Figure 20 in Integrative taxonomy, larval biology and functional morphology of the little known gall-forming coral endoparasite Petrarca (Thecostraca: Ascothoracida)

Figure 20. Petrarca rubus sp. nov., holotype, antennules and mouthparts. A, left antennule, segments numbered. B, C, terminal (fifth) segments of left and right antennules, respectively. D, rudimentary seta on fourth antennular segment. E, labrum with mouth structures, lateral view. F, mandible. G, cutting edge of mandible. H, maxillule. I, distal ends of maxillae. Abbreviations: ae, aesthetasc; cl, claw; clg, claw guard; ml, medial languette; mo, mouth opening; oe, oesophagus. Scale bars in µm.