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
Montlivaltia sp. Lamouroux 1821
7 individuals
Polychaeta - Sabellida - Serpulidae
Filograna socialis
3 individuals
Bivalvia - Ostreida - Gryphaeidae
Gryphaea cf. dumortieri Joly 1907
2 individuals
Bivalvia - Ostreida - Palaeolophidae
Actinostreon solitarium (Sowerby 1824)
2 individuals
synonym of Actinostreon gregareum
Bivalvia - Ostreida - Pinnidae
Pinna cf. radiata Munster 1837
7 individuals
recombined as Pinna (Pinna) radiata
Bivalvia - Pectinida - Limidae
Plagiostoma informal sp. A Sowerby 1814
1 individual
Plagiostoma informal sp. B Sowerby 1814
2 individuals
Bivalvia - Pectinida - Pectinidae
Chlamys textoria (Schlotheim 1820)
1 individual
Bivalvia - Pectinida - Neitheidae
Weyla (Weyla) alata (von Buch 1838)
19 individuals
Weyla (Weyla) titan Moricke 1894
1 individual
Bivalvia - Pectinida - Entoliidae
Entolium corneolum (Young and Bird 1828)
6 individuals
recombined as Entolium (Entolium) corneolum
Bivalvia - Pholadomyida - Pholadomyidae
Pholadomya (Pholadomya) corrugata (Koch and Dunker 1837)
1 individual
Bivalvia - Pandorida - Laternulidae
Cercomya sp. Agassiz 1843
1 individual
Bivalvia - Cardiida - Arcticidae
Arcticidae indet. Newton 1891
8 individuals
Bivalvia - Pholadida - Pleuromyidae
Pleuromya uniformis Sowerby 1813
5 individuals
Bivalvia - Trigoniida - Myophorellidae
Myophorella (Myophorella) araucana (Leanza 1942)
3 individuals
Gastropoda - Heterostropha - Tubiferidae
Striactaeonina transatlantica
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]