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Bistahieversor sealeyi
Taxonomy
Bistahieversor sealeyi was named by Carr and Williamson (2010). Its type specimen is NMMNH P-27469, a skeleton, and it is a 3D body fossil. Its type locality is NMMNH Loc. L-3506, which is in a Campanian terrestrial horizon in the Kirtland Formation of New Mexico.
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Bistahieversor sealeyi Carr p. 1218 |
| 2010 | Bistahieversor sealeyi Carr and Williamson p. 1 figs. 1-4 |
| 2011 | Bistahieversor sealeyi Carr et al. |
| 2011 | Bistahieversor sealeyi Jasinski and Sullivan p. 210 |
| 2013 | Bistahieversor sealeyi Dalman p. 241 |
| 2013 | Bistahieversor sealeyi Thomson et al. p. 71 |
| 2013 | Bistahieversor sealeyi Zanno et al. p. 508 |
| 2014 | Bistahieversor sealeyi Williamson and Brusatte p. 8 |
| 2015 | Bistahieversor sealeyi Jasinski p. 79 |
| 2015 | Bistahieversor sealeyi Peecook and Sidor p. 9 |
| 2017 | Bistahieversor sealeyi Carr et al. p. 9s |
| 2018 | Bistahieversor sealeyi Dalman et al. p. 132 |
| 2018 | Bistahieversor sealeyi 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.
†Bistahieversor sealeyi Carr and Williamson 2010
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. D. Carr and T. E. Williamson 2010 | Tyrannosauroid characterized by numerous cranial autapomorphies, including a forked palatal process of the premaxilla (Fig. 3A), supernumerary frontal processes of the nasal (Fig. 3B), lanceolate medial frontal processes of the nasal, a pneumatic foramen that pierces the supraorbital ramus of the lacrimal (Figs. 1, 2), a peaked sagittal crest (Figs. 1, 2), a dorsotemporal fossa that extends onto the lateral surface of the squamosal, a short prefrontal (Fig. 3B), a single pneumatic foramen in the palatine (Fig. 3C), a medial ridge on the angular for insertion into the surangular (Fig. 3D), a ventrolateral keel along the caudoventral margin of the mandible formed by the angular and prearticular (Fig. 3E), and a tall flange extending from the ventral margin of the rostral mylohyoid foramen of the splenial (Fig. 3F). |
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| femur circumference | 1 | 344.0 |
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875 | |||||
Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | USA (New Mexico) | Albertosaurus sp. (12584 type locality: 96813) Bistahieversor sealeyi (96814) Daspletosaurus sp. (53514) |