USGS locality 8535, On Poison Spider Creek, southwest of Casper, Lebo Fm?: Paleocene, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Lycopodiopsida - Isoetales - Isoetaceae
Isoetites horridus non-seed repro (Dawson 1883)
cormwith circle of sporangia
see common names

Geography
Country:United States State/province:Wyoming
Coordinates: 41.9° North, 105.5° West (view map)
Paleocoordinates:47.6° North, 84.6° West
Basis of coordinate:estimated from map
Time
Period:Paleogene Epoch:Paleocene
10 m.y. bin:Cenozoic 1
Key time interval:Paleocene
Age range of interval:66.00000 - 56.00000 m.y. ago
Stratigraphy
Formation:Lebo?
Stratigraphy comments: From ferruginous sandstone in upper part of section exposed.
Lithology and environment
Primary lithology:ferruginous sandstone
Environment:fluvial indet.
Taphonomy
Collection methods and comments
Collection methods:selective quarrying,mechanical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collection method comments: Specimens were collected by C. E. Dobbin, R. W. Brown and F. S. MacNeill on July 13, Sept. 7, 1936
Taxonomic list comments:Species lists for Brown 1962 were compiled from the publication and provided for the Paleobiology Database by Drs. Steven R. Manchester and Peter R. Crane.
Metadata
Database number:57972
Authorizer:P. Wilf Enterer:J. Sessa
Research group:paleobotany
Created:2006-01-12 08:27:10 Last modified:2006-01-12 10:27:10
Access level:the public Released:2006-01-12 08:27:09
Creative Commons license:CC BY
Reference information

Primary reference:
10820. R. W. Brown. 1962. Paleocene flora of the Rocky Mountains and Great Plains. United States Geological Survey Professional Paper 375:1-119 [P. Wilf/J. Sessa/M. Uhen]