Mouthpart Morphology of Three Sympatric Native and Nonnative Gammaridean Species: <i>Gammarus pulex</i>, <i>G. fossarum</i>, and <i>Echinogammarus berilloni</i> (Crustacea: Amphipoda)

<table>SEM images of mandibles of <i>Gammarus pulex</i>: (a) ventral view of head with exposed mandibles; maxillulae, maxillae, maxillipeds, and gnathopods removed; (b) coxa of mandibles <i>in situ </i>in posterior view; (c) coxa of left mandible in anterior view; (d) coxa of right mandible in anterior view; (e) molar of right mandible in median view; rectangle indicates close-up image in (f); (f) closeup of molar surface of right mandible in median view (cf. (e)). Abbreviations other than in previous figures: ant: antenna; gbs: gnathobasic seta; gnp1: first gnathopod; ip: incisor process; lm: lacinia mobilis; mp: molar process; sr: setal row.</table>

International Journal of Zoology

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Figure 14

Figure 14: Mouthpart Morphology of Three Sympatric Native and Nonnative Gammaridean Species: <i>Gammarus pulex</i>, <i>G. fossarum</i>, and <i>Echinogammarus berilloni</i> (Crustacea: Amphipoda) 

Figure 14 | Mouthpart Morphology of Three Sympatric Native and Nonnative Gammaridean Species: Gammarus pulex, G. fossarum, and Echinogammarus berilloni (Crustacea: Amphipoda) 