Fig. 83 in Terreneuvian stratigraphy and faunas from the Anabar Uplift, Siberia

Fig. 83. Problematicum, phosphatized external surface of an undetermined organism (SMNH X6073) from early Cambrian Medvezhya Formation, western Anabar Uplift, Siberia, Russia; sample 3/10, section 3. A. Upper view (on the oral? surface). B–D. Lateral views. Scale bar 500 μm (A), 1 mm (B–D).