Fig. 3From: First description of the early Devonian ammonoid Mimosphinctes from Gondwana and stratigraphical implicationsLithostratigraphy of the early Emsian of Jebel Mdouar. Modified after Klug (2001) incorporating information of Hollard (1981), Alberti (1981) and Aboussalam et al. (2015)Back to article page