Sohl 034: Maastrichtian, Mississippi

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Ostreida - Gryphaeidae
Exogyra costata (Say 1820)
original and current combination Exogyra (Exogyra) costata
Exogyra costata Say
Bivalvia - Ostreida - Flemingostreidae
Agerostrea falcata (Morton 1827)
Ostrea falcata
Bivalvia - Pectinida - Anomiidae
Anomia argentaria Morton 1833
Anomia argentaria Morton
Bivalvia - Poromyida - Poromyidae
Cymella ? bella
Cymella bella Conrad?
Bivalvia - Pholadida - Corbulidae
Caestocorbula crassiplica (Gabb 1860)
Caesticorbula crassiplica (Gabb)
Gastropoda - Opisthobranchia - Cylichnidae
Cylichna incisa Stephenson 1941
1 specimen
Cylichna incisa Stephenson
Gastropoda - Eucyclidae
Calliomphalus (Calliomphalus) americanus
1 specimen
Calliomphalus (Calliomphalus) americanus Wade
Cephalopoda - Ammonitida - Baculitidae
Baculites sp. Lamarck 1799
Baculites sp.
Cephalopoda - Belemnitida - Belemnitellidae
Belemnitella sp. d'Orbigny 1840
Belemnitella sp.
see common names

Geography
Country:United States State/province:Mississippi County:Pontotoc
Coordinates: 34.2° North, 90.0° West (view map)
Paleocoordinates:38.2° North, 66.9° West
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Period:Late/Upper Cretaceous *Epoch:Senonian
*International age/stage:Middle Maastrichtian
Key time interval:Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Ripley
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:glauconitic,gray calcareous claystone
Lithology description: Clay, gray (weathering tan), micaceous calcareous, glauconitic; cylindrical concretions with phosphatized interiors common. fossils are very fragile
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Collection excludes:all microfossils
Reason for describing collection:taxonomic analysis
Collection method comments: USGS 25481: L.W. Stephenson and N. F. Sohl 1955
Metadata
Also known as:Roadcut on E-facing slope of Muddy creek, Pontotoc Co., Miss.
Database number:7599
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:L. Eccles Research group:GCP,marine invertebrate
Created:2000-07-18 12:00:01 Last modified:2010-11-09 08:49:13
Access level:the public Released:2000-07-18 12:00:01
Creative Commons license:CC BY
Reference information

Primary reference:

463. N. F. Sohl. 1960. Archeogastropoda, Mesogastropoda and stratigraphy of the Ripley, Owl Creek, and Prairie Bluff Formations. US Geological Survey Professional Paper 331:1-151 [M. Kosnik/M. Kosnik]

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]