AWi-10 (Paleocene of the United States)

Where: Wilcox County, Alabama (31.9° N, 87.0° W: paleocoordinates 34.9° N, 67.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: lower Member (Porters Creek Formation), Danian (66.0 - 61.6 Ma)

• Local section name: AWi-10

•Lower Porters Creek=Danian (JAS 14Oct2010)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; poorly lithified, concretionary, glauconitic, phosphatic, gray, green, yellow, calcareous claystone

• clay, greenish-gray, weathers yellow, massive, calcareous, sparsely glauconitic, fossiliferous; contains small white calcareous masses and phosphatic nodules.

Size class: mesofossils

Primary reference: L. D. Toulmin. 1977. Stratigraphic Distribution of Paleocene and Eocene Fossils in the Eastern Gulf Coast Region. Geological Survey of Alabama, Monograph 13 1:1-602 [M. Patzkowsky/K. Layou/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2862: authorized by Mark Patzkowsky, entered by Karen Layou on 21.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Polychaeta
 Sabellida - Serpulidae
Bivalvia
 Arcida - Cucullaeidae
 Carditida - Crassatellidae
"Crassatella sepulcollis" = Crassatella aquiana
"Crassatella sepulcollis" = Crassatella aquiana Clark 1895 clam
 Carditida - Carditidae
"Venericardia wilcoxensis" = Venericardia (Baluchicardia) wilcoxensis
"Venericardia wilcoxensis" = Venericardia (Baluchicardia) wilcoxensis Dall 1903 clam
 Cardiida - Veneridae
? Pitar ripleyanus venus clam
originally entered as "Pitar? ripleyanus"
 Nuculida - Nuculidae
"Nucula mediavia" = Nucula (Nucula) mediavia
"Nucula mediavia" = Nucula (Nucula) mediavia Harris 1896 nut clam
Gastropoda
 Neogastropoda - Buccinidae
Pseudoliva sp. Swainson 1840 true whelk
 Stromboidea - Rostellariidae
Calyptraphorus sp. Conrad 1857 snail
originally entered as "Calyptraphorus spp."
 Naticoidea - Naticidae
Natica sp. Scopoli 1777 moon snail
Euspira perspecta moon snail
 Sorbeoconcha - Turritellidae
"Turritella alabamiensis" = Mesalia alabamiensis, Turritella aldrichi
"Turritella alabamiensis" = Mesalia alabamiensis De Gregorio 1890 turret shell
Turritella aldrichi turret shell
Scaphopoda
 Dentaliida - Dentaliidae
Cephalopoda
 Nautilida - Hercoglossidae
Hercoglossa ulrichi White 1882 nautiloid
Anthozoa
 Scleractinia - Dendrophylliidae
Balanophyllia sp. Wood 1844 stony coral
 Scleractinia - Flabellidae
Flabellum conoideum Vaughan 1900 stony coral