USNM Locality 1v, Barrel Spring Section: Dyeran, Nevada
collected by F. B. Weeks 1899

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Helcionelloida - Helcionellidae
Stenotheca cf. rugosa (Hall 1847)
Stenothecoida - Cambridioida - Cambridiidae
Stenotheca cf. elongata Walcott 1884
Paterinata - Paterinida - Paterinidae
Micromitra (Paterina) labradorica
var.
Lingulata - Lingulida - Acrothelidae
? Siphonotreta dubia n. sp. Walcott 1912
Kutorginata - Kutorginida - Kutorginidae
Kutorgina perugata n. sp. Walcott 1905
Kutorgina cingulata (Billings 1861)
Obolellata - Naukatida - Naukatidae
Swantonia sp. Walcott 1905
Swantonia weeksi n. sp. Walcott 1905
Trilobita - Redlichiida
Wanneria gracile Walcott 1910
Trilobita - Redlichiida - Holmiidae
Olenellus argentus Walcott 1910
Trilobita - Ptychopariida - Ptychopariidae
Ptychoparia sp. Corda 1847
Archaeocyatha
Archaeocyatha indet. (Vologdin 1937)
as "Archæcyathus"
see common names

Geography
Country:United States State/province:Nevada County:Esmeralda
Coordinates: 37.8° North, 117.8° West (view map)
Paleocoordinates:1.0° South, 94.8° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Cambrian Epoch: Series 2
10 m.y. bin: Cambrian 2-3
Key time interval: Dyeran Trilobite zone:  Bonnia - Olenellus
Age range of interval: 514.8 - 511 m.y. ago
Stratigraphy
Formation:Poleta Member:Middle
Stratigraphic resolution:formation
Lithology and environment
Primary lithology:green lithified argillaceous,calcareous "shale"
Lithology description: green calcareous shale, arenaceous on top.
Environment:offshore indet. Tectonic setting:passive margin
Taphonomy
Modes of preservation:mold/impression
Lagerst�tten type:conservation
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:selective quarrying,surface (float),surface (in situ)
Reason for describing collection:taxonomic analysis
Museum repositories:LACM,TMM,UCMP,USNM
Collectors:F. B. Weeks Collection dates:1899
Metadata
Database number:203345
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:J. Marcot Research group:marine invertebrate
Created:2019-08-12 23:47:40 Last modified:2022-06-13 14:47:19
Access level:the public Released:2019-08-12 23:47:40
Creative Commons license:CC BY
Reference information

Primary reference:

13472. C. D. Walcott. 1912. Cambrian Brachiopoda. United States Geological Survey Monograph 51(1-2) [A. Miller/A. Hendy/A. Hendy]