Fig. 33 in An early Cambrian fauna of skeletal fossils from the Emyaksin Formation, northern Siberia

Fig. 33. Halkieriid Halkieria sp. from lower Cambrian Emyaksin Formation, Bol'shaya Kuonamka River, Anabar Uplift, Siberia. A. SMNH X 4667, sample 7/36.7; A1, plan view on the lower side of sclerite and its aperture; A2, oblique lateral view; A3, close-up of A2, fibrous microstructure. B. SMNH X 4666, sample 7/25.6; B1, lateral view; B2, plan view on the lower side of sclerite and its aperture. Scale bar 300 μm, except A3, 30 μm.