M 198 (Eocene of the United States)

Where: Bastrop County, Texas (30.0° N, 97.2° W: paleocoordinates 32.1° N, 86.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Viesca Member (Weches Formation), Lutetian (47.8 - 41.3 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 98703: authorized by Jocelyn Sessa, entered by Ursula Smith on 19.10.2010, edited by Laurie Eccles

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Cerithioidea - Turritellidae
Turritella nasuta turret shell
Turritella nasuta smithvillensis
 Neogastropoda - Volutidae
Lapparia nuda Stenzel and Turner 1940 volute
 Sorbeoconcha - Naticidae
Sinum declive Conrad 1833 moon snail