US Highway 19 at Elway: Chazyan, Virginia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Strophomenida - Strophomenidae
Rhipidomena subparallela Cooper 1956
Strophomenata - Strophomenida - Glyptomenidae
Pionomena neumani Cooper 1956
Rhynchonellata - Orthida - Plaesiomyidae
Dinorthis holdeni (Willard 1928)
Rhynchonellata - Orthida - Plectorthidae
Mimella intermedia
Mimella informal sp. I Cooper 1930
Rhynchonellata - Atrypida - Protozygidae
Protozyga microscopica
Rhynchonellata - Pentamerida - Camerellidae
Camerella costellata
Camerella indefinita
Camerella multiplicata
Camerella perplexa
Lingulata - Lingulida - Obolidae
Lingulella decorticata
see common names

Geography
Country:United States State/province:Virginia County:Russell
Coordinates: 37.0° North, 82.0° West (view map)
Paleocoordinates:30.3° South, 67.8° West
Basis of coordinate:based on nearby landmark
Time
Period:Ordovician Epoch:Middle Ordovician
Stage:Darriwilian
Key time interval:Chazyan Conodont zone: Cahabagnathus sweeti
Age range of interval:468.10000 - 460.90000 m.y. ago
Stratigraphy
Formation:Elway
Lithology and environment
Primary lithology:fine,gray lithified cherty/siliceous "limestone"
Lithology description: The rock is usually a fine-grained, light-gray limestone interbedded with layers of dark-gray to black chert.
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body,original aragonite,replaced with calcite
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some genera
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Metadata
Database number:186172
Authorizer:P. Wagner Enterer:P. Wagner
Research group:marine invertebrate
Created:2017-06-16 17:04:44 Last modified:2017-06-16 17:04:44
Access level:the public Released:2017-06-16 17:04:44
Creative Commons license:CC BY
Reference information

Primary reference:

44678. G. A. Cooper. 1956. Chazyan and related brachiopods. Smithsonian Miscellaneous Collections 127:1-1245 [P. Wagner/P. Wagner]