Sohl and Koch OFR # 275: Early/Lower Maastrichtian, Georgia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Scaphopoda - Gadilida - Gadilidae
Cadulus obnutus
1 specimen
Cadulus obnutus (Conrad)
Gastropoda - Turritellidae
Turritella (Sohlitella) bilira (Stephenson 1941)
1 specimen
recombined as Haustator bilira
Turritella (Sohlitella) bilira (St
Gastropoda - Ataphridae
Ataphrus sp. n. sp. Gabb 1869
2 specimens
Ataphrus n. sp. - originally entered as "Ataphrus n. sp."
Bivalvia - Nuculanida - Nuculanidae
Nuculana whitfieldi
1 specimen
Nuculana whitfieldi (Gardner)
Bivalvia - Mytilida - Crenellidae
Crenella serica Conrad 1860
2 specimens
Crenella serica Conrad
Bivalvia - Pectinida - Entoliidae
Syncyclonema simplicius
1 specimen
Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
Bivalvia - Cardiida - Mactridae
Cymbophora appressa
1 specimen
Cymbophora appressa (Gabb)
Bivalvia - Cardiida - Veneridae
Cyclorisma parva
1 specimen
Cyclorisma parva (Gardner)
Bivalvia - Cardiida - Cardiidae
Trachycardium sp. Mörch 1853
1 specimen
Trachycardium sp.
Bivalvia - Cardiida - Tellinidae
Aenona eufaulensis Conrad 1860
1 specimen
Aenona eufaulensis (Conrad)
Bivalvia - Carditida - Crassatellidae
Crassatella vadosa Morton 1834
3 specimens
Crassatella vadosa vadosa Morton
Bivalvia - Carditida - Condylocardiidae
Uddenia texana Stephenson 1941
1 specimen
recombined as Cuna texana
Uddenia texana Stephenson
see common names

Geography
Country:United States State/province:Georgia County:Clay
Coordinates: 31.7° North, 85.1° West (view map)
Paleocoordinates:34.6° North, 63.3° 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:Early/Lower Maastrichtian Foram zone: Contusotruncana contusa
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Providence Member:upper
Local section:Ft. Gaines NE Local bed:119
Stratigraphic resolution:bed
Stratigraphy comments: Foraminiferal zonation from King and Skotnicki, 1992.
Lithology and environment
Primary lithology:gray silty sandstone
Environment:marine indet. Tectonic setting:passive margin
Taphonomy
Modes of preservation:body,original aragonite,original calcite
Size of fossils:mesofossils
Collection methods and comments
Collection methods:core
Reason for describing collection:paleoecologic analysis
Museum repositories:USGS
Collection method comments: Subsurface data 1981-83
Metadata
Also known as:Ft. Gaines NE 119 ft; USGS # 32258
Database number:4311
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:L. Eccles Research group:GCP,marine invertebrate
Created:1999-08-14 13:00:00 Last modified:2010-11-09 08:24:43
Access level:the public Released:1999-08-14 13:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
281. N. F. Sohl and C. F. Koch. 1987. Upper Cretaceous (Maestrichtian) larger invertebrates from the Haustator bilira Assemblage Zone in the Atlantic Coastal Plain with further data for the East Gulf. USGS Open File Report 87-194:1-172 [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]