Kerrando Gourrama area, Bed 38: Discites, Morocco

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Rhynchonellida - Acanthothirididae
Acanthothiris tenuispira
Rhynchonellata - Terebratulida - Zeilleriidae
Rugitela cf. hughesi
Zeilleria cf. truncatella (Rothpletz 1886)
Cephalopoda - Ammonitida - Otoitidae
Docidoceras sp. Buckman 1919
Cephalopoda - Ammonitida - Sonniniidae
Fontannesia sp.
Euhoploceras sp.
spelled with current rank as Sonninia (Euhoploceras)
Cephalopoda - Ammonitida - Graphoceratidae
Graphoceras formosum
Graphoceras scriptum
Graphoceras pulchrum (Buckman 1902)
Braunsina contorta
synonym of Hyperlioceras
Hyperlioceras (Toxolioceras) sp. ()
synonym of Hyperlioceras
Hyperlioceras (Toxolioceras) incisum (Buckman 1907)
Hyperlioceras (Toxolioceras) inclusum (Buckman 1907)
Cephalopoda - Ammonitida - Hammatoceratidae
Euaptetoceras sp.
Euaptetoceras amplectens (Buckman 1889)
Haplopleuroceras ? sp.
Bivalvia - Nuculida - Nuculidae
Palaeonucula hammeri Defrance 1825
Bivalvia - Nuculanida - Malletiidae
Palaeoneilo sp. Hall and Whitfield 1869
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
Formation:Agoudim
Local section:Gourrama Local bed:38
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Lower member of the Agoudim Fm; Hypertioceras discites zone 'A'
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:141229
Authorizer:M. Aberhan Enterer:T. Schossleitner
Modifier:M. Clapham Research group:marine invertebrate
Created:2013-03-21 22:05:14 Last modified:2014-07-17 18:21:05
Access level:the public Released:2013-03-21 22:05:14
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]