Where: Prince Georges County, Maryland (38.9° N, 76.9° W: paleocoordinates 39.8° N, 52.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Exogyra costata other zone, Monmouth Group, Maastrichtian (72.1 - 66.0 Ma)

• Exogyra costata zone

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: L. W. Stephenson. 1916. North American Upper Cretaceous corals of the genus Micrabacia. United States Geological Survey Professional Paper 98:115-131 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87726: authorized by Wolfgang Kiessling, entered by Uta Merkel on 23.03.2009

Creative Commons license: CC BY (attribution)