USNM 10799. Roberts Creek Mountain: Eifelian, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Murchisoniina
- Loxonematidae
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Loxonema walcotti
Blodgett and Johnson 1992
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1 specimen | ||||||
Gastropoda
- Murchisoniina
- Gosseletinidae
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? Mourlonia informal sp. B
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2 specimens | ||||||
= Pleurorima sp.
Perner 1907
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Wagner 2023 | ||||||
Ptychomphalina informal n. sp.
Fischer 1885
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1 specimen | ||||||
see common names |
Geography
Country: | United States | State/province: | Nevada | County: | Eureka |
Coordinates: | 39.6° North, 116.3° West (view map) | ||||
Paleocoordinates: | 22.0° South, 77.6° West (Wright 2013) | ||||
Basis of coordinate: | based on political unit | ||||
Altitude: | 6900 feet | ||||
Geographic resolution: | outcrop |
Time
Period: | Devonian | Epoch: | Middle Devonian |
Stage: | Eifelian | 10 m.y. bin: | Devonian 3 |
*Period: | Middle Devonian | *Epoch: | Early/Lower Eifelian |
Key time interval: | Eifelian | Conodont zone: | Polygnathus costatus costatus |
Age range of interval: | 393.3 - 387.7 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Geological group: | Nevada | Formation: | Denay Limestone | ||
Local section: | Roberts Mountain | Local bed: | 15 | ||
Local order: | bottom to top | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: Conodont zone: costatus. Johnson Faunal Interval |
Lithology and environment
Primary lithology: | lithified packstone |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body,replaced with silica |
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Collection excludes: | some macrofossils,some microfossils |
Collection methods: | bulk,field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | USNM |
Collection method comments: Brachiopods described by Johnson (1970, 1971 J. Paleo papers) |
Metadata
Also known as: | LACMIP Loc. 24740; UCLA Loc. 4740; J58-4 | ||
Database number: | 3825 | ||
Authorizer: | P. Wagner | Enterer: | P. Wagner |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 1999-08-10 16:43:56 | Last modified: | 2018-08-23 15:01:04 |
Access level: | the public | Released: | 1999-08-10 16:43:56 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
255. | R. B. Blodgett and J. G. Johnson. 1992. Early Middle Devonian (Eifelian) Gastropods of Central Nevada. Palaeontographica Abteilung A 222:85-139 [P. Wagner/P. Wagner/P. Wagner] |
Secondary references:
9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |