Also known as UW V-81006; UCMP V-81101
Where: Natrona County, Wyoming (42.9° N, 107.3° W: paleocoordinates 49.7° N, 75.8° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Mesaverde Formation, Judithian (83.5 - 70.6 Ma)
• now dated to upper middle Campanian
• group of beds-level stratigraphic resolution
Environment/lithology: "channel"; lithified, ferruginous, pebbly conglomerate and yellow, argillaceous sandstone
Size class: mesofossils
Collected by J. Hutchison, M. Greenwald, J. Lillegraven, D. DeMar, B. Breithaupt in 1976, 1981-1983, 2005-2006; reposited in the UCMP
Collection methods: bulk, sieve,
Primary reference: J. A. Lillegraven and M. C. McKenna. 1986. Fossil mammals from the "Mesaverde" Formation (Late Cretaceous, Judithian) of the Bighorn and Wind River basins, Wyoming, with definitions of Late Cretaceous North American Land-Mammal "Ages". American Museum Novitates 2840:1-68 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 14458: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Matthew Carrano, Patricia Holroyd and Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
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"Squatirhina americana" = Restesia americana2
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Osteichthyes | |
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Actinopteri | |
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Belonostomus longirostris2 Lambe 1902 | |
Pycnodontidae indet.2 Agassiz 1833 | |
Amphibia | |
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Reptilia | |
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Mammalia | |
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Gypsonictops lewisi Sahni 1972 eutherian | |
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Cimolomys clarki Sahni 1972 multituberculate | |
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"Mesodma primaeva" = Filikomys primaevus, Mesodma sp.
"Mesodma primaeva" = Filikomys primaevus Lambe 1902 multituberculate
Mesodma sp. Jepsen 1940 multituberculate |