ammonites
Mattawoman Creek (Eocene of the United States)

Where: Charles County, Maryland (38.6° N, 77.2° W: paleocoordinates 38.6° N, 64.9° W)

• coordinate estimated from map

When: Aquia Formation, Eocene (55.8 - 33.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: coastal; lithology not reported

Size class: macrofossils

Primary reference: C. R. Eastman. 1901. Pisces. Maryland Geological Survey Eocene 98-115 [M. Uhen/M. Uhen] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 127180: authorized by Mark Uhen, entered by Mark Uhen on 01.05.2012