Quebrada El Asiento, Profil 2, Sample 2-81 B3: Late/Upper Pliensbachian, Chile
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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1 individual | ||||||
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Gastropoda
- Heterostropha
- Tubiferidae
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Striactaeonina transatlantica
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3 individuals | ||||||
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Gastropoda
- Pleurotomariidae
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"Pleurotomaria" informal sp. A
Defrance 1826
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2 individuals | ||||||
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Gastropoda
- Eucyclidae
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Amberleya cf. americana
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4 individuals | ||||||
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Bivalvia
- Pandorida
- Laternulidae
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? Platymyoidea cf. longa
(Buvignier 1852)
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2 individuals | ||||||
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Bivalvia
- Pholadomyida
- Pholadomyidae
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Goniomya (Goniomya) asientosensis n. sp.
Aberhan 2004
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2 individuals | ||||||
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Pholadomya (Pholadomya) fidicula
(Sowerby 1826)
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12 individuals | ||||||
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Pholadomya (Pholadomya) multilineata
(Gabb 1870)
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11 individuals | ||||||
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Pholadomya (Pholadomya) corrugata
(Koch and Dunker 1837)
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23 individuals | ||||||
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Bivalvia
- Pholadida
- Pleuromyidae
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Pleuromya uniformis
Sowerby 1813
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16 individuals | ||||||
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Bivalvia
- Cardiida
- Arcticidae
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Arcticidae indet.
Newton 1891
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5 individuals | ||||||
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Anisocardia informal sp. A
Munier-Chalmas 1863
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2 individuals | ||||||
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Bivalvia
- Cardiida
- Glossidae
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"Isocardia" liasina
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2 individuals | ||||||
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Bivalvia
- Cardiida
- Cardiidae
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Protocardia striatula
Sowerby 1829
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4 individuals | ||||||
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Bivalvia
- Lucinida
- Lucinidae
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Mesomiltha bellona
d'Orbigny 1850
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31 individuals | ||||||
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Bivalvia
- Carditida
- Cardiniidae
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Cardinia andium
(Giebel 1861)
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1 individual | ||||||
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Bivalvia
- Trigoniida
- Myophorellidae
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Myophorella (Myophorella) araucana
(Leanza 1942)
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16 individuals | ||||||
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Vaugonia exotica
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1 individual | ||||||
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Bivalvia
- Trigoniida
- Laevitrigoniidae
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Quadratojaworskiella pustulata
(Reyes and Perez 1980)
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4 individuals | ||||||
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Bivalvia
- Trigoniida
- Trigoniidae
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Myophorigonia aff. neuquensis
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2 individuals | ||||||
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Bivalvia
- Mytilida
- Mytilidae
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Lithophaga sp.
Röding 1798
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3 individuals | ||||||
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Modiolus (Modiolus) chilensis
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4 individuals | ||||||
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Bivalvia
- Pectinida
- Neitheidae
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Weyla (Weyla) titan
Moricke 1894
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2 individuals | ||||||
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Weyla (Weyla) alata
(von Buch 1838)
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45 individuals | ||||||
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Bivalvia
- Pectinida
- Pectinidae
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Pectinidae indet.
Wilkes 1810
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2 individuals | ||||||
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Bivalvia
- Pectinida
- Limidae
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Plagiostoma informal sp. B
Sowerby 1814
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2 individuals | ||||||
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Bivalvia
- Pectinida
- Plicatulidae
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Plicatula informal sp. A
Lamarck 1801
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1 individual | ||||||
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Bivalvia
- Pectinida
- Entoliidae
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Entolium corneolum
(Young and Bird 1828)
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39 individuals | ||||||
| recombined as Entolium (Entolium) corneolum | |||||||
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Bivalvia
- Ostreida
- Bakevelliidae
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Gervillaria pallas
(Leanza 1942)
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2 individuals | ||||||
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Bivalvia
- Ostreida
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Pteriacea indet.
Gray 1847
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1 individual | ||||||
| replaced by Pterioidea | |||||||
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Bivalvia
- Ostreida
- Pinnidae
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Pinna cf. radiata
Munster 1837
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4 individuals | ||||||
| recombined as Pinna (Pinna) radiata | |||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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? Nanogyra cf. auricularis
(Munster 1833)
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3 individuals | ||||||
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Gryphaea (Gryphaea) cf. dumortieri
Joly 1907
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30 individuals | ||||||
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Bivalvia
- Arcida
- Parallelodontidae
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Parallelodon groeberi
Damborenea 1987
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1 individual | ||||||
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Rhynchonellata
- Rhynchonellida
- Tetrarhynchiidae
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Tetrarhynchia tetrahedra
(Sowerby 1812)
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8 individuals | ||||||
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Quadratirhynchia informal sp. B
Buckman 1917
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7 individuals | ||||||
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Rhynchonellata
- Terebratulida
- Terebratulidae
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"Terebratula" informal sp. A
Müller 1776
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13 individuals | ||||||
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"Terebratula" informal sp. B
Müller 1776
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11 individuals | ||||||
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Anthozoa
- Scleractinia
- Montlivaltiidae
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Montlivaltia sp.
Lamouroux 1821
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9 individuals | ||||||
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Demospongiae
- Hadromerida
- Suberitidae
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Andenipora liasica
Gerth 1926
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1 individual | ||||||
| recombined as Chaetetes (Pseudoseptifer) liasica | |||||||
| 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: | 2-81 B3 |
| 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: | 332 individuals |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 33890 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2003-08-08 06:12:20 | Last modified: | 2017-07-31 19:04:00 |
| Access level: | the public | Released: | 2003-08-08 06:12:20 |
| 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] |