PLATE 8. A–L in Devonian Harpetidae from the central and eastern Anti-Atlas, Morocco

PLATE 8. A–L Harpes cf. lentigo, El Otfal Formation, Eifelian, Jbel Issoumour. A–H from an horizon halfway between "Lobopyge Couche" and "Phylonix Couche", dorsal exoskeleton of cephalon, NHMUK It 29239 (Fig. 2B, Map 7, site 14). A, dorsal, B, anterior and C, lateral view. D, anterior view of perforations on brim and genal roll, E, dorsal view of perforations on brim, F, lateral view of eye lobe (uncoated), G, lateral view of genal area (uncoated) and H, lateral view of the internal rim. I–L from the "Lobopyge Couche", dorsal exoskeleton of cephalon, NHMUK It 29238 (Fig. 2B, Map 7, site 7). I, dorsal, J, anterior and K, lateral view. L, dorsal view of brim perforations. Scale bars shown represent 1 cm unless otherwise indicated.