USGS Mesozoic Loc. 3821 - Twin Creek Limestone: Late/Upper Bajocian, Wyoming
collected by A.R. Schultz 1906

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Crinoidea
Crinoidea indet. Miller 1821
columnals
Bivalvia - Trigoniida - Myophorellidae
Vaugonia conradi
Bivalvia - Pectinida - Pectinidae
Camptonectes stygius White 1874
Bivalvia - Ostreida - Gryphaeidae
Ostrea (Liostrea) strigilecula (White 1877)
recombined as Liostrea strigilecula
see common names

Geography
Country:United States State/province:Wyoming County:Lincoln
Coordinates: 41.9° North, 110.5° West (view map)
Paleocoordinates:33.4° North, 50.5° West
Basis of coordinate:estimated from map
Time
Period:Jurassic Epoch:Middle Jurassic
Stage:Bajocian 10 m.y. bin:Jurassic 4
Key time interval:Late/Upper Bajocian
Age range of interval:168.60000 - 168.20000 m.y. ago
Stratigraphy
Formation:Twin Creek Limestone Member:Rich
Lithology and environment
Primary lithology: "limestone"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Museum repositories:USNM
Collectors:A.R. Schultz Collection dates:1906
Metadata
Database number:167178
Authorizer:S. Holland Enterer:P. Monarrez
Created:2015-03-08 15:00:28 Last modified:2015-03-08 15:00:28
Access level:the public Released:2015-03-08 15:00:28
Creative Commons license:CC BY
Reference information

Primary reference:
54548. R. W. Imlay. 1967. Twin Creek Limestone (Jurassic) in the Western Interior of the United States. United States Geological Survey Professional Paper 540:1-105 [S. Holland/P. Monarrez]