Thompson Creek (Eocene of the United States)
Where: Gallatin County, Montana (45.7° N, 111.0° W: paleocoordinates 47.5° N, 102.1° W)
• coordinate based on political unit
When: Chadronian (37.2 - 33.9 Ma)
Environment/lithology: terrestrial; poorly lithified claystone
• In these beds are...cracking clays...also light colored material ...containing lime. There are layers of limestone and strata of hard sandstone.
Size class: macrofossils
Primary reference: E. Douglass. 1902. Fossil Mammalia of the White River beds of Montana. Transactions of the American Philosophical Society 20:237-279 [J. Alroy/J. Alroy/W. Clyde]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 17028: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
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| Mammalia | |
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Hesperocyon gregarius6 Cope 1873 canid from "Thomson's Creek" and listed among Pipestone localities from Jefferson Co.
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Limnenetes platyceps n. sp., "? Limnenetes anceps n. sp." = Oreonetes anceps
Limnenetes platyceps n. sp. Douglass 1902 oreodont
"? Limnenetes anceps n. sp." = Oreonetes anceps Douglass 1902 oreodont | |
"Agriochoerus minimus n. sp." = Protoreodon minimus
"Agriochoerus minimus n. sp." = Protoreodon minimus Douglass 1902 agriochoerid | |
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Mesohippus latidens n. sp.
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1Douglass 1903; 2Galbreath 1953; 3Hunt 1998; 4Novacek 2000; 5Radinsky 1963; 6Wang 1994; 7Wood 1937; 8Wood 1940; 9Wood 1980