Quebrada El Asiento, Profil 2, Sample 2-60: Late/Upper Pliensbachian, Chile
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Ostreida
- Pinnidae
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Pinna cf. radiata
Munster 1837
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5 individuals | ||||||
| recombined as Pinna (Pinna) radiata | |||||||
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Bivalvia
- Pectinida
- Limidae
|
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Plagiostoma informal sp. B
Sowerby 1814
|
1 individual | ||||||
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Bivalvia
- Pectinida
- Entoliidae
|
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Entolium corneolum
(Young and Bird 1828)
|
10 individuals | ||||||
| recombined as Entolium (Entolium) corneolum | |||||||
|
Bivalvia
- Pectinida
- Pectinidae
|
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Pectinidae indet.
Wilkes 1810
|
1 individual | ||||||
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Bivalvia
- Pectinida
- Neitheidae
|
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Weyla (Weyla) titan
Moricke 1894
|
1 individual | ||||||
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Weyla (Weyla) alata
(von Buch 1838)
|
36 individuals | ||||||
|
Bivalvia
- Trigoniida
- Laevitrigoniidae
|
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Quadratojaworskiella pustulata
(Reyes and Perez 1980)
|
2 individuals | ||||||
|
Trigonia inexspectata
Jaworski 1916
|
1 individual | ||||||
| recombined as Frenguelliella inexspectata | |||||||
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Bivalvia
- Trigoniida
- Myophorellidae
|
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Myophorella (Myophorella) araucana
(Leanza 1942)
|
2 individuals | ||||||
|
Bivalvia
- Pholadomyida
- Pholadomyidae
|
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Pholadomya (Pholadomya) corrugata
(Koch and Dunker 1837)
|
14 individuals | ||||||
|
Pholadomya (Pholadomya) multilineata
(Gabb 1870)
|
1 individual | ||||||
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Bivalvia
- Pholadida
- Pleuromyidae
|
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Pleuromya uniformis
Sowerby 1813
|
7 individuals | ||||||
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Bivalvia
- Cardiida
- Glossidae
|
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"Isocardia" liasina
|
2 individuals | ||||||
|
Bivalvia
- Cardiida
- Arcticidae
|
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Arcticidae indet.
Newton 1891
|
3 individuals | ||||||
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Bivalvia
- Cardiida
- Cardiidae
|
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|
Protocardia striatula
Sowerby 1829
|
1 individual | ||||||
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Rhynchonellata
- Terebratulida
- Terebratulidae
|
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"Terebratula" informal sp. A
Müller 1776
|
1 individual | ||||||
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Polychaeta
- Sabellida
- Serpulidae
|
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Serpula sp.
Linnaeus 1758
|
7 individuals | ||||||
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Anthozoa
- Scleractinia
- Montlivaltiidae
|
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Montlivaltia sp.
Lamouroux 1821
|
13 individuals | ||||||
| see common names | |||||||
Geography
| Country: | Chile |
| Coordinates: | 26.5° South, 69.3° West (view map) |
| Paleocoordinates: | 26.7° South, 32.1° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Pliensbachian | 10 m.y. bin: | Jurassic 2 |
| Key time interval: | Late/Upper Pliensbachian | ||
| Age range of interval: | 192.90000 - 184.20000 m.y. ago |
Stratigraphy
| Local section: | Quebrada El Asiento | Local bed: | 2-60 |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified "mixed carbonate-siliciclastic" | ||
| Environment: | open shallow subtidal | Tectonic setting: | back-arc basin |
Taphonomy
| Modes of preservation: | body,mold/impression,original calcite,replaced with silica |
| Size of fossils: | macrofossils |
| Articulated whole bodies: | some |
| Temporal resolution: | time-averaged |
Collection methods and comments
| Collection methods: | mechanical |
| Collection size: | 108 individuals |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 33882 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2003-08-08 06:07:17 | Last modified: | 2017-07-31 19:03:02 |
| Access level: | the public | Released: | 2003-08-08 06:07:17 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 487. | M. Aberhan. 1992. Palokologie und zeitliche Verbreitung benthischer Faunengemeinschaften im Unterjura von Chile. Beringeria 5:1-174 [M. Kosnik/M. Kosnik] |