Frank Ranch (Miocene of the United States)
Also known as MV 6015
Where: Madison County, Montana (45.2° N, 112.0° W)
• Paleocoordinates: 48.8° N, 106.2° W (Wright 2013)
• coordinate based on political unit
• small collection-level geographic resolution
When: Sixmile Creek Formation, Miocene (23.0 - 5.3 Ma)
Environment/lithology: terrestrial
Primary reference: W. D. Kuenzi and R. W. Fields. 1971. Tertiary Stratigraphy, Structure, and Geologic History, Jefferson Basin, Montana. Geological Society America Bulletin 82(12):3373-3394 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 18896: authorized by John Alroy, entered by John Alroy on 26.07.1994
Creative Commons license: CC0 (CC0)
Taxonomic list
Show authors, comments, and common names
| Mammalia | |
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Acritohippus isonesus Cope 1889 horse | |
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Agriochoeridae indet. Leidy 1869 agriochoerid could be Merychyus elegans of Kelly and Lander 1988 from "Sixmile Creek Formation equivalent... Sage Creek area, Red Rock River valley" and "Sixmile Creek Member, Renova Formation... Jefferson River Valley"
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