Figure 3 in The taxonomic utility of the male upper lip morphology in the ostracod genus Parapolycope (Crustacea), with descriptions of two new species

Figure 3. Scanning electron micrographs of valves of internal lateral views of valve in Parapolycope psittacina sp. nov., male paratype (SUM-CO-2068). (A) Anterior part of marginal infold; (B) anterodorsal bar and groove; (C) socket at dorsal end of hinge structure; (D) posterodorsal bar of hinge structure; (E) posterior element of hinge structure; (F) posteroventral groove; (G) anterior part of marginal infold; (H) anterodorsal bar; (I) knob at dorsal end of hinge structure; (J) posterodorsal bar of hinge structure; (K) posterior element of hinge structure; (L) posteroventral bar.