M 379 (Eocene of the United States)

Where: Brazos County, Texas (30.7° N, 96.4° W: paleocoordinates 31.9° N, 87.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Cook Mountain Formation (Claiborne Group), Bartonian (41.3 - 38.0 Ma)

• 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 92206: authorized by Jocelyn Sessa, entered by Laurie Eccles on 03.11.2009, edited by Ursula Smith

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neogastropoda - Fasciolariidae
Papillina dumosa Conrad 1854 snail
Papillina dumosa trapaquara
 Sorbeoconcha - Eocypraeidae
Sulcocypraea kennedyi Harris 1895 snail
Bivalvia
 Thraciida - Periplomatidae
Periploma collardi Harris 1895 clam
 Cardiida - Ungulinidae
"Timothynus anterproductus" = Diplodonta (Timothynus)
"Timothynus anterproductus" = Diplodonta (Timothynus) clam