Kerrando Gourrama area, Bed 26: Concavum, Morocco
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata
- Terebratulida
- Zeilleriidae
|
|||||||
Rugitela cf. hughesi
|
|||||||
Zeilleria cf. truncatella
(Rothpletz 1886)
|
|||||||
Rhynchonellata
- Terebratulida
- Loboidothyrididae
|
|||||||
Loboidothyris sp.
Buckman 1917
|
|||||||
Bivalvia
- Nuculida
- Nuculidae
|
|||||||
Palaeonucula hammeri
Defrance 1825
|
|||||||
Bivalvia
- Ostreida
- Posidoniidae
|
|||||||
Bositra buchii
(Roemer 1836)
|
|||||||
recombined as Bositra buchi | |||||||
Bivalvia
- Pectinida
- Limidae
|
|||||||
Ctenostreon sp.
Eichwald 1862
|
|||||||
Bivalvia
- Pectinida
- Pectinidae
|
|||||||
Chlamys sp.
Röding 1798
|
|||||||
Bivalvia
- Carditida
- Astartidae
|
|||||||
Nicaniella (Traustcholdia) sp.
Chavan 1945
|
|||||||
Bivalvia
- Trigoniida
- Trigoniidae
|
|||||||
Trigonia sp.
Bruguière 1789
|
|||||||
Cephalopoda
- Ammonitida
- Hammatoceratidae
|
|||||||
Ambersites sp.
Buckman 1921
|
|||||||
synonym of Abbasites | |||||||
Rhodaniceras sp.
Elmi 1963
|
|||||||
synonym of Eudmetoceras | |||||||
Haplopleuroceras sp.
|
|||||||
Haplopleuroceras subspinatum
(Buckman and Buckman 1881)
|
|||||||
Cephalopoda
- Ammonitida
- Sonniniidae
|
|||||||
Fontannesia sp.
|
|||||||
Fontannesia luculenta
|
|||||||
Asthenoceras sp.
|
|||||||
Euhoploceras sp.
|
|||||||
spelled with current rank as Sonninia (Euhoploceras) | |||||||
Nannoceras sp.
Buckman 1923
|
|||||||
synonym of Sonninia (Euhoploceras) | |||||||
Cephalopoda
- Ammonitida
- Graphoceratidae
|
|||||||
Graphoceras sp.
|
|||||||
Graphoceras formosum
|
|||||||
Graphoceras (Ludwigella) limitatum
Buckman 1902
|
|||||||
Cephalopoda
- Ammonitida
- Otoitidae
|
|||||||
Docidoceras sp.
Buckman 1919
|
|||||||
Cephalopoda
- Ammonitida
- Oppeliidae
|
|||||||
Bradfordia sp.
Buckman 1910
|
|||||||
see common names |
Geography
Country: | Morocco |
Coordinates: | 32.2° North, 4.3° West (view map) |
Paleocoordinates: | 27.0° North, 0.3° West |
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: | Concavum | ||
Age range of interval: | 175.60000 - 171.60000 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: | 141217 | ||
Authorizer: | M. Aberhan | Enterer: | T. Schossleitner |
Modifier: | M. Clapham | Research group: | marine invertebrate |
Created: | 2013-03-21 21:55:50 | Last modified: | 2014-07-17 18:18:18 |
Access level: | the public | Released: | 2013-03-21 21:55:50 |
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] |