Kerrando Gourrama area, Bed 44: Discites, Morocco
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Terebratulida
- Loboidothyrididae
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Loboidothyris sp.
Buckman 1917
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Rhynchonellata
- Terebratulida
- Zeilleriidae
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Zeilleria sp.
Bayle 1878
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Bivalvia
- Arcida
- Parallelodontidae
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Grammatodon sp.
Meek and Hayden 1860
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Bivalvia
- Pectinida
- Pectinidae
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Chlamys sp.
Röding 1798
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Bivalvia
- Pectinida
- Limidae
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Ctenostreon sp.
Eichwald 1862
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Bivalvia
- Carditida
- Astartidae
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Nicaniella (Traustcholdia) sp.
Chavan 1945
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Cephalopoda
- Ammonitida
- Sonniniidae
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Euhoploceras sp.
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| spelled with current rank as Sonninia (Euhoploceras) | |||||||
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Nannoceras sp.
Buckman 1923
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| synonym of Sonninia (Euhoploceras) | |||||||
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Nannoceras nannomorphum
Buckman 1923
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| recombined as Sonninia (Euhoploceras) nannomorpha | |||||||
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Cephalopoda
- Ammonitida
- Hammatoceratidae
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Haplopleuroceras ? sp.
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| see common names | |||||||
Geography
| Country: | Morocco |
| Coordinates: | 32.2° North, 4.3° West (view map) |
| Paleocoordinates: | 27.1° North, 0.3° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Bajocian | 10 m.y. bin: | Jurassic 4 |
| Key time interval: | Discites | ||
| Age range of interval: | 170.90000 - 168.20000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | gray marl |
| Secondary lithology: | "limestone" |
| Lithology description: epaisse serie de marnes grises, entrecoupee par de petit bancs calcaires dont le pendage varie de 30 a 40 vers le Nord | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: Specimen could be same as in Sadki D. and Almeras Y., 1992 - Le Brachiopods aaleno-bajociens de la region Rich (Haut-Atlas central, Maroc): implications biostratigraphiques et paleoecologiques. Cahiers Inst. Catho. Lyon, ser. Sci., 5: 93-105 | |
Metadata
| Database number: | 141234 | ||
| Authorizer: | M. Aberhan | Enterer: | T. Schossleitner |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2013-03-21 22:08:06 | Last modified: | 2014-07-17 18:22:25 |
| Access level: | the public | Released: | 2013-03-21 22:08:06 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 45839. | D. Sadki. 1994. Proposition de la region de Rich (Haut-Atlas central marocain) comme stratotype auxiliaire submediterranen pour la limite Aalenien Bajocien. Geobios 17:431-440 [M. Aberhan/T. Schossleitner] |