Schinznach 89: Opalinum, Switzerland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Nododelphinulidae
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Amphitrochus subduplicatus
(d'Orbigny 1850)
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1 individual | |||||||||
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Gastropoda
- Eucyclidae
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Amberleya tenuistriata
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1 individual | |||||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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Nuculana diana
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2 individuals | |||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Palaeonucula hammeri
Defrance 1825
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1 individual | |||||||||
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Bivalvia
- Ostreida
- Posidoniidae
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Bositra buchii
(Roemer 1836)
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300 individuals | |||||||||
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Anthozoa
- Scleractinia
- Caryophylliidae
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Thecocyathus mactra
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1 individual | |||||||||
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unclassified
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Planolites sp.
Nicholson 1873
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35 individuals | |||||||||
| A | ||||||||||
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Planolites sp.
Nicholson 1873
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4 individuals | |||||||||
| B | ||||||||||
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Planolites sp.
Nicholson 1873
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1 individual | |||||||||
| C | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Switzerland |
| Coordinates: | 47.4° North, 8.2° East (view map) |
| Paleocoordinates: | 36.9° North, 17.9° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Aalenian | 10 m.y. bin: | Jurassic 3 |
| Key time interval: | Opalinum | ||
| Age range of interval: | 174.7 - 170.9 m.y. ago |
Stratigraphy
| Formation: | Opalinuston | ||
| Local section: | Schinznach | Local bed: | 89 |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified mudstone | ||
| Environment: | offshore | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body,mold/impression,original calcite |
| Size of fossils: | macrofossils |
| Articulated whole bodies: | some |
| Temporal resolution: | time-averaged |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | mechanical |
| Collection size: | 306 individuals |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 35815 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2004-01-08 06:57:32 | Last modified: | 2014-07-13 09:31:56 |
| Access level: | the public | Released: | 2004-01-08 06:57:32 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 9638. | W. Etter. 1990. Paläontologische Untersuchungen im unteren Opalinuston der Nordschweiz. 151pp. [M. Aberhan/S. Nurnberg/S. Nurnberg] |