Bed V, Stone City Bluff (type locality Stone City beds): Lutetian - Bartonian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Pectinida - Anomiidae
Anomia ephippioides Gabb 1860
rare
see common names

Geography
Country:United States State/province:Texas County:Brazos
Coordinates: 30.6° North, 96.5° West (view map)
Paleocoordinates:32.4° North, 86.5° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Paleogene Epoch:Eocene
Key time interval:Lutetian - Bartonian
Age range of interval:47.80000 - 37.71000 m.y. ago
Stratigraphy
Formation:Stone City
Local order:bottom to top
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:glauconitic,shelly/skeletal,gray poorly lithified silty,carbonaceous "shale"
Secondary lithology:glauconitic,micaceous,shelly/skeletal poorly lithified argillaceous siltstone
Includes fossils?Y
Lithology description: soft and plastic when wet or friable when dry, medium light gray or medium dark-gray when wet, laminated, lignitic, sparsely fossiliferous, slightly glauconitic, limonitic, slightly silty shale containing some lenses of coherent crumbly when dry or slightly plastic when wet, light olive-gray, very thinly bedded, fossiliferous, slightly muscovitic, and glauconitic, argillaceous silt up to 0.7 ft thick; a lens of soft to crumbly, olive-gray or olive-black, lenticluar, fossiliferous, very fine-grained glauconite arenite up to 0.35 ft thick near the base of the bed
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils,difficult macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:41440
Authorizer:A. Miller Enterer:K. Layou
Modifier:J. Sessa Research group:GCP,marine invertebrate
Created:2004-07-14 11:09:39 Last modified:2010-10-03 20:10:25
Access level:the public Released:2004-07-14 11:09:39
Creative Commons license:CC BY
Reference information

Primary reference:

7415. H. B. Stenzel, E. K. Krause, and J. T. Twining. 1957. Pelecypoda from the type locality of the Stone City beds (Middle Eocene) of Texas. University of Texas Publication (5704) [M. Kosnik/M. Kosnik/M. Kosnik]