Kerrando Gourrama area, Bed 8 (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 141205: authorized by Martin Aberhan, entered by Thomas Schossleitner on 21.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Carditida - Astartidae
Cephalopoda
 Ammonitida - Graphoceratidae
 Ammonitida - Hammatoceratidae
"Eudmetoceras sp." = Eudmetoceras, "Rhodaniceras dubari" = Eudmetoceras, Euaptetoceras sp., ""Pseudammatoceras" diadematoides" = Accardia diadematoides, Malladaites pertinax
"Eudmetoceras sp." = Eudmetoceras ammonite
"Rhodaniceras dubari" = Eudmetoceras ammonite
""Pseudammatoceras" diadematoides" = Accardia diadematoides Mayer 1871 ammonite