Also known as UCMP V-73083
Where: Garfield County, Montana (47.5° N, 106.4° W: paleocoordinates 54.2° N, 79.5° W)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: 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 14546: 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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Amphibia | |
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Mammalia | |
Essonodon browni Simpson 1927 multituberculate
Meniscoessus robustus Marsh 1889 multituberculate | |
Cimolodon nitidus Marsh 1889 multituberculate | |
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Reptilia | |
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"Leidyosuchus sternbergi" = Borealosuchus sternbergii3
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"Anatosaurus sp." = Edmontosaurus3
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Actinopteri | |
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