Level Z-57, Reno Draw section 3: Liasicus, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Psiloceratidae
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Franziceras coronoides
(Guex 1980)
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Mineral |
| Coordinates: | 38.5° North, 118.1° West (view map) | ||||
| Paleocoordinates: | 19.5° North, 56.2° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Hettangian | 10 m.y. bin: | Jurassic 1 |
| Key time interval: | Liasicus | Ammonoid zone: | Franziceras coronoides |
| Age range of interval: | 201.40000 - 199.50000 m.y. ago |
Stratigraphy
| Formation: | Sunrise | Member: | Ferguson Hill | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Correlated with upper portlocki subzone of European scale by Guex | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Repository: Musée de Géologie de Lausanne | |
Metadata
| Database number: | 188647 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2017-09-10 23:35:49 | Last modified: | 2017-09-10 23:35:49 |
| Access level: | the public | Released: | 2017-09-10 23:35:49 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 63270. | J. Guex. 1995. Ammonites hettangiennes de la Gabbs Valley Range (Nevada, USA). Mémoires de Géologie (Lausanne) 27:1-131 [M. Clapham/M. Clapham] |