UCMP loc. D-5684, Bare Mountain: Whiterockian, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Archaeogastropoda
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Archaeogastropoda indet.
Thiele 1925
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1 specimen | |||||||||
| gastropod | ||||||||||
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Strophomenata
- Billingsellida
- Clitambonitidae
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Atelelasma sp.
Cooper 1956
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2 specimens | |||||||||
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Rhynchonellata
- Orthida
- Orthidae
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Orthambonites dinorthoides
Cooper 1956
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8 specimens | |||||||||
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Rhynchonellata
- Orthida
- Nanorthidae
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Plectorthis perplexus
(Ross and Barnes 1967)
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5 specimens | |||||||||
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Cystoidea
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Cystoidea indet.
von Buch 1846
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1 specimen | |||||||||
| cystoid | ||||||||||
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Anthozoa
- Lichenariida
- Lyoporidae
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Eofletcheria sp.
Bassler 1950
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1 specimen | |||||||||
| originally entered as "Eofletcharia sp." | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Nye |
| Coordinates: | 38.0° North, 116.5° West (view map) | ||||
| Paleocoordinates: | 6.2° South, 81.2° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | ||
| 10 m.y. bin: | Ordovician 2-4 | ||
| *Period: | Middle Ordovician | *Epoch: | Llanvirn | *Local age/stage: | Whiterockian |
| Key time interval: | Whiterockian | ||
| Age range of interval: | 470 - 457 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Pogonip | Formation: | Antelope Valley | ||
| Stratigraphy comments: "lower to mid M. Ord." | |||||
Lithology and environment
| Primary lithology: | calcareous siltstone |
| Environment: | transition zone/lower shoreface |
| Geology comments: "calcareous siltstone. intertidal/shallow subtidal. miogeocline (stable)" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
| Taxonomic list comments:"Berry, Lawson and Yancey 1979" | |
Metadata
| Also known as: | Orthambonites dinorthoides association | ||
| Database number: | 423 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 1998-12-03 17:27:28 | Last modified: | 2023-09-05 14:20:09 |
| Access level: | the public | Released: | 1998-12-03 17:27:28 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 61151. | W. B. N. Berry, D. A. Lawson, and E. S. Yancey. 1979. Species diversity patterns in some middle Ordovician communities from California-Nevada. Palaeogeography, Palaeoclimatology, Palaeoecology 26:99-116 [M. Uhen/J. Ju/J. Ju] |