Fig. 45 in An early Cambrian fauna of skeletal fossils from the Emyaksin Formation, northern Siberia

Fig. 45. Problematic cones from lower Cambrian Emyaksin Formation, Bol'shaya Kuonamka River, Anabar Uplift, Siberia; sample 6/3.9. A. SMNH X 4722; A1, view on the inner surface; A2 and A3, lateral views. B. SMNH X 4723; B1, B2, B5, and B6, lateral views; B3, view on the inner surface; B4, closeup of B1 showing ornamentation. Scale bar: A, B2, 600 μm; B1, B3, B5, B6, 200 μm; B4, 60 μm.