Where: Park County, Wyoming (44.9° N, 108.9° W: paleocoordinates 52.2° N, 83.4° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Lance Formation, Lancian (70.6 - 66.0 Ma)
• "at the base of the Lance Formation in the Little Polecat Anticline, and is located below the Sage Point and the Rock Bench Quarry."
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; massive sandstone
Size classes: macrofossils, mesofossils
Collected by J. Dyer in 1947; reposited in the YPM
Collection methods: bulk, quarrying, surface (in situ),
• orig. discovered by Husky Oil Company prospecting party
Primary reference: P. D. Gingerich, K. D. Rose, and D. W. Krause. 1980. Early Cenozoic mammalian faunas of the Clark's Fork Basin-Polecat Bench area, northwestern Wyoming. University of Michigan Papers on Paleontology 24:51-68 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 14526: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
Osteichthyes | |
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Reptilia | |
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Mammalia | |
Alphadon cf. marshi Simpson 1927 metatherian | |
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Cimolomys gracilis Marsh 1889 multituberculate | |
Cimolodon nitidus Marsh 1889 multituberculate | |
Mesodma formosa Marsh 1889 multituberculate |