East slope of ridge east of the Hamburg Ridge: Blackhillsian, Nevada

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Lingulata - Lingulida - Elkaniidae
? Tellinomya hamburgensis n. sp. Walcott 1884
recombined as Elkania hamburgensis
Lingulata - Lingulida - Obolidae
? Lingula manticula White 1874
recombined as Lingulella manticula
Obolellata - Obolellida - Obolellidae
Obolella discoidea Hall and Whitfield 1877
Trilobita - Proetida - Otarionidae
? Cyphaspis brevimarginatus n. sp. Walcott 1884
see common names

Country:United States State/province:Nevada County:Eureka
Coordinates: 39.4° North, 116.0° West (view map)
Paleocoordinates:5.3° South, 82.8° West
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Period:Ordovician Epoch:Early/Lower Ordovician
Stage:Floian 10 m.y. bin:Ordovician 2
Key time interval:Blackhillsian
Age range of interval:473.90000 - 470.00000 m.y. ago
Geological group:Pogonip Formation:Goodwin
Stratigraphic resolution:formation
Stratigraphy comments: "Upper part of Pogonip Group." Williams et al. (2000: 67) note that it is Goodwin
Lithology and environment
Primary lithology: "limestone"
Environment:carbonate indet.
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Database number:232703
Authorizer:P. Wagner Enterer:P. Wagner
Research group:marine invertebrate
Created:2023-12-24 13:20:30 Last modified:2023-12-24 13:20:30
Access level:the public Released:2023-12-24 13:20:30
Creative Commons license:CC BY
Reference information

Primary reference:

16407. C. D. Walcott. 1884. Paleontology of the Eureka district. United States Geological Survey Monograph 8(8):1-298 [P. Wagner/P. Wagner]