M 721 (Eocene of the United States)

Where: Sabine County, Louisiana (31.6° N, 93.5° W: paleocoordinates 33.3° N, 82.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Weches Formation (Claiborne Group), Lutetian (47.8 - 41.3 Ma)

• member-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 98921: authorized by Jocelyn Sessa, entered by Laurie Eccles on 22.10.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Carditida - Carditidae
Venericardia (Rotundicardia) rotunda Lea 1833 clam
Venericardia (Rotundicardia) rotunda coloradonis