M 138 (Eocene of the United States)

Where: Lauderdale County, Mississippi (32.4° N, 88.7° W: paleocoordinates 34.5° N, 74.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Bashi Member (Hatchetigbee Bluff Formation), Ypresian (56.0 - 47.8 Ma)

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; unlithified, glauconitic, phosphatic, gray, sandy sandstone

• Environment from PBDB col. 89868
• unlithified light gray glauconitic, possibly phosphatic, quartz sand. Lithology from PBDB col. 89868

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 91729: authorized by Jocelyn Sessa, entered by Laurie Eccles on 18.10.2009, edited by Ursula Smith

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Lucinida - Lucinidae
Gastropoda
 Cerithioidea - Turritellidae
Turritella gilberti turret shell