AMo-1 Bells Landing Marl: Thanetian, Alabama

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Turritellidae
Turritella mortoni Conrad 1830
2 specimens
recombined as Kapalmerella mortoni
Turritella mortoni postmortoni
Turritella bellifera
2 specimens
Mesalia alabamiensis (De Gregorio 1890)
4 specimens
Gastropoda - Naticidae
Lacunaria alabamiensis
3 specimens
cf. Natica aperta
3 specimens
Gastropoda - Neogastropoda - Volutidae
Athleta tuomeyi
7 specimens
Gastropoda - Neogastropoda - Clavatulidae
Surcula nasuta
1 specimen
synonym of Turricula
Gastropoda - Rostellariidae
Calyptraphorus trinodiferus
13 specimens
Bivalvia - Cardiida - Tellinidae
Tellina subtriangularis
1 specimen
Bivalvia - Carditida - Carditidae
Venericardia aposmithi
1 specimen
? Venericardia nanaplata Gardner and Bowles 1939
2 specimens
? Venericardia nanaplata nanna
Bivalvia - Pectinida - Pectinidae
Chlamys greggi Harris 1897
2 specimens
recombined as Dhondtichlamys greggi
Bivalvia - Arcida - Glycymerididae
Glycymeris idonea (Conrad 1865)
1 specimen
original and current combination Axinea idonea
Glycymeris idonea subsp.
see common names

Geography
Country:United States State/province:Alabama County:Monroe
Coordinates: 31.8° North, 87.4° West (view map)
Paleocoordinates:34.3° North, 70.2° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Paleocene
Stage:Thanetian 10 m.y. bin:Cenozoic 1
Key time interval:Thanetian
Age range of interval:59.20000 - 56.00000 m.y. ago
Stratigraphy
Geological group:Wilcox Formation:Tuscahoma Member:Bells Landing Marl
Stratigraphic resolution:group of beds
Stratigraphy comments: 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.
Lithology and environment
Primary lithology:very fine,glauconitic unlithified sandstone
Lithology description: No lithology description given. Lithology from PBDB col# 80761.
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:80673
Authorizer:A. Miller Enterer:J. Sessa
Modifier:J. Sessa Research group:GCP,marine invertebrate
Created:2008-05-03 18:47:01 Last modified:2018-05-13 15:22:40
Access level:the public Released:2008-05-03 18:47:01
Creative Commons license:CC BY
Reference information

Primary reference:

124. 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]

Secondary references:

34008 L. C. Ivany, C. Pietsch, J. C. Handley, R. Lockwood, W. D. Allmon and J. A. Sessa. 2018. Little lasting impact of the Paleocene-Eocene Thermal Maximum on shallow marine mollusk faunas. Science Advances [J. Sessa/J. Sessa/J. Sessa]
29915 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]