Where: Lauderdale County, Mississippi (32.3° N, 88.4° W: paleocoordinates 34.4° N, 73.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Bashi Member (Hatchetigbee Bluff Formation), Ypresian (56.0 - 47.8 Ma)

• Rep 1 30cm laterally from Rep 2, Rep 3 is 30cm from Rep 2

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; unlithified, glauconitic, muddy, calcareous sandstone

Size class: mesofossils

Collection methods: bulk,

• Locality is described in Dockery 1980 "The invertebrate macropaleontology of the Clarke County, Mississippi". Gastropod shells were only counted if they contained the apex of the shell; bivalve shells were only counted if they contained the umbo.

Primary reference: J. A. Sessa, T. J. Bralower, M. E. Patzkowsky, J. C. Handley, and L. C. Ivany. 2012. Environmental and biological controls on the diversity and ecology of Late Cretaceous through early Paleogene marine ecosystems in the US Gulf Coastal Plain. Paleobiology 38(2):218-239 [M. Patzkowsky/J. Sessa/J. Sessa]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 90028: authorized by Jocelyn Sessa, entered by Laurie Eccles on 30.06.2009

Creative Commons license: CC BY (attribution)