D2058 CO. Meiklejohn mud-mound: Whiterockian, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Conodonta
|
|||||||
|
Conodonta indet.
|
|||||||
|
Rhynchonellata
- Pentamerida
- Tetralobulidae
|
|||||||
|
Cuparius sp.
Ross 1971
|
|||||||
|
Rhynchonellata
- Pentamerida
- Camerellidae
|
|||||||
|
Idiostrophia sp.
Ulrich and Cooper 1936
|
|||||||
|
Rhynchonellata
- Orthida
- Archaeorthidae
|
|||||||
|
Pleurorthis beattyensis
|
|||||||
|
Strophomenata
- Strophomenida
- Taffiidae
|
|||||||
|
? Petroria austrina
|
|||||||
| spelled with current rank as Leptella (Petroria) | |||||||
|
Strophomenata
- Strophomenida
|
|||||||
|
? Paucicostella sp.
|
|||||||
| nomen dubium belonging to Plectambonitoidea | |||||||
|
Strophomenata
- Strophomenida
- Plectambonitidae
|
|||||||
|
Ingria sp.
Öpik 1930
|
|||||||
|
Ostracoda
|
|||||||
|
Ostracoda indet.
Latreille 1802
|
|||||||
|
Trilobita
- Proetida
- Telephinidae
|
|||||||
|
Carolinites cf. genacinaca
Ross 1951
|
|||||||
|
Trilobita
- Proetida
- Bathyuridae
|
|||||||
|
Bathyurellus informal sp. 3
Billings 1865
|
|||||||
|
Trilobita
- Corynexochida
- Illaenidae
|
|||||||
|
Illaenus cf. auriculatus
Ross and Barnes 1967
|
|||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Nye |
| Coordinates: | 36.9° North, 116.7° West (view map) | ||||
| Paleocoordinates: | 6.4° South, 82.4° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Ordovician | ||
| 10 m.y. bin: | Ordovician 2-4 | ||
| Key time interval: | Whiterockian | Brachiopod zone: | Orthidiella |
| Age range of interval: | 470.00000 - 457.00000 m.y. ago |
Stratigraphy
| Geological group: | Pogonip | Formation: | Antelope Valley | ||
| Regional section: | Antelope Valley Formation | Regional bed: | 198 ft | ||
| Regional order: | top to bottom | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Lower Antelope Valley Limestone, 130 ft above the base of the mud-mound, 198 ft above base of the formation, Orthidiella Zone, Early Whiterockian | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Environment: | reef, buildup or bioherm |
| Geology comments: 80 m thick and 300 m wide mud-mound in an outer ramp setting in relatively deep and cold water. Core of the mound with zebra limestone bands and stromatactis structures. | |
Taphonomy
| Modes of preservation: | body |
| 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 2058 CO; Reef 2366 | ||
| Database number: | 80061 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2008-04-02 02:31:27 | Last modified: | 2023-09-05 14:18:30 |
| Access level: | the public | Released: | 2008-04-02 02:31:27 |
| Creative Commons license: | CC BY | ||
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] |