Also known as 1937 Smithsonian Paleontological Expedition, USNM 15560
Where: Emery County, Utah (39.2° N, 111.2° W: paleocoordinates 47.0° N, 88.2° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: North Horn Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• lower part of formation
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Collected by G. Pierce in 1937; reposited in the USNM
Collection methods: quarrying, mechanical,
• discovered by G. B. Pierce in June, 1937
Primary reference: Anonymous. 1937. Pasture of giant dinosaurs unearthed in Utah. Science Digest 2(5):65 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 45718: authorized by Matthew Carrano, entered by Matthew Carrano on 29.11.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
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