NMMNH L12285,Wildhorse-McCoy Mine area: Pelsonian, Nevada
collected by J. Jenks
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda
- Ceratitida
- Ptychitidae
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Ptychites gradinarui
Bucher 1992
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see common names |
Geography
Country: | United States | State/province: | Nevada |
Coordinates: | 39.9° North, 117.5° West (view map) | ||
Paleocoordinates: | 10.3° North, 41.6° West | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | outcrop |
Time
Period: | Triassic | Epoch: | Middle Triassic |
Stage: | Anisian | 10 m.y. bin: | Triassic 2 |
Key time interval: | Pelsonian | Ammonoid zone: | Balatonites shoshonensis |
Age range of interval: | 244.7 - 243.8 m.y. ago |
Stratigraphy
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Favreticeras wallacei subzone |
Lithology and environment
Primary lithology: | lithified not reported |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | taxonomic analysis |
Museum repositories: | NMMNH |
Collectors: | J. Jenks |
Metadata
Database number: | 213146 | ||
Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
Created: | 2020-08-26 16:42:45 | Last modified: | 2020-08-26 16:42:45 |
Access level: | the public | Released: | 2020-08-26 16:42:45 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
73589. | E. A. Bischof and J. Lehmann. 2020. Ontogenetic analysis of Anisian (Middle Triassic) ptychitid ammonoids from Nevada, USA. Journal of Paleontology 94:829-851 [M. Clapham/M. Clapham] |