Fig. 5From: The swimming trace Undichna from the latest Devonian Hangenberg Sandstone equivalent of MoroccoUndichna britannica, PIMUZ A/I 5060, equivalent of the Hangenberg sandstone, latest Devonian, El Khraouia, near Merzouga and Taouz. A Photo taken under shallow white light with the main light source on the bottom left. BÂ 3D scan with Artec Eva. The tracks of the fins are well discernible, particularly the impression of the caudal fin is sharp, overlaying the othersBack to article page