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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Rativates evadens
Taxonomy
Rativates evadens was named by McFeeters et al. (2016). It is not extant. Its type specimen is ROM 1790, a partial skeleton (incomplete skull and postcranial skeleton). Its type locality is RTMP Quarry 28, Steveville, which is in a Campanian/Campanian channel sandstone in the Oldman Formation of Canada.
Synonymy list
| Year | Name and author |
|---|---|
| 2016 | Rativates evadens McFeeters et al. |
| 2023 | Rativates evadens Chamberlain et al. p. 19 |
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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.
†Rativates evadens McFeeters et al. 2016
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. McFeeters et al. 2016 | Rativates evadens is diagnosed by the following autapomorphies: (1) Maxilla with the contact for the jugal short and blunt rather than long and tapered; (2) mid-caudal neural spines mound-like and anteroposteriorly reduced in the region of the transition point of the tail; (3) posterior contact of ischial shafts convex and completely fused; and (4) distal end of the third metatarsal without a concavity on the flexor surface, and with a straight flexor edge in distal view. In addition to these characters, Rativates evadens is further distinguished from the penecontemporaneous Struthiomimus altus by (a) the long antilium reaching approximately as far cranially as the distal end of the pubic shaft (excluding the boot), and (b) the comparatively straight medial edge of the third metatarsal in anterior view; from Ornithomimus sp. by the proportionately anteroposteriorly shorter antorbital fossa (unknown in the Dinosaur Park Formation material of S. altus); and from the unnamed large ornithomimid (Longrich, 2008) by (a) a relatively small adult body size, and (b) straight pedal unguals that lack the strongly angled articular facet, large proximodorsal process, and prominent flexor tubercle of that taxon. |
Measurements
No measurements are available
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| Source: infrao = infraorder | |||||
| Reference: Averianov and Yarkov 2004 | |||||
Age range: base of the Middle Campanian to the top of the Late/Upper Campanian or 83.50000 to 70.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Campanian - Late/Upper Campanian | Canada (Alberta) | Struthiomimus sp. (type locality: 52471) |