Where: Clarke County, Mississippi (32.3° N, 88.8° W: paleocoordinates 33.4° N, 78.4° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Basic City Shale Member (Tallahatta Formation), Middle Eocene (47.8 - 37.7 Ma)

• Lower Claibornian: lower part of the middle Eocene. Underlies the Winona Formation.

Environment/lithology: marine; gray, green shale

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 233001: authorized by Phillip Jardine, entered by Hannah Morck on 10.01.2024

Creative Commons license: CC BY (attribution)