A new species of Bythinella: B. walensae is described from Aria spring at Naxos Island, Greece. Cytochrome oxidase subunit I (COI) sequences of mtDNA, as well as internal transcribed spacer (ITS-1) of nuclear ribosomal DNA indicate distinctness of B. walensae. The shell, female reproductive organs and penis are described. The most characteristic of this species are: slender shell, narrow aperture, J-shaped bursa coupled with bulky and spherical receptaculum, and the length ratio of penis arms. Simple anatomy coupled with wide variation ranges overlapping between the species are emphasised.
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Isolation as a phylogeny-shaping factor: historical geology and cave habitats in the Mediterranean Truncatelloidea Gray, 1840 (Caenogastropoda) Artur Osikowski Folia Malacologica
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A new species of Bythinella Moquin-Tandon, 1856 (Gastropoda: Caenogastropoda: Bythinellidae) from south-western France Jean-Michel Bichain, Alain Bertrand Folia Malacologica
The North Asian Genus Kolhymamnicola Starobogatov and Budnikova 1976 (Gastropoda: Amnicolidae), Its Extended Diagnosis, Distribution, and Taxonomic Relationships Tatiana Sitnikova, Tatiana Peretolchina, Larisa Prozorova, Dmitry Sherbakov, Eugeny Babushkin, Maxim Vinarski Diversity
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