Orobdella okanoi sp. n., holotype, KUZ Z1671. A dorsal view of reproductive system including ventral nervous system; B dorsal (including positions of ganglia XI and XII), C lateral, D ventral views of male atrium; E dorsal view of female reproductive system including position of ganglion XIII. Scale bars: A = 3 mm; B–E = 0.5 mm.

  Part of: Nakano T (2016) Four new species of the genus Orobdella from Shikoku and Awajishima island, Japan (Hirudinida, Arhynchobdellida, Orobdellidae). Zoosystematics and Evolution 92(1): 79-102. https://doi.org/10.3897/zse.91.7616