Where: Clarke County, Mississippi (32.2° N, 88.8° W: paleocoordinates 32.9° N, 79.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Archusa marl Member (Cook Mountain Formation), Bartonian (41.3 - 38.0 Ma)

• Weathered archusa marl with silicified fossils in a 2-3 inch zone above the basal contact with nonfossiliferous, well-sorted, cross-bedded Kusciusko sand.

• member-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: mesofossils

Primary reference: D. T. Dockery. 1980. Invertebrate Macropaleontolgy of the Clarke County Mississippi Area. Bulletin - Mississippi Geological, Economic and Topographic Survey 122 [M. Kosnik/M. Kosnik/L. Eccles]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99671: authorized by Jocelyn Sessa, entered by Laurie Eccles on 18.11.2010

Creative Commons license: CC BY (attribution)