Also known as UCMP V-72208
Where: Garfield County, Montana (47.1° N, 106.9° W: paleocoordinates 53.8° N, 80.2° W)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: Upper Member (Hell Creek Formation), Lancian (70.6 - 66.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; silty sandstone
Size class: mesofossils
Reposited in the UCMP
Collection methods: bulk, surface (float), sieve,
Primary reference: J. D. Archibald. 1982. A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana. University of California Publications in Geological Sciences 122:1-286 [J. Alroy/J. Alroy/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 14582: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
Gnathostomata | |
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Amphibia | |
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Reptilia | |
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Aves | |
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Reptilia | |
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"Leidyosuchus sternbergi" = Borealosuchus sternbergii4
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"Clemmys backmani" = Osteopygis backmani4
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Mammalia | |
Cimolomys gracilis Marsh 1889 multituberculate | |
? Neoplagiaulacidae indet. Ameghino 1890 multituberculate | |
Cimolodon nitidus Marsh 1889 multituberculate | |
Didelphodon vorax Marsh 1889 metatherian | |
"Pediomys hatcheri" = Protolambda hatcheri
"Pediomys hatcheri" = Protolambda hatcheri Osborn 1898 metatherian | |
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Osteichthyes | |
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Actinopteri | |
Estesesox foxi7 Wilson et al. 1992 | |
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Chondrichthyes | |
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Myledaphus pustulosus3 Cook et al. 2014 guitarfish UCMP 128686, 2 teeth; UCMP 119874, 2 teeth; UCMP 119875, five complete and partial teeth; UCMP 119876, one partial tooth and one denticle
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"Squatirhina americana" = Restesia americana4
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