Ridge Creek Sample E: Early Eocene, Texas
collected by J. B. Garrett, C. F. Washburn

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Ostracoda - Platycopida - Cytherellidae
Ostracoda - Podocopida - Trachyleberididae
Cythereis washburni n. sp. Stephenson 1944
Ostracoda - Podocopida - Cytherideidae
see common names

Geography
Country:United States State/province:Texas County:Bastrop
Coordinates: 30.0° North, 97.3° West (view map)
Paleocoordinates:35.8° North, 74.5° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period: Paleogene Epoch: Eocene
Stage: Ypresian 10 m.y. bin: Cenozoic 2
Key time interval: Early Eocene
Age range of interval: 56 - 48.07 m.y. ago
Stratigraphy
Geological group:Claiborne Formation:Reklaw
Stratigraphic resolution:bed
Stratigraphy comments: "5 feet below sample D, downstream"
Lithology and environment
Primary lithology:glauconitic,gray,green claystone
Lithology description: "Dark-greenish-gray very glauconitic fossiliferous clay"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Collection methods and comments
Collection methods:surface (float),survey of museum collection
Reason for describing collection:taxonomic analysis
Collectors:J. B. Garrett, C. F. Washburn
Collection method comments: Lousiana State University collection
"Ostracoda are not uncommon in the surface exposure, and while rare in the subsurface, they are usually present"
Metadata
Database number:94037
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:micropaleontology
Created:2010-02-08 14:10:50 Last modified:2025-02-22 15:12:02
Access level:the public Released:2010-02-08 14:10:50
Creative Commons license:CC0
Reference information

Primary reference:
31950. M. B. Stephenson. 1944. Ostracoda from the Reklaw Eocene of Bastrop County, Texas. Journal of Paleontology 18(5):448-454 [J. Alroy/J. Alroy]