Kerrando Gourrama area, Bed 14 (Jurassic of Morocco)

Where: Morocco (32.2° N, 4.3° W: paleocoordinates 27.0° N, 0.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Agoudim Formation, Concavum (175.6 - 171.6 Ma)

• Lower member of the Agoudim Fm; Concavum subzone.

• bed-level stratigraphic resolution

Environment/lithology: marine; gray marl and limestone

• epaisse serie de marnes grises, entrecoupee par de petit bancs calcaires dont le pendage varie de 30 a 40 vers le Nord

Size class: macrofossils

Collection methods: 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

Primary reference: 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]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 141208: authorized by Martin Aberhan, entered by Thomas Schossleitner on 21.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Posidoniidae
"Bositra buchii" = Bositra buchi
"Bositra buchii" = Bositra buchi Roemer 1836 oyster
 Trigoniida - Trigoniidae
Trigonia sp. Bruguière 1789 clam
 Nuculida - Nuculidae
Cephalopoda
 Ammonitida - Sonniniidae
 Ammonitida - Hammatoceratidae
Rhynchonellata
 Terebratulida - Zeilleriidae