SC, Secret Canyon [Secret Canyon Fm]: Marjumian, Nevada
collected by James Sprinkle 1968
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Stylophora
|
|||||||
|
Stylophora indet.
Gill and Caster 1960
|
|||||||
|
Eocrinoidea
- Ascocystitida
|
|||||||
|
Eustypocystis minor
Sprinkle 1973
|
17 specimens | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Eureka |
| Coordinates: | 39.4° North, 116.0° West (view map) | ||||
| Paleocoordinates: | 2.2° South, 91.2° West | ||||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Cambrian | Epoch: | Miaolingian |
| 10 m.y. bin: | Cambrian 4 | ||
| Key time interval: | Marjumian | Trilobite zone: | Bolaspidella |
| Age range of interval: | 504.5 - 497 m.y. ago |
Stratigraphy
| Formation: | Secret Canyon |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified mudstone | ||
| Includes fossils? | Y | ||
| Environment: | marine indet. | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body,mold/impression |
Collection methods and comments
| Collection methods: | surface (float),field collection,survey of museum collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | MCZ,USNM | ||
| Collectors: | James Sprinkle | Collection dates: | July 1968 |
Metadata
| Database number: | 90674 | ||
| Authorizer: | A. Lin | Enterer: | A. Lin | Research group: | marine invertebrate |
| Created: | 2009-08-12 09:51:50 | Last modified: | 2009-08-12 12:51:50 |
| Access level: | the public | Released: | 2009-08-12 09:51:50 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 22459. | J. Sprinkle. 1973. Morphology and evolution of blastozoan echinoderms. Harvard University Museum of Comparative Zoology, Special Publication 1-283 [G. Webster/G. Webster/P. Wagner] |