Where: Prince Georges County, Maryland (38.9° N, 76.9° W: paleocoordinates 39.7° N, 52.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Jeletzkytes nebrascensis ammonoid zone, Severn Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Severn Fm, which regionally overlies the Matawan Fm, and is overlain by the Brightseat Fm. The Severn Fm grades laterally into the Mount Laurel Sand. AGE: Late Maastrichtian on the basis of nannofossil and ammonite biostratigraphy; Jeletzkytes nebrascensis zone. STRATIGRAPHIC POSITION: From unknown position within formation

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, glauconitic, argillaceous sandstone

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: surface (in situ),

• COLLECTOR: Unknown. REPOSITORY: Monmouth Amateur Paleontologists Society

Primary reference: N. H. Landman and K. M. Waage. 1993. Scaphitid ammonites of the Upper Cretaceous (Maastrichtian) Fox Hills Formation in South Dakota and Wyoming. Bulletin of the American Museum of Natural History 215:1-257 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 82408: authorized by Austin Hendy, entered by Austin Hendy on 27.07.2008

Creative Commons license: CC BY (attribution)