Fig. 33 in Early-middle Cambrian stratigraphy and faunas from northern Siberia

Fig. 33. Sclerites of sachitid Halkieria proboscidea (Meshkova, 1969), from the lower Cambrian Erkeket Formation, Khorbusuonka River, Siberia, Russia; samples 11/16.05 (A, C, D, H, J, K, M, N), 11/2B (B, E, F, I, L, O), 11/16.1 (G). A–K. Cultrate sclerites, SMNH X11044–11054, respectively. A1, oblique lateral view; A2, oblique view on the upper surface of sclerite; A3, oblique view on the lower surface of sclerite; B1, C1, K2, views on the lower surface of sclerites; B2, C2, K1, lateral views. F, close-up of the sclerite and its internal mould. G, internal mould. L–O. Palmate sclerites, SMNH X11056–11059, respectively. Scale bar: 1 mm (A2, A3, B, F, G, I), 500 μm (A1, C, D, E, J, K, N, O), and 250 μm (H, L, M).