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Figure 11
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The mouth of a Gastropod, including the radula structure. e= Oesophagus, m= mouth opening, mx=jaw, o=radula gristle (Odontophore), op= Odontophor extension muscle, r= radula, rp= radula extension muscle, rr= radula retractor muscle (Nordsieck, R. ,2015)
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Figure 9
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Figure 10
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Figure 11
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