Sohl and Koch OFR # 160: Late/Upper Maastrichtian, Alabama

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Lithophagidae indet.
Lithophagid borings
Polychaeta - Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
Gastropoda - Turritellidae
Turritella sp. Lamarck 1799
1 specimen
Turritella sp.
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876
9 specimens
Anomia (Anomia) ornata Gabb
Anomia (Anomia) argentaria Morton 1833
1 specimen
Anomia (Anomia) argentaria Morton
Bivalvia - Ostreida - Flemingostreidae
Cubitostrea tecticosta (Gabb 1860)
12 specimens
Cubitostrea tecticosta (Gabb)
Bivalvia - Ostreida - Gryphaeidae
Exogyra costata (Say 1820)
18 specimens
original and current combination Exogyra (Exogyra) costata
Exogyra costata Say
Gryphaeostrea vomer (Morton 1828)
2 specimens
Gryphaeostrea vomer Morton
unclassified
Bryozoa indet. Ehrenberg 1831
Bryozoa (encrusting)
Demospongiae - Clavulina - Clionaidae
Cliona sp.
Clione sp.
see common names

Geography
Country:United States State/province:Alabama County:Lowndes
Coordinates: 32.0° North, 86.7° West (view map)
Paleocoordinates:35.2° North, 64.8° West
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Period:Late/Upper Cretaceous *Epoch:Late/Upper Senonian
*International age/stage:Middle - Late/Upper Maastrichtian
Key time interval:Late/Upper Maastrichtian Ammonoid zone: Discoscaphites conradi
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Prairie Bluff Member:middle
Stratigraphic resolution:member
Stratigraphy comments: Haustator bilira assemblage zone
Lithology and environment
Primary lithology: silty,sandy claystone
Environment:marine indet. Tectonic setting:passive margin
Taphonomy
Modes of preservation:body,original calcite
Size of fossils:mesofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:bulk,field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:USGS
Collection method comments: Sohl collection
Metadata
Also known as:Braggs Cut; USGS # 30662
Database number:4227
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:M. Manojlovic Research group:GCP,marine invertebrate
Created:1999-08-14 13:00:00 Last modified:2016-07-25 21:13:17
Access level:the public Released:1999-08-14 13:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

283. N. F. Sohl and C. F. Koch. 1983. Upper Cretaceous (Maestrichtian) Mollusca from the Haustator bilira Assemblage Zone in the East Gulf Coastal Plain. USGS Open File Report 83-451:1-239 [M. Kosnik/M. Kosnik/M. Uhen]

Secondary references:

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]