FIG. 21 in Bothriolepid antiarchs (Vertebrata, Placodermi) from the Devonian of the north-western part of the East European Platform

FIG. 21. — Bothriolepis traudscholdi Jaekel, 1927; A-C, MxL; A, PIN 330/99; B, LDM 63/82; C, LDM 63/85; D-G, AVL; D, LDM 63/109 in ventral view; E, PIN 330/64 in ventral view; F, LDM 63/107 in ventral view; G, LDM 63/108 in visceral view; H, I, MV in ventral view; H, LDM 63/122; I, LDM 63/123. Right bank of Syas' River near Stolbovo village, Russia. Dubnik Formation; J, Bothriolepis panderi Lahusen, 1880, anterior part of the AVL plate LDM 63/338 in visceral view. Right bank of Syas' River near Montsevo village, Russia. Snetnaya Gora Beds. Abbreviations: AVL, anterior ventro-lateral plate; MV, median ventral plate; MxL, mixilateral plate; PMD, posterior median dorsal plate; c.al, antero-lateral corner of subcephalic division; cit1, crista transversalis interna anterior; cit2, transverse thickening on the visceral surface of AVL; cu, postero-ventral ornamented corner; d, dorsal corner; dlg2, posterior oblique dorsal sensory line groove; dlr, dorso-lateral ridge of trunk armour; f.ax, axillary foramen; lcg, main lateral line groove; oa.PMD, area overlapped by PMD; p.br, processus brachialis. Scale bar: 10 mm.