Collection 41196, Grassy Spring Mb., Pioche Shale, NV - Eddy and McCollum 1998: Solvan, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Trilobita
- Ptychopariida
|
||||||||||
|
Mexicella granulata n. sp.
Eddy and McCollum 1998
|
50 specimens | |||||||||
| 50 cranidia | ||||||||||
|
Trilobita
- Ptychopariida
- Ptychopariidae
|
||||||||||
|
Panacus palmeri
Eddy and McCollum 1998
|
7 specimens | |||||||||
| 7 cranidia | ||||||||||
|
Volocephalina variosa n. sp.
Eddy and McCollum 1998
|
24 specimens | |||||||||
| 24 cranida | ||||||||||
|
Nyella granosa
(Resser 1939)
|
3 specimens | |||||||||
| recombined as Palmerara granosa | ||||||||||
| 3 cranidia | ||||||||||
|
Trilobita
- Corynexochida
- Zacanthoididae
|
||||||||||
|
Albertellina aspinosa
Palmer and Halley 1979
|
44 specimens | |||||||||
| 27 cranidia, 17 pygidia, 7 hypostomes | ||||||||||
|
Delamarella brevispinaspis n. gen., n. sp.
Eddy and McCollum 1998
|
30 specimens | |||||||||
| 23 cranidia, 7 pygidia | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Lincoln |
| Coordinates: | 37.5° North, 114.8° West (view map) | ||||
| Paleocoordinates: | 3.0° South, 93.4° West | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | ||
| 10 m.y. bin: | Cambrian 3 | ||
| *Period: | Middle Cambrian - Late/Upper Cambrian | *Epoch: | St. David's |
| *International age/stage: | Solvan | ||
| Key time interval: | Solvan | Zone: | Albertella Biozone |
| Age range of interval: | 510.00000 - 504.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Pioche Shale | Member: | Grassy Spring |
| Local section: | Grassy Spring | Local bed: | 35 meters from base of section |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified packstone |
| Lithology description: bioclastics (interpretted from figure 4. stratigraphic sections). | |
Taphonomy
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Only trilobites from the Albertellina aspinosa were collected. | |
Metadata
| Database number: | 9440 | ||
| Authorizer: | M. Patzkowsky | Enterer: | P. Borkow | Research group: | marine invertebrate |
| Created: | 2000-11-03 18:21:52 | Last modified: | 2003-07-18 18:05:03 |
| Access level: | the public | Released: | 2001-03-22 12:03:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 810. | J. D. Eddy and L. B. McCollum. 1998. Early Middle Cambrian Albertella biozone trilobites of the Pioche Shale, southeastern Nevada. Journal of Paleontology 72(5):864-887 [M. Patzkowsky/P. Borkow/J. Alroy] |