Also known as Willow Beach north, Willows Beach north

Where: Prince Frederick County, Maryland (38.6° N, 76.5° W: paleocoordinates 38.8° N, 73.2° W)

• coordinate estimated from map

When: Plum Point Member (Calvert Formation), Langhian (16.0 - 13.8 Ma)

• Strontium dating indicates the age of bed 10 to be 16.2–15.8 Ma, or possibly somewhat older (16.4 Ma) [48, 49]. (Marx & Fordyce, 2015).

• bed-level stratigraphic resolution

Environment/lithology: estuary or bay; yellow, sandy claystone

Size class: macrofossils

Primary reference: G. B. Shattuck. 1904. Geological and paleontological relations, with a review of earlier investigations. Maryland Geological Survey Miocene Text xxxiii-clv [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 60379: authorized by Mark Uhen, entered by Mark Uhen on 11.05.2006

Creative Commons license: CC BY (attribution)