PLATE 52. A–L Helioharpes retiarius n in Devonian Harpetidae from the central and eastern Anti-Atlas, Morocco

PLATE 52. A–L Helioharpes retiarius n. sp., El Otfal Formation, upper Eifelian, Ottara. A–F dorsal exoskeleton of a partial cephalon only, paratype, NHMUK It 29367 (Fig. 2B, Map 14, site 1). A, dorsal, B, anterior and C, lateral view. D, antero-dorsal view of genal roll and brim perforations. Dorsal view of E, brim perforations and F, perforations on genal area. G–L dorsal exoskeleton of cephalon only, paratype, NHMUK It 29370 (Fig. 2B, Map 14, site 11). G, dorsal, H, anterior and I, lateral view. J and K, lateral view of eye lobes and L, dorsal view of brim perforations. Scale bars shown represent 1 cm unless otherwise indicated.