Where: Pontotoc County, Mississippi (34.2° N, 89.0° W: paleocoordinates 37.8° N, 66.4° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Owl Creek Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; yellow siltstone
Size class: macrofossils
Collected by L.W. Stephenson; reposited in the USNM
Primary reference: C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44 [W. Kiessling/U. Merkel/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 197609: authorized by Matthew Clapham, entered by Matthew Clapham on 17.11.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
Hemiaster wetherbyi de Loriol 1887 heart urchin |