PRI 2186 (Paleocene of the United States)

Where: Wilcox County, Alabama (31.9° N, 87.1° W: paleocoordinates 34.5° N, 69.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Oak Hill Member (Naheola Formation), Selandian (61.6 - 59.2 Ma)

• member-level stratigraphic resolution

Environment/lithology: coastal; unlithified, silty claystone and unlithified sandstone

• Lithology from Toulmin, 1977: "laminated silty clay and silt with thin beds of fine grained sand"

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 90607: authorized by Jocelyn Sessa, entered by Laurie Eccles on 10.08.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Nuculanida - Nuculanidae
Saccella quercollis Harris 1896 pointed nut clam
Gastropoda
 Opisthobranchia - Haminoeidae
Atys "sp. B" Montfort 1810 snail
 Heterostropha - Mathildidae
 Neogastropoda - Turridae
"Coronia mediavia" = Gemmula (Coronia)
"Coronia mediavia" = Gemmula (Coronia) turrid
 Neogastropoda - Raphitomidae
 Neogastropoda - Turbinellidae
 Neogastropoda - Volutidae
"Volutocorbis limopsis" = Athleta (Volutocorbis), "Volutocorbis rugatus" = Athleta (Volutocorbis)
"Volutocorbis limopsis" = Athleta (Volutocorbis) volute
"Volutocorbis rugatus" = Athleta (Volutocorbis) volute
 Neogastropoda - Olivellidae
 Sorbeoconcha - Naticidae
Polinices eminulus Conrad 1833 moon snail
Polinices eminulus variation