Abstract
A description is given of the shell, renal organ, reproductive system and radula of topotypic specimens of Lymnaea cousini Jousseaume, 1887. A diagnosis between it and four other lymnaeids which also occur in South America and were previously studied by the author (L. columella, L. diaphana, L. viatrix and L. rupestris) is presented.
Lymnaea cousini; Lymnaea columella; Lymnaea diaphana; Lymnaea viatrix; Lymnaea rupestris; morphology; taxonomy; Ecuador
Lymnaea cousini Jousseaume, 1887, from Ecuador (Gastropoda: Lymnaeidae)
W. Lobato Paraense1
Instituto Oswaldo Cruz, Departamento de Malacologia, Rio de Janeiro, Brasil
A description is given of the shell, renal organ, reproductive system and radula of topotypic specimens of Lymnaea cousini Jousseaume, 1887. A diagnosis between it and four other lymnaeids which also occur in South America and were previously studied by the author (L. columella, L. diaphana, L. viatrix and L. rupestris) is presented.
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Publication Dates
-
Publication in this collection
01 June 2009 -
Date of issue
Oct 1995
