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Qianxisaurus chajiangensis
Taxonomy
Qianxisaurus chajiangensis was named by Cheng et al. (2012). Its type specimen is NMNS-KIKO-F044630, a skeleton (a nearly complete skeleton with the tip of the tail and the right hind limb missing), and it is a 3D body fossil. Its type locality is Chajiang (near the Huangnihe River), Xingyi, which is in a Ladinian marine horizon in the Falang Formation of China. It is the type species of Qianxisaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 2012 | Qianxisaurus chajiangensis Cheng et al. p. 1336 figs. 1-3 |
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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.
†Qianxisaurus chajiangensis Cheng et al. 2012
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Y. -N. Cheng et al. 2012 | An eosauropterygian, with a total length of over 80 cm, distinguishable from others in the combination of the following characters: premaxilla bearing eight teeth and contributing a small portion to elongated oval external naris; snout longer than the rest of skull; irregular morphology of postorbital with a truncated dorsal process and a forked posterior process; teeth with slightly constricted peduncle and short conical crown; supratemporal fenestra very small and only slightly larger than parietal foramen; short and stout retroarticular process posteriorly truncated and lacking dorsal concavity; trunk region relatively long with 28 dorsal vertebrae; presence of four sacral vertebrae; ribs not pachyostotic; presence of longitudinal groove on posterodorsal surface of dorsal ribs (shared with Corosaurus, Sanchiaosaurus, Kwangsisaurus, and Chinchenia); and coracoid with a narrow, column-shaped lateral portion and an expanded, foot-shaped medial portion. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Bush and Bambach 2015, Hendy et al. 2009, Carroll 1988 | |||||