Fig. 44 in An early Cambrian fauna of skeletal fossils from the Emyaksin Formation, northern Siberia

Fig. 44. Tommotiids Lapworthella spp. from lower Cambrian Emyaksin Formation, Bol'shaya Kuonamka River and Malaya Kuonamka River, Anabar Uplift, Siberia. A. Lapworthella cf. L. tortuosa Missarzhevsky in Rozanov and Missarzhevsky, 1966, SMNH X 4714, sample K6-8.1B; lateral (A1) and basal (A2) views. B. Lapworthella sp., SMNH X 4715, sample 6/4.9; lateral (B1) and apical (B2) views. C–H. Lapworthella dentata Missarzhevsky in Rozanov et al., 1969. C. SMNH X 4716, sample 7/60; apical view. D. SMNH X 4717, sample 7/60; oblique apical view. E. SMNH X 4719, sample 7/62; lateral (E1) and basal (E2) views. F. SMNH X 4718, sample 7/60; lateral view. G. SMNH X 4720, sample 7/64; apical (G1) and lateral (G2) views. H. SMNH X 4721, sample 1/5; lateral view on the fragment. Scale bar 300 μm, except H, 600 μm.