Fig. 1From: Gymnodiadema and the Jurassic roots of the Arbacioida (stirodont echinoids)Map showing the location of the two areas in Morocco from which echinoids in this paper are described. The inset shows Morocco with the dark grey rectangle the position of the larger map. Asterisks mark the two fossil localities from which Jurassic echinoid faunas have been collectedBack to article page