Frick: Early/Lower Sinemurian, Switzerland
collected 1961-1988
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Ichthyosauridae
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Ichthyosaurus communis
Conybeare 1821
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SMF 46, incomplete skull | ||||||||||
see common names |
Geography
Country: | Switzerland | State/province: | Aargau |
Coordinates: | 47.5° North, 8.0° East (view map) | ||
Paleocoordinates: | 36.5° North, 13.7° East | ||
Basis of coordinate: | based on nearby landmark | ||
Altitude: | 480 meters | ||
Geographic resolution: | small collection |
Time
Period: | Jurassic | Epoch: | Early/Lower Jurassic |
Stage: | Sinemurian | 10 m.y. bin: | Jurassic 1 |
Key time interval: | Early/Lower Sinemurian | Other zone: | Semicostatum |
Age range of interval: | 196.50000 - 189.60000 m.y. ago |
Stratigraphy
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | "limestone" |
Includes fossils? | Y |
Lithology description: Layer 14 is about 50 cm thick and consists of quite resistant calcarenites rich in reworked phosphoritized moulds of invertebrates and phosphatic pebbles | |
Environment: | carbonate indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | taxonomic analysis | Collection dates: | 1961-1988 |
Metadata
Database number: | 142834 | ||
Authorizer: | P. Mannion | Enterer: | J. Tennant | Research group: | vertebrate |
Created: | 2013-04-17 02:01:04 | Last modified: | 2013-04-16 11:01:04 |
Access level: | the public | Released: | 2013-04-17 02:01:04 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
46344. | M. W. Maisch, A. G. Reisdorf, R. Schlatter and A. Wetzel. 2008. A large skull of Ichthyosaurus (Reptilia: Ichthyosauria) from the Lower Sinemurian (Lower Jurassic) of Frick (NW Switzerland). Swiss Journal of Geoscience 101:617-627 [P. Mannion/J. Tennant] |