M 28 (Eocene of the United States)

Where: Wilcox County, Alabama (32.1° N, 87.5° W: paleocoordinates 34.1° N, 72.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• member-level stratigraphic resolution

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

• Environment from PBDB col 90038
• unlithified glaucontic calcareous clayey sand-Lithology from PBDB col 90038

Size class: mesofossils

Primary reference: K. V. Palmer and D. C. Brann. 1965. Catalogue of the Paleocene and Eocene mollusca of the southern and eastern United States. Part 1. Pelecypoda, Amphineura, Peteropoda, Scaphopoda and Cephalopoda. Bulletins of American Paleontology 48:1-471 [M. Kosnik/M. Kosnik/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91858: authorized by Jocelyn Sessa, entered by Laurie Eccles on 21.10.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Scaphopoda
 Dentaliida - Dentaliidae
Dentalium microstria Heilprin 1880 tusk shell
Gastropoda
 Heterostropha - Architectonicidae