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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ruixinia zhangi
Taxonomy
Ruixinia zhangi was named by Mo et al. (2023). Its type specimen is ELDM EL-J009, a partial skeleton (postcranial skeleton), and it is a 3D body fossil. Its type locality is Batuyingzi, Beipiao, which is in a Barremian/Aptian lacustrine - large shale in the Yixian Formation of China. It is the type species of Ruixinia.
Synonymy list
| Year | Name and author |
|---|---|
| 2023 | Ruixinia zhangi Mo et al. |
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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.
†Ruixinia zhangi Mo et al. 2023
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Mo et al. 2023 | A medium size sauropod dinosaur (estimated length about 12 m) with the following autapomorphic features: distinct foramina present at the anterodorsal corner of the pleurocoels of the mid-posterior dorsals; anterior caudal neural spines bifid; anterior caudal neural spines with projecting subtriangular processes on the anterodorsal margin of the neural spines; distinct grooves present on the lateral surface of neural arches in Ca2-12, just dorsal to the base of the caudal ribs; a transition point present between Ca22 and Ca23 with Ca1-22 much larger than more posterior caudals in size; distalmost six caudals fused; Ch18 with a bifurcated posterior process; Ch20 approximately pentagonal in lateral view; Ch23-36 plank-shaped and unfused distally; lateral bulge on the lateral surface of the posterior lobe of the ilium; posterior margin of the tibial shaft strongly convex. |
Measurements
No measurements are available
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| Source: infrao = infraorder | |||||
| Reference: Marsh 1875 | |||||
Age range: base of the Late/Upper Barremian to the top of the Early/Lower Aptian or 125.77000 to 119.57000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Barremian - Early/Lower Aptian | China (Liaoning) | Ruixinia zhangi (type locality: 126447) |