Provencal Middle Eocene Decapods: Middle Eocene, Louisiana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Malacostraca - Decapoda - Tumidocarcinidae
Malacostraca - Decapoda - Zanthopsidae
see common names

Geography
Country:United States State/province:Louisiana County:Natchitoches
Coordinates: 31.0° North, 93.0° West (view map)
Paleocoordinates:35.6° North, 74.5° West (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Paleogene Epoch: Eocene
10 m.y. bin: Cenozoic 2-3
Key time interval: Middle Eocene
Age range of interval: 48.07 - 37.71 m.y. ago
Stratigraphy
Geological group:Claiborne Formation:Milams
Lithology and environment
Primary lithology:very fine,nodular lithified muddy claystone
Includes fossils?Y
Lithology description: Light buff clay, deeply weathered, with white chalky lime nodules of about a quarter inch in diameter. Weathers to black and waxy soil.
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (float),field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:133541
Authorizer:C. Schweitzer Enterer:L. Baltzly
Modifier:L. Baltzly Research group:decapod
Created:2012-09-16 01:40:14 Last modified:2025-02-22 15:12:02
Access level:authorizer only Released:2017-09-16 01:40:14
Creative Commons license:CC0
Reference information

Primary reference:
43007.decapod H. B. Stenzel. 1935. Middle Eocene and Oligocene Decapod Crustaceans from Texas, Louisiana, and Mississippi. The American Midland Naturalist 16(3):379-400 [C. Schweitzer/L. Baltzly/M. Uhen]