PLATE 5. A–J in Devonian Harpetidae from the central and eastern Anti-Atlas, Morocco

PLATE 5. A–J Harpes lahceni, dorsal exoskeleton partially enrolled, holotype, NHMUK It 29232, from El Otfal Formation, Eifelian, Horizon 3, Section 2 (Fig. 7), Jbel Issoumour (Fig. 2B, Map 7, site 15). A, dorsal, B, lateraland C, anterior view. D, posterior view, showing dorsal surface partially enrolled thorax and pygidium, and ventral surface of prolongations, E, lateral view of eye lobe, F, ventral view of prolongations, G, dorsal lateral view of eye lobe, H, dorsal view of brim perforations, I, dorsal view of dorsal surface of rim and J, dorsal view of pygidium. K–L Harpes lahceni, dorsal exoskeleton partially enrolled, paratype, NHMUK It 29234, from El Otfal Formation, Eifelian, "Harpes Couche" above Acanthopyge horizon, Timerzit (Fig. 2B, Map 10). K, dorsal view and L, lateral view. M–N Harpes lahceni, dorsal exoskeleton partially enrolled, paratype, NHMUK It 29233, from El Otfal Formation, "Phylonix Couche", Jbel Oufatene (Fig. 2B, Map 8). M, dorsal and N, lateral view. Scale bars shown represent 1 cm unless otherwise indicated.