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Yunganglong datongensis
Taxonomy
Yunganglong datongensis was named by Wang et al. (2013). Its type specimen is SXMG V 00001, a partial skeleton, and it is a 3D body fossil. Its type locality is 2011 Locality 7, Zuoyun (SXMG), which is in a Cenomanian/Santonian terrestrial horizon in the Zhumapu Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 2013 | Yunganglong datongensis Wang et al. p. 4 fig. 2–8 |
| 2014 | Yunganglong datongensis Xing et al. p. 1821 |
| 2015 | Yunganglong datongensis Ohashi et al. p. 4 |
| 2021 | Yunganglong datongensis Verdú et al. p. 4 |
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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.
†Yunganglong datongensis Wang et al. 2013
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R.-F. Wang et al. 2013 | Basal hadrosauroid with the following unique combination of four character states: 1) caudal surface of the supraoccipital inclined steeply forward at approximately 45° (present in Yunganglong and more advanced taxa, but nearly vertical in Jintasaurus and less derived Hadrosauriformes); 2) caudolaterally extended horizontal portion of the paroccipital process and accompanying squamosal (present in Yunganglong and more advanced taxa, but laterally extended in Jintasaurus and less derived Hadrosauriformes); 3) pendent portion of the paroccipital process does not curve cranially (observed in Yunganglong and Jintasaurus; the pendant portion does curve cranially in Bactrosaurus and more advanced taxa); 4) intercondylar extensor groove of the femur deep, U-shaped, partially enclosed by expansion of medial and lateral condyles (present in Yunganglong and less derived Hadrosauriformes, but canal fully enclosed by fusion of lateral and medial condyles in Nanyangosaurus and more advanced taxa). |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Marsh 1875, Benton 1983 | |||||
Age range: base of the Cenomanian to the top of the Santonian or 100.50000 to 83.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian - Santonian | China (Shanxi) | Yunganglong datongensis (type locality: 151952) |