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Daudebardia brecipes Fer (A). Shell of Daudebardia rufa Pfr., S. Germany(B)
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Parmacella valenciensii W. and R (A). shell of the same (A')
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Anostoma globulosum Lam., Brazil.
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Testacella haliotidea Drap., protruding its pharynx (ph) and radula (r); oe, oesophagua; p.o. pulmonary orifice; sh, shell; t, tentacles.
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Limax maximus L.; PO, pulmonary orifice.
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Ariophanta rumphii v.d.B., Java.
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Geomalacus maculosus Allm., S. Ireland; P.O., pulmonary orifice.
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