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Taxonomy
Cnephasaurus locustivorus was named by Gao and Fox (1996). Its type specimen is UALVP 29921, an other (right maxilla), and it is a 3D body fossil. Its type locality is Verdigris Coulee (UA-MR-6), which is in a Santonian terrestrial sandstone/shale in the Milk River Formation of Canada. It is the type species of Cnephasaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 1996 | Cnephasaurus locustivorus Gao and Fox pp. 13-16 figs. 4-5 |
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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.
†Cnephasaurus locustivorus Gao and Fox 1996
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| K. -Q. Gao and R. C. Fox 1996 | An early Campanian small iguanian, closely resembling extant Crotaphytus Holbrook, 1843 in having a highly heterodont dentition, but differing from the latter as follows: premaxillary process much shorter; nasal process unretracted; palatal process on supradental shelf lacking; posterior interior alveolar foramen retaining position close to posterior end of tooth row |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum, uc = unranked clade | |||||
| References: Behler and King 1979, Carroll 1988, Hendy et al. 2009 | |||||
Age range: Late/Upper Santonian or 85.80000 to 83.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Santonian | Canada (Alberta) | Cnephasaurus locustivorus (type locality: 14425) |