Where: wilcox County, Alabama (32.0° N, 87.3° W: paleocoordinates 34.6° N, 69.1° W)
• coordinate based on nearby landmark
When: Matthews Landing Marl Member (Porters Creek Formation), Selandian (61.6 - 59.2 Ma)
Environment/lithology: shallow subtidal; unlithified, glauconitic, sandy mudstone
Size class: mesofossils
Collection methods: bulk
• Washed sample from Linda Ivany, labeled 'bulk sample (washed) 9/6/99'. Gastropod shells were only counted if they contained the apex of the shell; bivalve shells were only counted if they contained the umbo.
Primary reference: J. A. Sessa, T. J. Bralower, M. E. Patzkowsky, J. C. Handley, and L. C. Ivany. 2012. Environmental and biological controls on the diversity and ecology of Late Cretaceous through early Paleogene marine ecosystems in the US Gulf Coastal Plain. Paleobiology 38(2):218-239 [M. Patzkowsky/J. Sessa/J. Sessa]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 89947: authorized by Jocelyn Sessa, entered by Laurie Eccles on 21.06.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
| |
Gastropoda | |
Retusa sp. Brown 1827 snail | |
Scaphopoda | |
Dentalium mediaviense tusk shell | |
Bivalvia | |
"Nucula mediavia" = Nucula (Nucula) mediavia
"Nucula mediavia" = Nucula (Nucula) mediavia Harris 1896 nut clam | |
Venericardia sp. Lamarck 1801 clam | |
"Crassatella sepulcollis" = Crassatella aquiana
"Crassatella sepulcollis" = Crassatella aquiana Clark 1895 clam | |
Pitar ? ripleyanus venus clam | |
Corbula subcompressa clam | |
Ostrea crenulimarginata Gabb 1860 oyster | |
Amusium alabamense Aldrich 1886 mud scallop | |
Sedentaria | |