Gheris Valley, Amellago area (murchisonae zone): Murchisonae, Morocco
collected 2001-2005
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Lytoceratidae
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Alocolytoceras ophioneum
(Benecke 1865)
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| see common names | |||||||
Geography
| Country: | Morocco |
| Coordinates: | 32.0° North, 5.0° West (view map) |
| Paleocoordinates: | 27.1° North, 1.4° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Aalenian | 10 m.y. bin: | Jurassic 3 |
| Key time interval: | Murchisonae | ||
| Age range of interval: | 174.70000 - 170.90000 m.y. ago |
Stratigraphy
| Formation: | Agoudim Marls |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified marl |
| Environment: | offshore indet. |
Taphonomy
| Modes of preservation: | body,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis | Collection dates: | 2001-2005 |
| Collection method comments: Repository: Centre des Sciences de la Terre, Université de Bourgogne (abbreviation: UBGD), Dijon, France | |
Metadata
| Database number: | 145368 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2013-06-02 04:30:12 | Last modified: | 2013-06-01 13:30:12 |
| Access level: | the public | Released: | 2013-06-02 04:30:12 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 33872. | R. Bourillot, P. Neige, A. Pierre and C. Durlet. 2008. Early-Middle Jurassic lytoceratid ammonites with constrictions from Morocco: palaeobiogeographical and evolutionary implications. Palaeontology 51:597-609 [A. Miller/K. Feser/M. Clapham] |