Leech-bryozoan association from a floodplain lake in Lena River basin, Yakutia, Eastern Siberia, Russia. A Leeches Alboglossiphonia cf. papillosa in interstitial spaces between zooids of a Plumatella aff. fungosa colony (ethanol-preserved sample). The red arrows indicate leech specimens. B Size frequency histogram of the leech sample (N = 25). C Dorsal and D Ventral view of adult leech. Photographs Svetlana E. Sokolova. Scale bars: 5 mm (A); 1 mm (C, D).

 
 
  Part of: Klass AL, Sokolova SE, Kondakov AV, Bespalaya YV, Gofarov MY, Tomilova AA, Vikhrev IV, Bolotov IN (2018) An example of a possible leech-bryozoan association in freshwater. ZooKeys 794: 23-30. https://doi.org/10.3897/zookeys.794.28088