Where: Prince George's County, Maryland (38.9° N, 76.9° W: paleocoordinates 39.7° N, 52.8° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Monmouth Group, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Collection methods: Repository: Maryland Geological Survey
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 78173: authorized by Wolfgang Kiessling, entered by Uta Merkel on 30.01.2008, edited by Mark Uhen
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
"Lamna elegans" = Striatolamia macrota
"Lamna elegans" = Striatolamia macrota Agassiz 1838 goblin shark | |
Echinoidea | |
"Cardiaster marylandica n. sp." = Cardiaster marylandicus
"Cardiaster marylandica n. sp." = Cardiaster marylandicus Clark 1916 sea urchin |