Orobdella nakahamai sp. n., holotype, KUZ Z1672. A ventral view of gastroporal duct; B dorsal view of reproductive system including ventral nervous system; C dorsal (including positions of ganglia XI and XII), D lateral, E ventral views of male atrium; F dorsal view of female reproductive system including position of ganglion XIII. Scale bars: A = 3 mm; B = 1 cm; C–F = 1 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