Figure 4 from: Nakano T (2012) A new species of Orobdella (Hirudinida, Arhynchobdellida, Gastrostomobdellidae) and redescription of O. kawakatsuorum from Hokkaido, Japan with the phylogenetic position of the new species. ZooKeys 169: 9-30. https://doi.org/10.3897/zookeys.169.2425

Figure 4 - Orobdella koikei sp. n., holotype, KUZ Z156 A Dorsal view of reproductive system including ventral nervous system B dorsal view of male atrium C lateral view of male atrium D ventral view of male atrium; and E dorsal view of female reproductive system including position of ganglion XIII. Scale bars, 1mm (A) and 0.25 mm (B–E). Abbreviations: ac, atrial cornu; at, atrium; cod, common oviduct; ed, ejaculatory duct; ep, epididymis; gp, gastropore; o, ovisac; od, oviduct; and ts, testisac.