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New Records Of Semiaquatic Species Marionina (Clitellata, Enchytraeidae) From Japan, With A Description Of Marionina Biwaensis Sp. Nov., Takaaki Torii
New Records Of Semiaquatic Species Marionina (Clitellata, Enchytraeidae) From Japan, With A Description Of Marionina Biwaensis Sp. Nov., Takaaki Torii
Turkish Journal of Zoology
Marionina biwaensis sp. nov. is described from Lake Biwa. This new species differs from all other Marionina species: lacking lateral chaetae completely and ventral chaetae in II, segment number 38-43, origin of dorsal blood vessel XV or XVI, spermathecal ampullae with irregular protuberances and chaetal distribution 1 per postclitellar bundles. In addition, the descriptions of M. coatesae, M. nevisensis, and M. riparia are augmented and recorded here for the first time in Japan.