Also known as LNa-1a

Where: Natchitoches County, Louisiana (31.8° N, 93.1° W: paleocoordinates 33.5° N, 81.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: late zone, Weches Formation, Lutetian (47.8 - 41.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: offshore; unlithified, glauconitic marl

Size class: mesofossils

Preservation: cast, original aragonite, original calcite

Collection methods: bulk, mechanical, sieve,

Primary reference: L. C. Ivany. 1997. Faunal stability and environmental change in the middle Eocene Gulf Coastal Plain (PhD Thesis, Harvard University). 1-221 [L. Ivany/L. Ivany/A. Clement]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 2409: authorized by Linda Ivany, entered by Linda Ivany on 03.07.1999

Creative Commons license: CC BY (attribution)