Fig. 3 in First palaeoscolecid from the Cambrian (Drumian, Miaolingian) Marjum Formation of western Utah, USA

Fig. 3. SEM micrograph and SEM-EDS elemental maps of the posterior region of KUMIP 204770 (Ottoia? sp.), from the Drumian, Cambrian Marjum Formation in the House Range of Utah, USA (Sponge Gully locality). A1, SEM micrograph of the analyzed area (posterior trunk region); A2–A6, SEM-EDS elemental maps of P, Ca, C, Fe, and Mg, respectively.