PRI 774 (Eocene of the United States)

Where: Newton County, Mississippi (32.3° N, 89.2° W: paleocoordinates 33.0° N, 80.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Archusa Marl Member (Upper Lisbon Formation), Bartonian (41.3 - 38.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; unlithified, glauconitic marl

• Lithology from PBDB col. 2434.

Size class: mesofossils

Collection methods: G.D.Harris collection.

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 90887: authorized by Jocelyn Sessa, entered by Laurie Eccles on 22.08.2009, edited by Ursula Smith

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neogastropoda - Fasciolariidae
 Sorbeoconcha - Ficidae
"Ficopsis texana" = Ficus
"Ficopsis texana" = Ficus fig shell
Bivalvia
 Carditida - Crassatellidae
Bathytormus clarkensis Dall 1900 clam