Fig. 65 in Early-middle Cambrian stratigraphy and faunas from northern Siberia

Fig. 65. Calcium phosphatic tubes of hyolithelminths from the lower Cambrian Erkeket Formation, Khorbusuonka River (A–C, G–J) and Tyuser Formation, lower reaches of the Lena River (D–F, K, L), Siberia, Russia; samples 11/19.5 (B, C), 19/3.25 (H, J), 19/4.25 (I), 19/5.5 (G), 19/16 (A), 21/21 (D, E, K), and 21/22 (F, L). A, F, H. Hyolithellus sp., SMNH X11299–11301, respectively. B–E. Hyolithellus isiticus Missarzhevsky in Rozanov et al., 1969, SMNH X11295–11298, respectively. G, I–L. Torellella spp., SMNH X11302–11306, respectively. Scale bar: 1 mm (D, L), 500 µm (A–C, E, F, H, I–K), and 250 µm (G).