PRI 2750 (Eocene of the United States)

Where: Sabine County, Louisiana (31.5° N, 93.5° W: paleocoordinates 32.5° N, 84.7° 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 92388: authorized by Jocelyn Sessa, entered by Laurie Eccles on 09.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Sorbeoconcha - Naticidae
Natica "spp. A" Scopoli 1777 moon snail
 Neogastropoda - Turridae
 Neogastropoda - Conidae
 Neogastropoda - Terebridae
 Neogastropoda - Melongenidae
Levifusus mortoniopsis snail
Levifusus mortoniopsis carexus
 Neogastropoda - Buccinidae
Pseudoliva vetusta Conrad 1833 true whelk
Pseudoliva vetusta carinata
Buccitriton sagenum Conrad 1833 true whelk
 Sorbeoconcha - Ranellidae
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata Gabb 1860 triton shell
 Sorbeoconcha - Cassidae
Galeodea planotecta Meyer and Aldrich 1886 snail
 Heterostropha - Ringiculidae
Ringicula trapaquara snail
Ringicula trapaquara deusseni
 Opisthobranchia - Retusidae