Where: Clarke County, Mississippi (32.2° N, 88.8° W)

• Paleocoordinates: 36.0° N, 69.9° W (Wright 2013)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Winona Formation, Middle Eocene (47.8 - 37.7 Ma)

• Lower Claibornian: lower part of the middle Eocene

Environment/lithology: marine; gray mudstone and fine-grained, gray, carbonaceous sandstone

Size class: microfossils

Preservation: original sporopollenin

Reposited in the USGS

Collection methods: core, chemical, hydrochloric, hydroflouric,

• Samples were prepared by means of standard acid maceration as well as by swirling and (or) ZnBr2 separation. Residues were mounted in glycerine jelly.

Primary reference: N. O. Frederiksen. 1979. Paleogene Sporomorph Biostratigraphy, Northeastern Virginia. Palynology 3:129-167 [P. Jardine/H. Morck]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 232646: authorized by Phillip Jardine, entered by Hannah Morck on 15.12.2023

Creative Commons license: CC0 (CC0)