. Its type locality is Sihedang, Lingyuan, which is in an Aptian lacustrine mudstone/shale in the Jiufotang Formation of China. It is the type species of Zhongjianosaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 2017 | Zhongjianosaurus yangi Xu and Qin |
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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.
†Zhongjianosaurus yangi Xu and Qin 2017
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| X. Xu and Z.-C. Qin 2017 | A tiny microraptorine theropod distinguishable from other microraptorines in the following autapomorphies: proportionally long ossified uncinate processes fused to dorsal ribs, widely arched furcula with slender and posteriorly curved clavicular rami, humeral proximal end strongly offset medially from humeral shaft, humeral internal tuberosity short, presence of large fenestra within humeral deltopectoral crest, humeral ulnar condyle hypertrophied, ulna slightly longer than humerus, ulnar olecranon process with posterior margin mediolaterally pinched, ulnar distal end bending anteriorly and strongly expanded laterally, proximal end of metacarpal II with strong ventrolateral extension, metacarpal III laterally bowed with longitudinal ventral groove, phalanx II-2 without proximodorsal lip and lacking strong dorsal arching, femoral head stout and lower than trochanteric crest, medial condyle of tibiotarsus distal end with a prominent distal extension, arctometatarsalian pes, and metatarsal II without ginglymus on distal end. |
Measurements
No measurements are available
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| Source: f = family, o = order | |||||
| References: Holtz et al. 2000, Marsh 1875 | |||||