Cerritos Bayos (Caliza de Stephanoceratidae): Aalenian, Chile
collected by W. A. Biese 1946–1950
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Ichthyosauridae
|
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|
Ichthyosaurus sp.
Koenig 1818
|
1 specimen | |||||||||
| vertebra | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Chile | State/province: | Antofagasta | County: | El Loa |
| Coordinates: | 22.6° South, 69.1° West (view map) | ||||
| Paleocoordinates: | 21.8° South, 33.7° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Aalenian | 10 m.y. bin: | Jurassic 3 |
| Key time interval: | Aalenian | ||
| Age range of interval: | 174.70000 - 170.90000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Caliza de Stephanoceratidae; "Aalenian or upper Liassic" | |||||
Lithology and environment
| Primary lithology: | "limestone" |
| Includes fossils? | Y |
| Lithology description: limestone | |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body,concretion |
| Size of fossils: | macrofossils,mesofossils |
| Fragmentation: | occasional |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | W. A. Biese | Collection dates: | 1946–1950 |
| Taxonomic list comments:Invertebrates are listed but are omitted because the identifications are entirely incorrect. | |||
Metadata
| Database number: | 172177 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Clapham | Research group: | vertebrate |
| Created: | 2015-07-28 15:32:55 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | the public | Released: | 2015-07-28 15:32:55 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 55912. | W. Biese. 1961. El Jurásico de Cerritos Bayos [The Jurassic of Cerritos Bayos]. Universidad de Chile, Facultad de Ciencias Fisicas y Matematicas, Instituto de Geología, Publicación 19:1-61 [M. Carrano/M. Carrano/M. Carrano] |