FIG. 11. — A-Q, T, U, W in Conodonts in the Silurian of Severnaya Zemlya and Sedov archipelagos (Russia), with special reference to the genus Ozarkodina Branson & Mehl, 1933

FIG. 11. — A-Q, T, U, W, Ozarkodina? aff. waugoolaensis Bischoff, 1986; A, B, E, Cn 6045, lateral and lower views of Pa element (B in translucent light); C, Cn 6057, posterior view of Sb element; D, G, K, Cn 6044, lateral and lower views of Pa element (G in translucent light); F, J, P, Cn 6046, lateral and lower views of Pa element (P in translucent light); H, Cn 6053, posterior view of Sb element; I, Cn 6050, lateral view of M element; L, O, Cn 6047, lateral and lower views of Pb element; M, Cn 6051, lateral view of Sc element; N, Cn 6055, posterior view of Sa element with denticulated posterior process; Q, Cn 6049, lateral view of M element; T, W, Cn 6047, lateral views of Pb element (W in translucent light); U, Cn 6057, posterior view of Sa element without posterior process; all specimens from the lowermost part of the Samojlovich Formation, Srednij Island, section 1(79), sample MF 1-1; R, S, V, Ozarkodina waugoolaensis Bischoff, 1986, Cn 6082, lateral and lower views of Pa element (S in translucent light); uppermost part of the Srednij Formation, October Revolution Island, Ushakov River, section 32, sample MF 46-20. Scale bar: 0.5 mm.