PRI 2181 (Paleocene of the United States)

Where: Choctaw County, Alabama (32.2° N, 88.0° W: paleocoordinates 35.0° N, 69.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Naheola Formation (Midway Group), Selandian (61.6 - 59.2 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 90605: authorized by Jocelyn Sessa, entered by Laurie Eccles on 10.08.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

 Neogastropoda - Volutidae
"Volutocorbis rugatus" = Athleta (Volutocorbis)
"Volutocorbis rugatus" = Athleta (Volutocorbis) volute
Volutocorbis rugatus saffordi
 Sorbeoconcha - Naticidae
Polinices eminulus Conrad 1833 moon snail
Polinices eminulus variation
Lacunaria "sp. A" Conrad 1866 moon snail
 Opisthobranchia - Retusidae
Retusa (Cylichnina) "sp. A" Monterasato 1884 snail