Figure 9
Cephalic segments and appendages of Arthroaspis bergstroemi n. gen. n. sp. A. MGUH 30412, cephalon and anterior part of thorax; impressions of postantennular limbs, of which three are associated with the cephalon (ventral aspect, light from NE; a cephalon of Buenellus higginsi is superimposed on the axis at the cephalothoracic boundary); B. MGUH 30397, cephalon and anterior thoracic region showing midgut-structures axially and impressions of the exopods abaxially (arrows; dorsal aspect); C. MGUH 30398, fragmentary cephalon, showing impressions of exopod lamellae of the cephalic appendages (dorsal aspect).