Peterson Creek (Middle MV 7303) ( of the United States)
Also known as Big Wash North; ISU 59003; Rodent Wash; South Bluff
Where: Lemhi County, Idaho (45.0° N, 113.6° W: paleocoordinates 46.2° N, 107.8° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Peterson Creek Beds Formation, Arikareean (29.5 - 18.5 Ma)
Environment/lithology: terrestrial
Primary reference: R. Nichols. 1976. Early Miocene mammals from the Lemhi Valley of Idaho. Tebiwa 18(2):9-47 [J. Alroy/J. Alroy/M. Uhen]more details
PaleoDB collection 17584: authorized by John Alroy, entered by John Alroy on 26.03.1995
Creative Commons license: CC BY (attribution)
Taxonomic list
• three separate localities/sections; Rodent Wash section is entirely above the others
most material is from the "middle" of the section
said to be "medial Arikareean"
a "Peterson Creek" list with no revisions whatsoever is given by Nichols 1998
NISP 36
"Allomys sp." Nichols 1979: South Bluff, base of section; this is higher than position of "M." yeariani but about 50' below most of the other small mammals; NISP 1
most material is from the "middle" of the section
said to be "medial Arikareean"
a "Peterson Creek" list with no revisions whatsoever is given by Nichols 1998
NISP 36
"Allomys sp." Nichols 1979: South Bluff, base of section; this is higher than position of "M." yeariani but about 50' below most of the other small mammals; NISP 1
Show authors, comments, and common names
| Mammalia | |
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Procyonidae indet. Gray 1825 procyonid carnivore | |
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Merycoidodontidae indet. Cook 1912 oreodont
Megoreodon grandis Douglass 1907 oreodont | |
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"Tamiini indet." = Marmotini2
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Niglarodon sp., "Meniscomys petersonensis n. sp." = Niglarodon petersonensis
"Meniscomys petersonensis n. sp." = Niglarodon petersonensis Nichols 1976 mountain beaver middle of section at Big Wash and South Bluff; (1+ 2)
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"Promylagaulus lemhiensis n. sp." = Trilaccogaulus lemhiensis
"Promylagaulus lemhiensis n. sp." = Trilaccogaulus lemhiensis Nichols 1976 rodent middle of section at Big Wash, base of section at Rodent Wash
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