PLATE 12. A–F in Devonian Harpetidae from the central and eastern Anti-Atlas, Morocco

PLATE 12. A–F Lioharpes cf. morocconensis, from a lower Emsian horizon, Boutiskaouine Formation, 28.3 km SSW of Rissani (Fig. 2B, Map 14, site 10), dorsal exoskeleton of partial cephalon, NHMUK It 29273. A, dorsal, B, anterior and C and D, lateral view. E, lateral view of eye lobe and F, dorsal view of brim perforation. G–M Lioharpes ammari n. sp., from an upper Emsian horizon, Tazoulait Formation, North flank of Jbel Ou-Driss (Fig. 2B, Map 4, site 9), dorsal exoskeleton with pygidium enrolled, holotype, NHMUK It 29263. G, dorsal, H, anterior and I, lateral view. J and K, dorsal and lateral views, respectively, of eye lobe. L and M, dorsal view of brim perforations and exterior rim, respectively. Scale bars shown represent 1 cm unless otherwise indicated.