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Natchitoches SH 478 (Eocene of the United States)

Where: Natchitoches County, Louisiana (31.7° N, 93.1° W: paleocoordinates 32.7° N, 84.2° W)

• coordinate based on nearby landmark

When: P13 nannofossil zone, Milams Member (Cook Mountain Formation), Bartonian (40.4 - 37.2 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; poorly lithified sandstone

Size class: macrofossils

Preservation: original phosphate

Reposited in the USNM

Collection methods: quarrying, surface (in situ),

Primary reference: M. D. Uhen. 1998. New protocetid (Mammalia, Cetacea) from the late middle Eocene Cook Mountain Formation of Louisiana. Journal of Vertebrate Paleontology 18(3):664-668 [M. Uhen/M. Uhen/M. Uhen] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 32903: authorized by Mark Uhen, entered by Mark Uhen on 17.07.2003

Creative Commons license: CC BY (attribution)