M 649 (Eocene of the United States)

Where: Clarke County, Alabama (31.6° N, 88.0° W: paleocoordinates 32.3° N, 79.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Gosport Sand Formation (Claiborne Group), Bartonian (41.3 - 38.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; unlithified, glauconitic, shelly/skeletal, calcareous sandstone

• the gosport sand … consists of 2-10m of extremely fossiliferous, unconsolidated, glauconitic, calcareous quartz sand, with occasional indurated ledges and thin lenses of carbonaceous shale and lignite. Lithology from PBDB col 5311.

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 98301: authorized by Jocelyn Sessa, entered by Laurie Eccles on 30.09.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Trochoidea - Skeneidae
Solariorbis depressus
 Neogastropoda - Borsoniidae
Pseudotoma gardneri
 Neogastropoda - Buccinidae
"Siphonalia" quadrilineata