USGS M 31484 (Cretaceous of the United States)

Where: Lowndes County, Mississippi (33.5° N, 88.5° W: paleocoordinates 34.2° N, 57.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Tombigbee Sand Member (Eutaw Formation), Late/Upper Santonian (85.8 - 83.5 Ma)

• 4.72m above base of member. PJW: although the formation goes down to the Early Santonian, this member seems to be Upper Santonian

• bed-level stratigraphic resolution

Environment/lithology: marine; glauconitic sandstone

Size class: macrofossils

Reposited in the USGS

Primary reference: W. J. Kennedy and W. A. Cobban. 1991. Upper Cretaceous (upper Santonian) Boehmoceras fauna from the Gulf Coast region of the United States. Geological Magazine 128(2):167-189 [M. Patzkowsky/K. Layou]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3583: authorized by Mark Patzkowsky, entered by Karen Layou on 05.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Scaphitidae
"Scaphites leei" = Scaphites (Scaphites) leei
"Scaphites leei" = Scaphites (Scaphites) leei Reeside 1927 ammonite
 Ammonitida - Baculitidae
Boehmoceras arculus Morton 1834 ammonite
 Ammonitida - Collignoniceratidae
Reginaites exilis n. sp. Kennedy and Cobban 1991 ammonite
"exilis sp. nov." - originally entered as "Reginaites exilis sp. nov."
 Ammonitida - Muniericeratidae
Pseudoschloenbachia mexicana Renz 1936 ammonite