Where: St. Marys County, Maryland (38.2° N, 76.5° W: paleocoordinates 38.3° N, 74.4° W)

• coordinate estimated from map

When: Windmill Point Member (Saint Marys Formation), Tortonian (11.6 - 7.2 Ma)

Environment/lithology: marine; argillaceous, silty sandstone

Primary reference: L. W. Ward. 1992. Molluscan biostratigraphy of the Miocene Middle Atlantic Coastal Plain of North America. Virginia Museum of Natural History 2 [A. Miller/A. Hendy] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 71636: authorized by Mark Uhen, entered by Mark Uhen on 02.05.2007