Cerritos Bayos (Banco de Vertebrata): Early/Lower Callovian, Chile
collected by W. A. Biese 1946–1950
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Actinopteri
- Pachycormiformes
- Pachycormidae
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Pachycormus sp.
Agassiz 1833
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Actinopteri
- Lepisosteiformes
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Lepidotus sp.
(Agassiz 1832)
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| original and current combination Lepidotes | ||||||||||
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Reptilia
- Ichthyosauridae
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Ichthyosaurus quenstedti
Zittel 1890
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| nomen dubium belonging to Ichthyosaurus | ||||||||||
| part of rostrum with teeth, vertebrae, ribs, manus bones | ||||||||||
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Reptilia
- Plesiosauria
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Plesiosaurus sp.
de la Beche and Conybeare 1821
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Reptilia
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Megalosauridae indet.
(Fitzinger 1843)
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| original and current combination Megalosauri | ||||||||||
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Cephalopoda
- Ammonitida
- Lissoceratidae
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Lissoceras sp.
Bayle 1879
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Cephalopoda
- Ammonitida
- Oppeliidae
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Ochetoceras sp.
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Cephalopoda
- Ammonitida
- Macrocephalitidae
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Macrocephalites sp.
Zittel 1884
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Cephalopoda
- Ammonitida
- Perisphinctidae
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Perisphinctes sp.
(Waagen 1869)
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| original and current combination Stephanoceras (Perisphinctes) | ||||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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| see common names | ||||||||||
Geography
| Country: | Chile | State/province: | Antofagasta | County: | El Loa |
| Coordinates: | 22.6° South, 69.1° West (view map) | ||||
| Paleocoordinates: | 21.2° South, 34.2° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Callovian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Early/Lower Callovian | ||
| Age range of interval: | 165.30000 - 161.50000 m.y. ago |
Stratigraphy
| Formation: | Cerritos Bayos | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "Banco de Vertebrata" upper 1-2 m of the "Marga de Belemnites" | |||||
Lithology and environment
| Primary lithology: | concretionary calcareous marl |
| Includes fossils? | Y |
| Lithology description: marl with large calcarous concretions | |
| Environment: | marginal marine indet. |
Taphonomy
| Modes of preservation: | body |
| 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 |
Metadata
| Database number: | 170680 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2015-06-26 10:05:02 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | the public | Released: | 2015-06-26 10:05:02 |
| 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] |
Secondary references:
| 55571 | D. Rubilar-Rogers, R. A. Otero, R. E. Yury-Yáñez, A. O. Vargas, and C. S. Gutstein. 2012. An overview of the dinosaur fossil record from Chile. Journal of South American Earth Sciences 37:242-255 [M. Carrano/M. Carrano] | |
| 55605 | P. Salinas, L. G. Marshall, and P. Sepúlveda. 1991. Vertebrados continentales del Paleozoico y Mesozoico de Chile [Continental vertebrates of the Paleozoic and Mesozoic of Chile]. Actas del VI Congreso Geológicao Chileno, Viña del Mar 310-313 [M. Carrano/M. Carrano] |