Where: Cecil County, Maryland (39.5° N, 75.9° W: paleocoordinates 39.0° N, 45.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Merchantville Formation, Early/Lower Campanian (83.5 - 70.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Merchantville Formation, for which lithostratigraphic relations are not discussed in text. AGE: Early Campanian, on the basis of ammonite biostratigraphy; Submortoniceras tequesquitense biozone. STRATIGRAPHIC POSITION: From unknown position within formation.

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified claystone

Size class: macrofossils

Preservation: cast, mold/impression

Collected by Kennedy et al.; reposited in the USNM

Collection methods: surface (in situ),

• COLLECTORS: Kennedy et al. REPOSITORY: USNM and Monmouth Amateur Paleontologists Society (MAPS).

Primary reference: W. J. Kennedy, W. A. Cobban, N. H. Landman and R. O. Johnson. 1997. New ammonoid records from the Merchantville Formation (Upper Cretaceous) of Maryland and New Jersey. American Museum Novitates 3193:1-17 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 82386: authorized by Austin Hendy, entered by Austin Hendy on 26.07.2008

Creative Commons license: CC BY (attribution)