M 85 (Paleocene of the United States)

Also known as LGS 38

Where: Sabine County, Louisiana (31.5° N, 93.6° W: paleocoordinates 35.0° N, 76.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Marthaville Formation (Wilcox Group), Thanetian (59.2 - 56.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

• Impressions and casts found in weathered ferruginous concretions (Barry & LeBlanc 1942).

Size classes: macrofossils, mesofossils

Preservation: mold/impression

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 92281: authorized by Jocelyn Sessa, entered by Laurie Eccles on 04.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Mytilida - Mytilidae
 Ostreida - Ostreidae
"Ostrea thirsae" = Odontogryphaea thirsae Gabb 1862 oyster