Fig. 5From: A giant limulid trackway (Kouphichnium lithographicum) from the lithographic limestones of Cerin (Late Kimmeridgian, France): ethological and environmental implicationsSection of the trackway showing four pusher imprints and specifying the measurement of external width, internal width, and stride. Pusher imprints come from sets 3 and 4Back to article page