Quebrada El Asiento, Profil 2, Sample 2-53: Late/Upper Pliensbachian, Chile
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa
- Scleractinia
- Montlivaltiidae
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Montlivaltia sp.
Lamouroux 1821
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7 individuals | ||||||
Polychaeta
- Sabellida
- Serpulidae
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Filograna socialis
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3 individuals | ||||||
Bivalvia
- Ostreida
- Gryphaeidae
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Gryphaea cf. dumortieri
Joly 1907
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2 individuals | ||||||
Bivalvia
- Ostreida
- Palaeolophidae
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Actinostreon solitarium
(Sowerby 1824)
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2 individuals | ||||||
synonym of Actinostreon gregareum | |||||||
Bivalvia
- Ostreida
- Pinnidae
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Pinna cf. radiata
Munster 1837
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7 individuals | ||||||
recombined as Pinna (Pinna) radiata | |||||||
Bivalvia
- Pectinida
- Limidae
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Plagiostoma informal sp. A
Sowerby 1814
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1 individual | ||||||
Plagiostoma informal sp. B
Sowerby 1814
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2 individuals | ||||||
Bivalvia
- Pectinida
- Pectinidae
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Chlamys textoria
(Schlotheim 1820)
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1 individual | ||||||
Bivalvia
- Pectinida
- Neitheidae
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Weyla (Weyla) alata
(von Buch 1838)
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19 individuals | ||||||
Weyla (Weyla) titan
Moricke 1894
|
1 individual | ||||||
Bivalvia
- Pectinida
- Entoliidae
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Entolium corneolum
(Young and Bird 1828)
|
6 individuals | ||||||
recombined as Entolium (Entolium) corneolum | |||||||
Bivalvia
- Pholadomyida
- Pholadomyidae
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Pholadomya (Pholadomya) corrugata
(Koch and Dunker 1837)
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1 individual | ||||||
Bivalvia
- Pandorida
- Laternulidae
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Cercomya sp.
Agassiz 1843
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1 individual | ||||||
Bivalvia
- Cardiida
- Arcticidae
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Arcticidae indet.
Newton 1891
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8 individuals | ||||||
Bivalvia
- Pholadida
- Pleuromyidae
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Pleuromya uniformis
Sowerby 1813
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5 individuals | ||||||
Bivalvia
- Trigoniida
- Myophorellidae
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Myophorella (Myophorella) araucana
(Leanza 1942)
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3 individuals | ||||||
Gastropoda
- Heterostropha
- Tubiferidae
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Striactaeonina transatlantica
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1 individual | ||||||
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: | 189.60000 - 183.00000 m.y. ago |
Stratigraphy
Local section: | Quebrada El Asiento | Local bed: | 2-53 |
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: | 70 individuals |
Reason for describing collection: | paleoecologic analysis |
Metadata
Database number: | 33881 | ||
Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
Modifier: | M. Clapham | Research group: | marine invertebrate |
Created: | 2003-08-08 06:06:24 | Last modified: | 2017-07-31 19:02:52 |
Access level: | the public | Released: | 2003-08-08 06:06:24 |
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] |