PLATE 51. A–L Helioharpes retiarius n in Devonian Harpetidae from the central and eastern Anti-Atlas, Morocco

PLATE 51. A–L Helioharpes retiarius n. sp., El Otfal Formation, upper Eifelian, Ottara. A–G dorsal exoskeleton of cephalon only, holotype, NHMUK It 29368 (Fig. 2B, Map 14, site 2). A, dorsal, B, anterior and C, lateral view. Dorsal view of brim perforations: E, F and G lateral view of eye lobe. H–L dorsal exoskeleton of cephalon only, paratype, NHMUK it 29369 (Fig. 2B, Map 14, site 3). I, dorsal, J, lateral and K, anterior view. L, dorsal view of brim perforations. Scale bars shown represent 1 cm unless otherwise indicated.