Candelaria JJ15-08: Dienerian, Nevada
collected by Jim Jenks
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda
- Ceratitida
- Mullericeratidae
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Mullericeras spitiense
(Krafft 1909)
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see common names |
Geography
Country: | United States | State/province: | Nevada |
Coordinates: | 38.1° North, 118.1° West (view map) | ||
Paleocoordinates: | 23.9° North, 38.1° West (Wright 2013) | ||
Basis of coordinate: | based on nearby landmark | ||
Geographic resolution: | outcrop |
Time
Period: | Triassic | Epoch: | Early Triassic |
Stage: | Induan | 10 m.y. bin: | Triassic 1 |
Key time interval: | Dienerian | ||
Age range of interval: | 250.5 - 249.9 m.y. ago |
Stratigraphy
Formation: | Candelaria | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: 20-25 m thick and approximately 45 m above base of formation |
Lithology and environment
Primary lithology: | concretionary lithified carbonaceous "shale" |
Lithology description: dark bituminous shales, purplish on weathered surfaces, with a few thin beds of impure limestone and early diagenetic concretions | |
Environment: | offshore |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Collectors: | Jim Jenks |
Metadata
Database number: | 120312 | ||
Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
Created: | 2011-11-10 11:58:14 | Last modified: | 2025-02-22 15:12:02 |
Access level: | the public | Released: | 2011-11-10 11:58:14 |
Creative Commons license: | CC0 |
Reference information
Primary reference:
35617. | D. Ware, J. F. Jenks, M. Hautmann and H. Bucher. 2011. Dienerian (Early Triassic) ammonoids from the Candelaria Hills (Nevada, USA) and their significance for palaeobiogeography and palaeoceanography. Swiss Journal of Geosciences 104:161-181 [M. Clapham/M. Clapham/M. Clapham] |