M 315 (Eocene to of the United States)

Where: Bradley County, Arkansas (33.4° N, 92.0° W: paleocoordinates 34.2° N, 83.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Jackson Group, Bartonian to Bartonian (41.3 - 33.9 Ma)

• "lower Jackson Gr; Moody's Branch Fm; upper Jackson Gr; Yazoo cl.; Uppermost Jackson Gr; Danville Ldg. Beds"

• member-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

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 99164: authorized by Jocelyn Sessa, entered by Laurie Eccles on 01.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neogastropoda - Nassariidae
Tritiaria hilli Harris 1895 snail
 Neogastropoda - Mitridae
"Conomitra hammakeri" = Mitra hammakeri
"Conomitra hammakeri" = Mitra hammakeri Harris 1894 mitre shell