Kerrando Gourrama area, Bed 22 (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. Limitatum 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 141214: authorized by Martin Aberhan, entered by Thomas Schossleitner on 21.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Pectinoidae
Chlamys sp. Röding 1798 scallop
Cephalopoda
 Ammonitida - Graphoceratidae
Graphoceras (Ludwigella) limitatum Buckman 1902 ammonite
Graphoceras pulchrum Buckman 1902 ammonite
 Ammonitida - Hammatoceratidae
"Eudmetoceras sp." = Eudmetoceras, "Eudmetoceras "sp. B"" = Eudmetoceras, "Rhodaniceras sp." = Eudmetoceras, Euaptetoceras sp., "Ambersites sp." = Abbasites
"Eudmetoceras sp." = Eudmetoceras ammonite
"Eudmetoceras "sp. B"" = Eudmetoceras ammonite
"Rhodaniceras sp." = Eudmetoceras ammonite
"Ambersites sp." = Abbasites ammonite
 Ammonitida - Oppeliidae
Praeoppelia sp. Westermann 1969 ammonite
Bradfordia liomphala Buckman 1910 ammonite
 Ammonitida - Otoitidae
Docidoceras wysogorskii Prinz 1904 ammonite
Rhynchonellata
 Terebratulida - Zeilleriidae
 Terebratulida - Lobothyrididae
 Rhynchonellida - Acanthothirididae