Limnaea peregrina Clessin, 1882, Synonym of Lymnaea columella Say, 1817 (Gastropoda: Lymnaeidae)

Abstract

A description is given of the shell , radula, renal region, reproductive system and egg capsule of topotypic specimens of Limnaea peregrina Clessim 1882. This investigation intends contributing to define the especific identity of that nominal species . A close anatomical comparison with Limnaea columella Say, 1817 from Michigan, USA, shows that both forms are indistinguishable , giving support to previous inferences from some authors. Data on egg hatching are present.