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Kleskunsaurus grandeprairiensis
Taxonomy
Kleskunsaurus grandeprairiensis was named by Nydam et al. (2010). Its type specimen is UALVP 50959, a partial skull, and it is a 3D body fossil. Its type locality is Kleskun Hill Park, site A, which is in a Campanian dry floodplain mudstone in the Wapiti Formation of Canada. It is the type species of Kleskunsaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Kleskunsaurus grandeprairiensis Nydam et al. pp. 1095-1096 figs. 7-8 |
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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.
†Kleskunsaurus grandeprairiensis Nydam et al. 2010
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Nydam et al. 2010 | Differs from Chamops, Gerontoseps, Glyptogenys, Haptosphenus, Leptochamops, Sphenosiagon, Stypodontosaurus in having teeth that are columnar and of much smaller diameter. Differs from Mensicognathus in teeth more widely spaced and not mediolaterally compressed. Differs from Gilmoreteiius, Cherminsaurus, Darchansaurus in having posterior articulation of nasals onto frontal separated by a median frontal ridge such that the nasals form two distinct tabs that overlap the frontal (shared with Polyglyphanodon sternbergi). Differs further from P. sternbergi in having a frontal with posterolateral expansion (not restricted by enlarged postfrontal). Among paracontemporaneous non-borioteiioid lizards, differs from contongeniid lizards in having more widely spaced teeth and lacking a lateral deviation to the jugular process of the maxilla. Among relevant extant taxa, differs from teiids (e.g., Tupinambis) in having a greater degree of articulation between the prefrontal and maxilla. Differs from Lacertidae in lacking cephalic osteoderms, as indicated by a lack of corresponding ornamentation of the cranial bones. Differs from the Iguania in lacking an hourglass-shaped frontal. Differs further from Cnephasaurus locustivorus in lacking a ventrally concave maxillary tooth row. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Kiessling 2004, Hendy et al. 2009 | |||||
Age range: Late/Upper Campanian or 83.60000 to 72.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Canada (Alberta) | Kleskunsaurus grandeprairiensis (type locality: 89604) |