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Zhuchengtyrannus magnus
Taxonomy
Zhuchengtyrannus magnus was named by Hone et al. (2011). Its type specimen is Zhucheng Dinosaur Museum (ZCDM) V0031, a partial skull (nearly complete right maxilla and associated left dentary), and it is a 3D body fossil. Its type locality is Zangjiazhuang quarry (loc. 090413), which is in a Campanian fluvial siltstone/siltstone in the Hongtuya Formation of China.
Synonymy list
Year | Name and author |
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2011 | Zhuchengtyrannus magnus Hone et al. |
2013 | Zhuchengtyrannus magnus Dalman p. 241 |
2013 | Zhuchengtyrannus magnus Poropat and Kear p. 103 |
2013 | Zhuchengtyrannus magnus Thomson et al. p. 71 |
2017 | Zhuchengtyrannus magnus Carr et al. p. 7 |
2018 | Zhuchengtyrannus magnus McDonald et al. p. 2 |
2020 | Zhuchengtyrannus magnus Wang et al. p. 959 |
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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.
†Zhuchengtyrannus magnus Hone et al. 2011
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Diagnosis
Reference | Diagnosis | |
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D. W. E. Hone et al. 2011 | A large tyrannosaurine theropod dinosaur distinguished from other tyrannosaurine taxa by the following features of the maxilla: a horizontal shelf on the lateral surface of the base of the ascending process, and a rounded notch in the anterior margin of the maxillary fenestra. Zhuchengtyrannus magnus also possesses the following unique combination of characters: the ventral margin of the antorbital fenestra lies well above that of the ventral rim of the antorbital fossa, and the anteroposterior length of the maxillary fenestra is more than half the distance between the anterior margins of the antorbital fossa and fenestra.
Zhuchengtyrannus magnus can be distinguished from the contemporaneous Asian tyrannosaurine Tarbosaurus bataar by the absence of a subcutaneous flange on the posterodorsal part of the jugal ramus of the maxilla, and the absence of a ventrally convex palatal shelf that covers the bulges of the roots of the posterior teeth in medial view. |
Measurements
No measurements are available
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Source: subo = suborder, o = order | |||||
References: Benton 1983, Marsh 1875 |