D1971 CO. Meiklejohn mud-mound flanking bed: Rangerian, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
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Conodonta indet.
Pander 1856
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Rhynchonellata
- Orthida
- Anomalorthidae
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Anomalorthis sp.
Ulrich and Cooper 1936
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Rhynchonellata
- Orthida
- Orthidiellidae
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? Orthidiella sp.
Ulrich and Cooper 1936
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Rhynchonellata
- Pentamerida
- Tetralobulidae
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Trilobita
- Phacopida
- Encrinuridae
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Trilobita
- Phacopida
- Pliomeridae
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Trilobita
- Phacopida
- Calymenidae
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Trilobita
- Asaphida
- Nileidae
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Nileus aff. scrutator
Billings 1865
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Trilobita
- Proetida
- Telephinidae
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Nye |
| Coordinates: | 36.9° North, 116.7° West (view map) | ||||
| Paleocoordinates: | 20.2° North, 121.6° West (Wright 2013) | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Ordovician | Epoch: | Early Ordovician |
| Stage: | Floian | 10 m.y. bin: | Ordovician 2 |
| Key time interval: | Rangerian | Brachiopod zone: | Paralenorthis-Orthidiella |
| Age range of interval: | 470 - 469.1 m.y. ago |
Stratigraphy
| Geological group: | Pogonip | Formation: | Antelope Valley | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Lower Antelope Valley Limestone, 207 ft above the base of the mud-mound, 275 ft above base of the formation, Orthidiella Zone, Early Whiterockian | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Lithology description: flanking bed of the mud-mound | |
| Environment: | perireef or subreef |
Taphonomy
| Modes of preservation: | body,original silica |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USGS |
Metadata
| Also known as: | USGS D 1971 CO | ||
| Database number: | 80068 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2008-04-02 04:04:19 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2008-04-02 04:04:19 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 25409. | R. J. Ross, Jr. 1972. Fossils from the Ordovician bioherm at Meiklejohn Peak, Nevada. United States Geological Survey Professional Paper 685 [S. Finnegan/S. Finnegan/U. Merkel] |