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Tyrannomimus
Taxonomy
Tyrannomimus was named by Hattori et al. (2023). Its type is Tyrannomimus fukuiensis.
It was assigned to Deinocheiridae by Hattori et al. (2023).
It was assigned to Deinocheiridae by Hattori et al. (2023).
Species
T. fukuiensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2023 | Tyrannomimus Hattori 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.
G. †Tyrannomimus Hattori et al. 2023
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†Tyrannomimus fukuiensis Hattori et al. 2023
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Hattori et al. 2023 | Based on the holotype, theropod dinosaur with following autapomorphies among ornithomimosaurs: deep dorsal tympanic recess with its bottom subdivided by an anteroposteriorly-oriented lamina; expanded spherical cavities within prezygocentrodiapophyseal, centrodiapophyseal and postzygocentrodiapophyseal fossae.
Based on the referred specimens, deep anterolateral pit on proximal part of humerus can be another autapomorphy among ornithomimosaurs. However, this feature should be confirmed by additional specimens including humeri and some elements shared by the holotype. Tyrannomimus can be distinguished from penecontemporary Asian ornithomimosaurs by having the following features: from Harpymimus by having the deltopectoral crest shorter than the quarter of the humeral length, the muscle scar on the anterolateral margin of the deltopectoral crest, low and elongated ilium, and concave ventral margin of the postacetabular process; from Shenzhousaurus by having ventral grooves on anterior caudal centra, straighter manual unguals, and the lateral distal condyle of the femur extended further distally than the medial condyle that is flattened distally. |
Measurements
No measurements are available
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| Source: infrao = infraorder | |||||
| Reference: Averianov and Yarkov 2004 | |||||