Burns Mine (Bear Creek): Clarkforkian, Montana
collected by Princeton University 1950
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
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Titanoides sp.
Gidley 1917
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Reptilia
- Testudines
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Plastomenoides lamberti
Hutchison 2009
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Hutchison 2009 | 5 specimens | ||||||||
YPM PU 16319 - type (a nearly complete carapace); paratypes: YPM PU 16320 (nearly complete carapace); YPM PU 16321 (nearly complete plastron lacking epiplastra); YPM PU 16322 (nearly complete plastron lacking epiplastra); YPM PU 16238 (partial plastron consisting of left hyoplastron, left xiphiplastron, and a partial left hypoplastron and various costal fragments) | ||||||||||
= Hutchemys arctochelys n. sp.
Joyce et al. 2009
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Joyce et al. 2009 | |||||||||
Judithemys backmani
(Russell 1934)
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Brinkman et al. 2010 | 2 specimens | ||||||||
recombined as Osteopygis backmani | ||||||||||
YPM VPPU 016235 (a nearly complete, though heavily fractured, carapace and plastron) and YPM VPPU 016237 (a heavily fragmented carapace, left epiplastron, and right hypoplastron); initially identified as Protochelydra sp., but examination of the material by Parham (2005) indicated that both turtles belong to “Macrobaenidae” | ||||||||||
Reptilia
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Champsosaurus sp.
Cope 1876
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1 specimen | |||||||||
nearly complete skeleton | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Montana | County: | Carbon |
Coordinates: | 45.2° North, 109.0° West (view map) | ||||
Paleocoordinates: | 50.5° North, 90.0° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | small collection |
Time
Period: | Paleogene | Epoch: | Paleocene |
Stage: | Thanetian | 10 m.y. bin: | Cenozoic 1 |
Key time interval: | Clarkforkian | ||
Age range of interval: | 56.80000 - 55.80000 m.y. ago |
Stratigraphy
Formation: | Fort Union | Member: | Tongue River | ||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Bear Creek Local Fauna, Clarkforkian 1 |
Lithology and environment
Primary lithology: | not reported |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | YPM | ||
Collectors: | Princeton University | Collection dates: | 1950s |
Metadata
Also known as: | Princeton University | ||
Database number: | 137834 | ||
Authorizer: | P. Mannion, A. Dunhill | Enterer: | P. Mannion, B. Allen |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2012-12-21 23:05:23 | Last modified: | 2023-05-31 15:19:27 |
Access level: | the public | Released: | 2012-12-21 23:05:23 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
44082. | W. G. Joyce, A. Revan, T. R. Lyson and I. G. Danilov. 2009. Two new plastomenine softshell turtles from the Paleocene of Montana and Wyoming. Bulletin of the Peabody Museum of Natural History 50(2):307-325 [P. Mannion/P. Mannion] |
Secondary references:
44081 | D. B. Brinkman, M. J. Densmore, and W. G. Joyce. 2010. “Macrobaenidae” (Testudines: Eucryptodira) from the Late Paleocene (Clarkforkian) of Montana and the taxonomic treatment of “Clemmys” backmani. Bulletin of the Peabody Museum of Natural History 51(2):147-155 [P. Mannion/P. Mannion] | |
82442 | A. D. Gentry, C. R. Kiernan, and J. F. Parham. 2023. A large non-marine turtle from the Upper Cretaceous of Alabama and a review of North American “macrobaenids”. The Anatomical Record 306(6):1411-1430 [E. Vlachos/E. Vlachos/M. Carrano] | |
58298 | J. H. Hutchison. 2009. New soft-shelled turtles (Plastomeninae, Trionychidae, Testudines) from the Cretaceous and Paleocene of North America. PaleoBios 29(2):36-47 [P. Holroyd/P. Holroyd] | |
63467 | N. S. Vitek and W. G. Joyce. 2015. A Review of the Fossil Record of New World Turtles of the Clade Pan-Trionychidae. Bulletin of the Peabody Museum of Natural History 56(2):185-244 [P. Mannion/P. Mannion] |