Bighorn Basin (non-specific Wasatch): Wasatchian, Wyoming
collected by AMNH 1911
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Anguidae
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Glyptosaurinae indet.
Marsh 1872
|
Sullivan 1979 | 1 specimen | ||||||||
| AMNH 5176, right mandible fragment | ||||||||||
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Glyptosaurus obtusidens
Loomis 1907
|
1 specimen | |||||||||
| AMNH 5176, portions of two dentaries and anterior tip of frontals | ||||||||||
|
= Glyptosaurus sp.
Marsh 1871
|
Estes 1983 | |||||||||
| "AMNH 5176... [the dentaries] have expanded teeth with squared-off, striated crowns and are referable to Glyptosaurus sp.; they lack the bilobed teeth of the holotype." | ||||||||||
|
cf. Eoglyptosaurus donohoei
(White 1952)
|
Sullivan 1979 | 1 specimen | ||||||||
| synonym of Glyptosaurus sylvestris | ||||||||||
| YPM 8422, frontal, parietal, part thoracic vertebra, un-ID'd bone fragment | ||||||||||
|
Glyptosaurini indet.
Sullivan 1979
|
Sullivan 1979 | 1 specimen | ||||||||
| AMNH 11054, anterior part of frontal | ||||||||||
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Reptilia
|
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Crocodilus sp.
(Laurenti 1768)
|
Cope 1882 | |||||||||
| original and current combination Crocodylus | ||||||||||
| mandibles with teeth | ||||||||||
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Reptilia
- Testudines
- Emydidae
|
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Emys sp.
Dumeril 1806
|
Cope 1882 | |||||||||
| shell | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Bighorn |
| Coordinates: | 44.3° North, 108.2° West (view map) | ||||
| Paleocoordinates: | 49.0° North, 91.0° West | ||||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| Key time interval: | Wasatchian | ||
| Age range of interval: | 54.90000 - 50.50000 m.y. ago |
Stratigraphy
| Formation: | Willwood | ||||
| Stratigraphy comments: Previously Wasatch Fm, subsequently renamed as Willwood Formation in the early 1940s |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | AMNH | ||
| Collectors: | AMNH | Collection dates: | 1911 |
Metadata
| Also known as: | Big Horn Basin | ||
| Database number: | 180111 | ||
| Authorizer: | P. Barrett, E. Vlachos | Enterer: | T. Cleary, E. Vlachos |
| Modifier: | T. Cleary | ||
| Created: | 2016-07-08 08:36:43 | Last modified: | 2017-07-20 06:11:52 |
| Access level: | the public | Released: | 2016-07-08 08:36:43 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 14538. | C. W. Gilmore. 1928. Fossil lizards of North America. Memoirs of the National Academy of Sciences 22(3):1-201 [J. Head/J. Head/M. Carrano] |
Secondary references:
| 6214 | T. M. Bown, K. D. Rose, E. L. Simons and S. L. Wing. 1994. Distribution and stratigraphic correlation of upper Paleocene and lower Eocene fossil mammal and plant localities of the Fort Union, Willwood, and Tatman formations, southern Bighorn Basin, Wyoming. United States Geological Survey Professional Paper 1540:1-103 [J. Alroy/J. Alroy/M. Uhen] | |
| 35427 | ETE | E. D. Cope. 1882. Contributions to the history of the Vertebrata of the lower Eocene of Wyoming and New Mexico, made during 1881. Proceedings of the American Philosophical Society 20(111):139-197 [M. Carrano/M. Carrano/M. Carrano] |
| 14549 | R. Estes. 1983. Sauria terrestria, Amphisbaenia. Handbuch der Paläoherpetologie 10A:1-249 [J. Head/J. Head/R. Benson] | |
| 60385 | R. M. Sullivan. 1979. Revision of the Paleogene genus Glyptosaurus (Reptilia, Anguidae). Bulletin of the American Museum of Natural History 163(1):1-72 [P. Barrett/T. Cleary] |