2002  Korn & Klug: 277. Layer unrecognized, range and age unknown.
     2004  Fröhlich, Rücklin & Wendt in Korn et al., p.308.  Approx. 5 km west of Jebel RherisNorthern flank of the Lalla
               Mimouna summit with late Famennian carbonates. Locality A: N°16,370', W 4°49,276', Fig.1, 2..