Prairie Bluff (Morton collection) (Cretaceous of the United States)

Where: Wilcox County, Alabama (32.1° N, 87.4° W: paleocoordinates 35.5° N, 65.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Discoscaphites conradi ammonoid zone, Prairie Bluff Formation (Selma Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Was just Selma Group; however, the chalk in this area of that age is now the Prairie Bluff or Prairie Bluff Chalk formation

• bed-level stratigraphic resolution

Environment/lithology: chalk

• relatively shallow water of the neritic zone near shore

Size class: macrofossils

Collected by Morton; reposited in the ANSP

Primary reference: W. M. Gabb. 1860. Descriptions of new species of American Tertiary and Cretaceous fossils. Journal of the Academy of Natural Sciences of Philadelphia 4:375-406 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 123411: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.01.2012, edited by Pete Wagner and Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Caryophylliidae
"Dasmosmilia reesidei" = Dasmosmilia kochii2
"Dasmosmilia reesidei" = Dasmosmilia kochii2 Pratz 1910 stony coral
Echinoidea
 Cassiduloida -
"Cassidulus aequoreus n. sp." = Hardouinia aequorea1
"Cassidulus aequoreus n. sp." = Hardouinia aequorea1 Morton 1834 sea urchin
Gastropoda
 Sorbeoconcha - Eocypraeidae
"Cypraea mortoni n. sp." = Eocypraea (Eocypraea) mortoni
"Cypraea mortoni n. sp." = Eocypraea (Eocypraea) mortoni Gabb 1860 snail
information from Groves 1990