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 fossiliferous bed, about 9 feet thick, contains the characteristic large spheroidal concretions 5 or 6 feet thick, and the characteristic large shells of Ostrea sinuosa, Venericardia aposmithii, and Turritella postmortoni as well as other mollusks.
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; unlithified, glauconitic, gray, green sandstone
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 80761: authorized by Arnold Miller, entered by Jocelyn Sessa on 06.05.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Mesalia alabamiensis, "Turritella mortoni" = Kapalmerella mortoni, Turritella bellifera, Turritella praecincta
Turritella bellifera turret shell
Turritella praecincta turret shell | |
"Surcula nasuta" = Turricula
"Surcula nasuta" = Turricula snail | |
"Siphonalia" sp. Adams 1863 true whelk | |
"Buccinanops ellipticum" = Bullia (Buccinanops)
"Buccinanops ellipticum" = Bullia (Buccinanops) snail | |
Levifusus supraplanus snail
Levifusus pagodiformis Heilprin 1881 snail | |
Athleta tuomeyi, "cf. Scaphella newcombiana" = Scaphella
Athleta tuomeyi volute
"cf. Scaphella newcombiana" = Scaphella volute | |
Bivalvia | |
"Chlamys greggi" = Dhondtichlamys greggi
"Chlamys greggi" = Dhondtichlamys greggi Harris 1897 scallop | |
Ostrea sinuosa oyster | |
Panopea alabama clam | |
"Corbula subengonata" = Cuneocorbula subengonata
"Corbula subengonata" = Cuneocorbula subengonata Dall 1898 clam | |
Dosiniopsis lenticularis Rogers 1838 venus clam | |
| |
Crassatella tumidula Whitfield 1865 clam | |
"Calorhadia pharcida" = Calorhadia (Calorhadia) pharcida
"Calorhadia pharcida" = Calorhadia (Calorhadia) pharcida Dall 1898 pointed nut clam |