USGS Mesozoic 16242, Wahalak (Cretaceous of the United States)

Also known as Nahalak

Where: Kemper County, Mississippi (32.9° N, 88.5° W: paleocoordinates 36.5° N, 65.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Selma Group, Maastrichtian (72.1 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: chalk

Size class: macrofossils

Collected by Wetherby; reposited in the USNM

Primary reference: J. W. Wells. 1933. Corals of the Cretaceous of the Atlantic and Gulf Coastal Plains and Western Interior of the United States. Bulletins of American Paleontology 18(67):85-288 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 123370: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.01.2012, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Caryophylliidae
"Caryophyllia mississippiensis" = Caryophyllia konincki
"Caryophyllia mississippiensis" = Caryophyllia konincki Milne-Edwards and Haime 1848 stony coral
Echinoidea
 Cidaroida - Cidaridae
"Cidaris nahalakensis n. sp." = Cidaris wahalakensis
"Cidaris nahalakensis n. sp." = Cidaris wahalakensis de Loriol 1887 pencil urchin
 Calycina - Phymosomatidae
"Cyphosoma mortoni n. sp." = Rachiosoma mortoni
"Cyphosoma mortoni n. sp." = Rachiosoma mortoni de Loriol 1887 sea urchin