USNM 10798. at ridge crest of Willow & Birch Creeks, Roberts Mountain: Eifelian, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Naticopsidae
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Naticopsis (Naticopsis) sp.
M'Coy 1844
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5 specimens | ||||||
Gastropoda
- Murchisoniina
- Loxonematidae
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Loxonema aff. walcotti
Blodgett and Johnson 1992
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11 specimens | ||||||
Gastropoda
- Murchisoniina
- Soleniscidae
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Subulites (Fusispira) informal sp. A
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3 specimens | ||||||
= ? Macrochilina sp.
Bayle 1880
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Wagner 2023 | ||||||
Gastropoda
- Murchisoniina
- Gosseletinidae
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? Euryzone sp.
Koken 1896
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1 specimen | ||||||
Bicarina informal sp. A
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1 specimen | ||||||
Gastropoda
- Euomphalina
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Gyronema minutinodosa
Blodgett and Johnson 1992
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2 specimens | ||||||
see common names |
Geography
Country: | United States | State/province: | Nevada | County: | Eureka |
Coordinates: | 40.0° North, 116.3° West (view map) | ||||
Paleocoordinates: | 21.7° South, 77.3° West (Wright 2013) | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | outcrop |
Time
Period: | Devonian | Epoch: | Middle Devonian |
Stage: | Eifelian | 10 m.y. bin: | Devonian 3 |
*Period: | Middle Devonian | *Epoch: | Early/Lower Middle Devonian |
*International age/stage: | Early/Lower Eifelian - Early/Lower Eifelian | ||
Key time interval: | Eifelian | Conodont zone: | Tortodus australis |
Age range of interval: | 393.3 - 387.7 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Geological group: | Nevada | Formation: | Denay Limestone | ||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: Conodont zone: australis. Faunal Interval 16. |
Lithology and environment
Primary lithology: | lithified not reported |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | replaced with silica |
Size of fossils: | mesofossils |
Collection methods and comments
Collection excludes: | some macrofossils,some microfossils |
Collection methods: | bulk,chemical,field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | USNM |
Taxonomic list comments:Generic taxonomy updated by me. |
Metadata
Also known as: | LACMIP Loc. 24739; UCLA Loc. 4739 (= J59-2, J63-3) | ||
Database number: | 3828 | ||
Authorizer: | P. Wagner | Enterer: | P. Wagner |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 1999-08-10 17:02:35 | Last modified: | 2018-08-23 14:59:13 |
Access level: | the public | Released: | 1999-08-10 17:02:35 |
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] |