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Tianyuraptor ostromi
Taxonomy
Tianyuraptor ostromi was named by Zheng et al. (2009). Its type specimen is STM1-3, a skeleton, and it is a compression fossil. Its type locality is Dawangzhangzi, which is in a Barremian/Aptian lacustrine shale in the Yixian Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Tianyuraptor ostromi Zheng et al. |
| 2011 | Tianyuraptor ostromi Turner et al. p. 55 |
| 2021 | Tianyuraptor ostromi Averianov and Lopatin p. 570 |
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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.
†Tianyuraptor ostromi Zheng et al. 2009
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| X. Zheng et al. 2009 | A medium-sized dromaeosaurid that differs from other dromaeosaurids in the following derived features: length of the middle caudal vertebrae more than twice that of the dorsal vertebrae, a small and extremely slender furcula, and an elongated hindlimb about three times as long as the dorsal series. |