AMo-1 Bells Landing Marl (Paleocene of the United States)

Where: Monroe County, Alabama (31.8° N, 87.4° W: paleocoordinates 34.3° N, 70.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Bells Landing Marl Member (Tuscahoma Formation), Thanetian (59.2 - 56.0 Ma)

• The Bells Landing Marl Member is exposed near the top of the steep bluff 27 feet higher than the top of the Greggs Landing Marl Member and contains the characteristic large spheroidal concretions and large Ostrea sinosa, Venericardia aposmithii and Turritella postmortoni are mixed with Greggs Landing fossils at this location.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; unlithified, glauconitic sandstone

• No lithology description given. Lithology from PBDB col# 80761.

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/P. Mannion]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 80673: authorized by Arnold Miller, entered by Jocelyn Sessa on 03.05.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Cerithioidea - Turritellidae
"Turritella mortoni" = Kapalmerella mortoni Conrad 1830 turret shell
Turritella mortoni postmortoni
Turritella bellifera turret shell
Mesalia alabamiensis De Gregorio 1890 turret shell
 Sorbeoconcha - Naticidae
 Sorbeoconcha - Rostellariidae
 Neogastropoda - Volutidae
 Neogastropoda - Clavatulidae
"Surcula nasuta" = Turricula
"Surcula nasuta" = Turricula snail
Bivalvia
 Carditida - Carditidae
? Venericardia nanaplata Gardner and Bowles 1939 clam
? Venericardia nanaplata nanna
 Cardiida - Tellinidae
 Pectinida - Pectinoidae
"Chlamys greggi" = Dhondtichlamys greggi
"Chlamys greggi" = Dhondtichlamys greggi Harris 1897 scallop
 Arcida - Glycymerididae
Glycymeris idonea Conrad 1865 clam
Glycymeris idonea subsp.