PLATE 1. A–Q Harpes boudibensis n in Devonian Harpetidae from the central and eastern Anti-Atlas, Morocco

PLATE 1. A–Q Harpes boudibensis n. sp., El Otfal Formation, Eifelian. A–D, articulated dorsal exoskeleton, paratype, NHMUK It 29226, type locality horizon 1 (site 1). A, dorsal, B, lateral and C, anterior view. D, dorsal view of brim perforations. E–J, dorsal exoskeleton, pygidium enrolled, paratype, NHMUK It 29228, type locality, horizon 2 (site 5). E, anterior, F, dorsal and G, lateral view. H, ventral view of anterior part of cephalon, I, hypostome and J, dorsal view of brim perforations. K–Q, enrolled articulated dorsal exoskeleton, holotype, NHMUK It 29227, horizon 1, Section 2 (Fig. 7), Jbel Issoumour (Fig. 2B, Map 7, site 4). K, dorsal, L, anterior, M, lateral view, N, anterior dorsal view of genal roll and brim perforations, O, dorsal view of brim perforations, P, lateral dorsal view of eye lobe and muscle impression areas at S0, S1, S2 and S3, and Q, lateral view of eye lobe. Scale bars shown represent 1 cm unless otherwise indicated.