Chacay Melehue 3: Early/Lower Oxfordian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Oppeliidae
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Hecticoceras lairense
(Waagen 1875)
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Cephalopoda
- Ammonitida
- Perisphinctidae
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Perisphinctes hillebrandti
Parent 2006
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| sp nov. | ||||||||||
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Cephalopoda
- Ammonitida
- Aspidoceratidae
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Peltoceras athleta
(Phillips 1829)
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| recombined as Peltoceras (Peltoceras) athleta | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Neuquen |
| Coordinates: | 37.0° South, 70.5° West (view map) | ||
| Paleocoordinates: | 34.3° South, 32.7° West | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Stage: | Oxfordian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Early/Lower Oxfordian | Ammonoid zone: | Patagoniense |
| Age range of interval: | 161.50000 - 154.80000 m.y. ago |
Stratigraphy
| Formation: | Lotena |
Lithology and environment
| Primary lithology: | sandy siltstone |
| Includes fossils? | Y |
| 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: | 135724 | ||
| Authorizer: | J. Alroy | Enterer: | J. Martinelli |
| Created: | 2012-11-05 22:23:32 | Last modified: | 2012-11-05 05:23:32 |
| Access level: | the public | Released: | 2012-11-05 22:23:32 |
| Creative Commons license: | CC BY |
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] |