"Marls overlying the MimagoniatitesLimestone, uppermost Seheb El Rhassel Group. The age ofthese marls very likely corresponds to the Gyroceratiteslaevis Zone, the stratigraphically latest ammonoid zone ofthe early Emsian Stage" Klug, 2017

Jebel Mdouar, northern Tafilalt; c. 15 kmwest of Rissani, Morocco