FIG. 2. — A-I, Thelodus matukhini n in Upper Silurian thelodonts from Severnaya Zemlya Archipelago (Russia)

FIG. 2. — A-I, Thelodus matukhini n. sp., scales in crown view; A, LIG 35-859; B, holotype, LIG 35-860; C, LIG 35-861; D, LIG 35- 862; E, Pi 7552; F, Pi 7550; G, Pi 7547; H, Pi 7551; I, Pi 7557; A-D, sample 18041-14, Komsomolets Island, Ludlow, Upper Silurian; E-I, sample MF 34-1, cape October (Octyabrskij), October Revolution Island, Ludlow, Upper Silurian; J-Q, Loganellia cuneata (Gross, 1947); J, L, O-Q, scales in crown view; K, M, scales in oblique lateral crown view; N, a scale in lateral view; J-Q, LIG 35-863- LIG 35-870; sample 2-23, Matusevich River, October Revolution Island, Ust-Spokojnaya Formation, Ludlow, Upper Silurian. Scale bars: A, C, E-H, J-P, 0.1 mm; B, D, I, Q, 0.2 mm.