D 830 CO: Whiterockian, Nevada
collected by J. Ross, Jr.

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Orthida - Plaesiomyidae
? Valcourea sp. Raymond 1911
Rhynchonellata - Orthida - Orthidae
? Orthambonites sp. Pander 1830
Strophomenata - Strophomenida - Leptellinidae
? Leptellina sp. Ulrich and Cooper 1936
Trilobita - Asaphida - Asaphidae
? Isotelus sp. Dekay 1824
Trilobita - Asaphida - Remopleurididae
Remopleurides cf. similus (Whittington 1959)
misspelling Remopleurides simulus
Trilobita - Phacopida - Pterygometopidae
Calliops sp. Delo 1935
see common names

Geography
Country:United States State/province:Nevada County:Nye
Coordinates: 36.9° North, 116.7° West (view map)
Paleocoordinates:6.4° South, 82.4° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Ordovician
10 m.y. bin:Ordovician 2-4
Key time interval:Whiterockian Zone: O?
Age range of interval:470.00000 - 457.00000 m.y. ago
Stratigraphy
Geological group:Pogonip Formation:Antelope Valley
Local section:N side Meiklejohn Peak Local bed:500 below base of massive unit of the Eureka ft
Local order:top to bottom
Stratigraphic resolution:bed
Stratigraphy comments: Whiterockian
Lithology and environment
Primary lithology: lithified "limestone"
Lithology description: thin-bedded
Environment:shallow subtidal indet. Tectonic setting:passive margin
Geology comments: carbonate platform
Taphonomy
Modes of preservation:body,replaced with silica
Size of fossils:macrofossils
Collection methods and comments
Collection methods:bulk,field collection
Reason for describing collection:biostratigraphic analysis
Collectors:J. Ross, Jr.
Metadata
Also known as:SF 142
Database number:104283
Authorizer:S. Finnegan Enterer:S. Finnegan
Modifier:J. Marcot Research group:marine invertebrate
Created:2011-02-07 12:04:21 Last modified:2023-09-05 14:23:44
Access level:the public Released:2011-02-07 12:04:21
Creative Commons license:CC BY
Reference information

Primary reference:

25410. R. J. Ross, Jr. and C. R. Longwell. 1964. Middle and Lower Ordovician Formations in Southernmost Nevada and Adjacent California. United States Geological Survey Bulletin 1180-C:C1-C101 [S. Finnegan/S. Finnegan/J. Marcot]