M 820 (Eocene of the United States)

Where: Lee County, Texas (30.4° N, 96.8° W: paleocoordinates 31.7° N, 88.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• formation-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 98886: authorized by Jocelyn Sessa, entered by Ursula Smith on 22.10.2010, edited by Laurie Eccles

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neogastropoda - Turridae
Eosurcula moorei Gabb 1860 turrid
Eosurcula moorei and Eosurcula moorei gamma
 Neogastropoda - Cochlespiridae
"Eodrillia texana" = Tropisurcula (Eodrillia)
"Eodrillia texana" = Tropisurcula (Eodrillia) snail
 Neogastropoda - Cancellariidae
Trigonostoma panones snail
Trigonostoma panones smithvillense
Bivalvia
 Nuculida - Nuculidae
Nucula (Nucula) mauricensis Harris 1919 nut clam