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Tachiraptor admirabilis
Taxonomy
Tachiraptor admirabilis was named by Langer et al. (2014). Its type specimen is IVIC-P-2867, a limb element (right tibia), and it is a 3D body fossil. Its type locality is road cut northwest of La Grita, which is in a Hettangian terrestrial siltstone in the La Quinta Formation of Venezuela. It is the type species of Tachiraptor.
Synonymy list
| Year | Name and author |
|---|---|
| 2014 | Tachiraptor admirabilis Langer et al. pp. 5-6 fig. 3 |
| 2017 | Tachiraptor admirabilis Díaz-Martínez et al. p. 918 |
| 2017 | Tachiraptor admirabilis Ezcurra p. 516 |
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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.
†Tachiraptor admirabilis Langer et al. 2014
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. C. Langer et al. 2014 | Distinguished from all other theropods by the following unique combination of characters (possible autamorphy among early theropods marked with an asterisk): caudolateral corner of the fibular condyle forms a sharp angle in proximal view and extends slightly more caudally than the medial condyle*; distal articulation of the tibia more than 50% broader transversely than craniocaudally (despite slight postdepositional deformation); astragalar buttress occupies between one-third and one-quarter of the craniocaudal depth of the distal surface of the bone, extending obliquely across the cranial surface of the distal part of the tibia at an angle of approximately 35◦ to the distal margin, and flexing proximally at the lateral 20% of the transverse width of the distal shaft; line connecting the outer and inner tibial malleoli in cranial view forms an angle of ca 80◦ to the long axis of the bone. |