Northeast of Barrel Spring (GSC loc. 105372): Waucoban, Nevada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Redlichiida
Nevadia weeksi (Walcott 1908)
see common names

Geography
Country:United States State/province:Nevada
Coordinates: 37.5° North, 117.5° West (view map)
Paleocoordinates:2.5° South, 96.8° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period: Cambrian
10 m.y. bin: Cambrian 1-3
Key time interval: Waucoban
Age range of interval: 538.8 - 509 m.y. ago
Stratigraphy
Formation:Campito Member:Montenegro
Stratigraphic resolution:bed
Stratigraphy comments: "Nevadella" Zone, "near the base of the Montenegro Member"
Lithology and environment
Primary lithology: argillaceous siltstone
Lithology description: "a thin interval located one or two meters above the top of" the "3-m-thick, white, fine-grained quartzite unit"; "matrix surroung the 1f fossils... consists of non-limey, argillaceous siltstone"
Environment:marine indet.
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Metadata
Database number:69469
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:M. Carrano Research group:marine invertebrate
Created:2007-02-26 22:01:48 Last modified:2018-03-01 13:49:00
Access level:the public Released:2007-02-26 22:01:48
Creative Commons license:CC BY
Reference information

Primary reference:
23331. W. H. Fritz. 1995. Esmeraldina rowei and associated Lower Cambrian trilobites (1f fauna) at the base of Walcott's Waucoban Series, southern Great Basin, U.S.A. Journal of Paleontology 69(4):708-723 [J. Alroy/J. Alroy]