Chacay Melehue 2: Late Callovian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Cephalopoda
- Ammonitida
- Oppeliidae
|
||||||||||
|
Oxycerites oxynotus
(Leanza 1946)
|
||||||||||
|
Cephalopoda
- Ammonitida
- Reineckeiidae
|
||||||||||
|
Cephalopoda
- Ammonitida
- Sphaeroceratidae
|
||||||||||
| sp nov. | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Neuquen |
| Coordinates: | 37.0° South, 70.5° West (view map) | ||
| Paleocoordinates: | 41.0° South, 23.7° West (Wright 2013) | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Callovian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Late Callovian | Ammonoid zone: | Patagoniense |
| Age range of interval: | 165.3 - 161.5 m.y. ago |
Stratigraphy
| Formation: | Lotena |
Lithology and environment
| Primary lithology: | siltstone |
| Environment: | marginal marine indet. |
Taphonomy
| Modes of preservation: | body,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 135723 | ||
| Authorizer: | J. Alroy | Enterer: | J. Martinelli |
| Created: | 2012-11-05 22:15:50 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2012-11-05 22:15:50 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 43327. | H. Parent. 2006. Oxfordian and late Callovian ammonite faunas and biostratigraphy of the Neuquen-Mendoza and Tarapaca Basins (Jurassic, Ammonoidea, Western South-America). Boletin del Instituto de Fisiografia y Geologia 76(1-2):1-70 [J. Alroy/J. Martinelli] |