Also known as UCMP V-73078
Where: Garfield County, Montana (47.6° N, 107.1° W: paleocoordinates 54.4° 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• coordinate based on unpublished field data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; sandstone
Size class: mesofossils
Reposited in the UCMP
Collection methods: bulk, surface (float), anthill, 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 14536: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
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"Squatirhina americana" = Restesia americana2
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Gnathostomata | |
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Amphibia | |
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Mammalia | |
Mesodma thompsoni Clemens 1964 multituberculate | |
Gypsonictops cf. illuminatus Lillegraven 1969 eutherian | |
Pediomys elegans Marsh 1889 metatherian | |
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Glasbius twitchelli Archibald 1982 metatherian | |
Reptilia | |
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"Leidyosuchus sternbergi" = Borealosuchus sternbergii2
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Actinopteri | |
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