Figure 2 in Morphology of the mouthparts and digestive system in two species of Uristidae Hurley, 1963 (Amphipoda: Lysianassoidea)

Figure 2. SEM images of mandibles of Anonyx nugax (a–e) and Tmetonyx cicada (f–k). (a) Mandibles in situ in ventral view (maxillipeds, maxillulae and maxillae removed). Note that the left incisor has proximally two teeth, while the right incisor only one. (b) Left mandible in oral view. Arrow points to the lacinia mobilis. (c) Right mandible in medial view. (d) Molar and setal row of the left mandible. (e) Cutting edge of the incisor and the lacinia mobilis (lm) of the left mandible. (f) Mandibles in situ in ventral view (maxillipeds, maxillulae and maxillae removed). (g) Right mandible in oral view. (h) Incisor and the setal row of the right mandible. (i) Mouth region showing the incisors and lacinia mobilis (arrowhead) on the left mandible. (j) Incisor of the left mandible. (k) Triturative surface of the molar of the left mandible. Arrowheads show crater-like structures. Abbreviations: ar – apical setae in mandibular setal row; hl – hinge line; in – incisor; lb – labrum; lm – lacinia mobilis; md pl – mandibular palp; mk – articulating knob of mandible; mmr – median ridge on molar process; mo – molar; sr – setal row; ti – medial teeth of incisor. Scale bars: A, B: 1 mm; C, D, F, G: 500 µm; E, H, J: 100 µm; I: 200 µm; K: 30 µm.