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Nichollsemys baieri
Taxonomy
Nichollsemys baieri was named by Brinkman et al. (2006). Its type specimen is TMP 97.99.1, a skull (skull), and it is a 3D body fossil. Its type locality is Chin Coulee, which is in a Campanian marine horizon in the Bearpaw Shale Formation of Canada.
Entered
by P. Holroyd on 2006-07-26; modified by J. Alroy on 2013-10-27
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Nichollsemys baieri Brinkman et al. p. 113 figs. 2-5 |
| 2024 | Nichollsemys baieri Menon et al. |
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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.
†Nichollsemys baieri Brinkman et al. 2006
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. C. L. Menon et al. 2024 | Nichollsemys baieri is unique among pan-chelonioids by having by a very small ventral exposure of the parabasisphenoid, a strongly reduced sella turcica, and a dorsally notched labial margin in the symphysis of the dentary. |
Measurements
No measurements are available
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| Source: superf = superfamily, subo = suborder, c = class, subp = subphylum | |||||
| References: Carroll 1988, Bush and Bambach 2015, Hendy et al. 2009, Uetz 2005, Kiessling 2004 | |||||
Age range: Late/Upper Campanian or 83.60000 to 72.20000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Canada (Alberta) | Nichollsemys baieri (type locality: 62734 119088) |