CMI 41.5B: Bajocian, Chile
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Stephanoceratidae
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Stephanoceras aff. pyritosum
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| original and current combination Stephanoceras | |||||||
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Stephanoceras sp.
(Waagen 1869)
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| original and current combination Stephanoceras | |||||||
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Bivalvia
- Ostreida
- Palaeolophidae
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Actinostreon sp.
(Bayle 1878)
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| original and current combination Lopha (Actinostreon) | |||||||
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Bivalvia
- Pectinida
- Limidae
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Ctenostreon sp.
Eichwald 1862
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Bivalvia
- Pectinida
- Pectinidae
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Chlamys sp.
Röding 1798
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Camptonectes sp.
Meek 1864
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Bivalvia
- Trigoniida
- Myophorellidae
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Vaugonia aff. substriata
(Burmeister and Giebel 1861)
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Bivalvia
- Pholadomyida
- Pholadomyidae
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Homomya sp.
Agassiz 1843
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Rhynchonellata
- Terebratulida
- Loboidothyrididae
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Loboidothyris sp.
Buckman 1917
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Loboidothyris aff. perovalis
(Sowerby 1825)
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| see common names | |||||||
Geography
| Country: | Chile | State/province: | Región de Tarapacá |
| Coordinates: | 20.0° South, 70.1° West (view map) | ||
| Paleocoordinates: | 19.2° South, 35.3° West |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Bajocian | 10 m.y. bin: | Jurassic 4 |
| Key time interval: | Bajocian | ||
| Age range of interval: | 170.90000 - 168.20000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | poorly lithified cherty/siliceous sandstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | cast,mold/impression |
| Size of fossils: | mesofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 228995 | ||
| Authorizer: | M. Rivadeneira | Enterer: | L. Ledezma-Durán |
| Created: | 2023-01-28 12:15:50 | Last modified: | 2023-01-28 12:15:50 |
| Access level: | the public | Released: | 2023-01-28 12:15:50 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 83237. | P. Vásquez and F. A. Sepúlveda. 2013. Cartas Iquique y Pozo Almonte, Región de Tarapacá. Servicio Nacional de Geología y Minería, Carta Geológica de Chile, Serie Geológica Básica Nos. 162-163, 1 mapa escala 1:100.000. Santiago. [M. Rivadeneira/L. Ledezma-Durán/L. Ledezma-Durán] |