Valporina, minerale 4, Tessin collection, Monte San Giorgio: Illyrian, Switzerland
collected 1931
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Chondrichthyes
- Hybodontiformes
- Acrodontidae
|
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|
Asteracanthus sp.
Agassiz 1836
|
1 specimen | |||||||||
| PIMUZ T3817 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Switzerland |
| Coordinates: | 45.9° North, 8.9° East (view map) |
| Paleocoordinates: | 7.0° North, 21.7° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Middle Triassic |
| Stage: | Anisian | 10 m.y. bin: | Triassic 2 |
| Key time interval: | Illyrian | ||
| Age range of interval: | 243.80000 - 242.00000 m.y. ago |
Stratigraphy
| Formation: | Besano | Member: | Grenzbitumenzone |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified dolomite |
| Secondary lithology: | black lithified "shale" |
| Environment: | lagoonal/restricted shallow subtidal |
Taphonomy
| Modes of preservation: | body,adpression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | selective quarrying,survey of museum collection |
| Reason for describing collection: | taxonomic analysis | Collection dates: | 1931 |
| Collection method comments: "Tessin collection" of the Palaontologisches Institut und Museum der Universitat Zurich (PIMUZ T. numbers), begun in 1924 by Berhard Peyer and collected through at least 1968. | |
Metadata
| Also known as: | Val Porina | ||
| Database number: | 132293 | ||
| Authorizer: | M. Clapham | Enterer: | P. Vazquez |
| Modifier: | M. Clapham | Research group: | vertebrate |
| Created: | 2012-08-11 09:42:17 | Last modified: | 2013-11-25 13:02:06 |
| Access level: | the public | Released: | 2012-08-11 09:42:17 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 42588. | O. Rieppel. 1981. The hybodontiform sharks from the Middle Triassic of Mte. San Giorgio, Switzerland. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 161:324-353 [M. Clapham/P. Vazquez/M. Clapham] |