Locality ICS-1179: Lenian, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Lingulata
- Lingulida
- Acrothelidae
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Eothele sp.
Rowell 1980
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Trilobita
- Redlichiida
- Olenellidae
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Olenellus terminatus n. sp.
Palmer 1998
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1 specimen | |||||||||
| 1 cephalon | ||||||||||
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Olenellus gilberti
White 1874
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6 specimens | |||||||||
| 5 cephala and 1 hyposotme | ||||||||||
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Trilobita
- Redlichiida
- Biceratopsidae
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Nephrolenellus geniculatus
Palmer 1998
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12 specimens | |||||||||
| 9 cephala and 3 hypostomes | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Lincoln |
| Coordinates: | 37.6° North, 114.8° West (view map) | ||||
| Paleocoordinates: | 3.3° South, 95.5° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Series 2 |
| 10 m.y. bin: | Cambrian 2-3 | ||
| *Period: | Early/Lower Cambrian - Middle Cambrian | *Epoch: | Caerfai |
| *International age/stage: | Lenian | ||
| Key time interval: | Lenian | Trilobite zone: | Olenellus |
| Age range of interval: | 515.6 - 510 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Pioche Shale | Member: | C-Shale |
| Local section: | Hidden Valley | Local bed: | less than 2m below the top of Olenellus Zone |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Lithology description: limestone ledge | |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | cast,replaced with silica |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera,some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Includes all trilobites and supplementary information on brachiopods used to prove lack of significant erosional relief. | |
Metadata
| Also known as: | Locality ICS-1179, Pioche Form., Lincoln County, Nevada - Palmer 1998 | ||
| Database number: | 9822 | ||
| Authorizer: | M. Patzkowsky | Enterer: | P. Borkow |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2001-01-23 12:01:00 | Last modified: | 2018-10-04 16:21:26 |
| Access level: | the public | Released: | 2001-01-23 12:01:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 852. | A. R. Palmer. 1998. Terminal Early Cambrian extinction of the Olenellina: documentation from the Pioche Formation, Nevada. Journal of Paleontology 72(4):650-672 [M. Patzkowsky/P. Borkow] |