M 774 (Eocene of the United States)

Where: Ocean County, New Jersey (40.1° N, 74.3° W: paleocoordinates 40.1° N, 58.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Manasquan Formation, Early/Lower Eocene (55.8 - 48.6 Ma)

• lower Eocene, Manasquan fm; middle Eocene, Shark R marl

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: mesofossils

Primary reference: K. V. Palmer and D. C. Brann. 1965. Catalogue of the Paleocene and Eocene mollusca of the southern and eastern United States. Part 1. Pelecypoda, Amphineura, Peteropoda, Scaphopoda and Cephalopoda. Bulletins of American Paleontology 48:1-471 [M. Kosnik/M. Kosnik/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101343: authorized by Jocelyn Sessa, entered by Ursula Smith on 20.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neogastropoda - Buccinidae
? Siphonalia johnsoni Richards 1947 true whelk