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Wulagasaurus dongi
Taxonomy
Wulagasaurus dongi was named by Godefroit et al. (2008). Its type specimen is GMH W184, a mandible, and it is a 3D body fossil. Its type locality is Wulaga bonebed, which is in a Maastrichtian coarse channel fill mudstone/conglomerate in the Yuliangzi Formation of China. It is the type species of Wulagasaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Wulagasaurus dongi Godefroit et al. p. 60 figs. 12-18 |
| 2009 | Wulagasaurus dongi Markevich et al. p. 118 |
| 2010 | Wulagasaurus dongi Prieto-Marquez and Salinas p. 835 fig. 20 |
| 2010 | Wulagasaurus dongi Prieto-Márquez p. 5 fig. 2 |
| 2010 | Wulagasaurus dongi Prieto-Márquez and Wagner p. 1243 fig. 3 |
| 2011 | Wulagasaurus dongi Godefroit et al. p. 180 |
| 2011 | Wulagasaurus dongi Prieto-Márquez p. 63 |
| 2011 | Wulagasaurus dongi Sun et al. p. 125 |
| 2012 | Wulagasaurus dongi Godefroit et al. p. 1 |
| 2012 | Wulagasaurus dongi Prieto-Márquez p. 518 |
| 2012 | Wulagasaurus dongi Ramírez-Velasco et al. p. 392 |
| 2012 | Wulagasaurus dongi Xing et al. p. 162 |
| 2013 | Wulagasaurus dongi Prieto-Marquez |
| 2014 | Wulagasaurus dongi Ramírez-Velasco et al. p. 354 |
| 2016 | Wulagasaurus dongi Lehman et al. p. 346 |
| 2017 | Wulagasaurus dongi Cruzado-Caballero and Powell p. 9 |
| 2021 | Wulagasaurus dongi McDonald et al. p. 2 |
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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.
†Wulagasaurus dongi Godefroit et al. 2008
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Godefroit et al. 2011 | Hadrosaurine dinosaur characterised by the following autapomorphies: very slender dentary, with a ratio length of the dentary battery / maximum height of the dental ramus taken around the middle of the dental battery > 4. 5; lateral side of dentary not pierced by foramina; edge of the deltopectoral crest oriented quite cranially; humeral articular head extends distally as a very long and prominent vertical ridge; inner tuberosity much better developed than outer tuberosity on the proximal end of the humerus.
Also differs from all other known hadrosaurines by its short sagittal, less than 2/3 the length of the parietal; differs from Gryposaurus, Kerberosaurus, Prosaurolophus, Saurolophus, Edmontosaurus and Anatotitan by its short supraoccipital-exoccipital shelf. | |
| H. Xing et al. 2012 | Medium-sized hadrosaurine dinosaur characterized by the following autapomorphies: extremely elongated and slender dentary, whose rostrocaudal length is 6.8 times its maximum dorsoventral height; dentary with a markedly dorsally concave diastema; caudal ramus of the jugal extending caudodorsally at a low inclination, forming an angle of about 140° with the jugal long axis. In addition, W. dongi differs from basal hadrosauroids in that the humeral deltopectoral crest is moderately expanded craniolaterally, and in that the ventral margin of the supracetabular process is located at approximately the level of the dorsoventral midpoint of the iliac central plate. Also differs from Brachylophosaurus and Maiasaura in having a relatively short iliac preacetabular process and a faint quadrate buttress. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875 | |||||
Age range: Maastrichtian or 72.10000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | China (Heilongjiang) | Wulagasaurus dongi (type locality: 79034) |