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 maxillipeds and paragnaths of <i>Echinogammarus berilloni</i>: (a) maxillipeds in posterior view <i>in situ</i>; (b) maxillipeds in anterior view; (c) distal setation of endite of left basipod in anterior view (cf. eb in (b)); (d) median setation of endite of right ischium in posterior view (cf. ei in (a)); (e) paragnaths in posterior view demonstrating also the position against labrum and mandibles <i>in situ</i>; (f) paragnaths in anterior view. Abbreviations other than in previous figures: lbr: labrum; md: mandible.</table>

International Journal of Zoology

fig7

Figure 7

Figure 7: 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 7 | Mouthpart Morphology of Three Sympatric Native and Nonnative Gammaridean Species: Gammarus pulex, G. fossarum, and Echinogammarus berilloni (Crustacea: Amphipoda) 