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Figure 2.Orobdella masaakikuroiwai sp. n., holotype, KUZ Z694. A Dorsal and B ventral views. Scale bar, 5 mm.
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Figure 3.Orobdella masaakikuroiwai sp. n., holotype, KUZ Z694. A Dorsal and B ventral views of somites I–VIII. C Dorsal and D ventral views of somites XXV–XXVII and caudal sucker. E Ventral view of somites X–XIII. F Ventral view of gastropore and female gonopore. G Ventral view of gastroporal duct. Scale bars, 1 mm (E), 0.5 mm (A–D, G) and 0.25 mm (F). Abbreviations: af, annular furrow; an, anus; cl, clitellum; cp, crop; fg, female gonopore; gd, gastroporal duct; gp, gastropore; mg, male gonopore; np, nephridiopore; and ph, pharynx.
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Figure 4.Orobdella masaakikuroiwai sp. n., holotype, KUZ Z694. A Dorsal view of reproductive system including ventral nervous system. B Dorsal, C lateral, and D ventral views of male atrium: B including position of ganglion XI. E Dorsal view of female reproductive system including position of ganglion III. Scale bars, 1 mm (A) and 0.25 mm (B–E). Abbreviations: ac, atrial cornua; at, atrium; cod, common oviduct; ed, ejaculatory duct; ep, epididymis; gp, gastropore; od, oviduct; ov, ovisac; and ts, testisacs.
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Figure 5.Orobdella masaakikuroiwai sp. n., paratype, KUZ Z690. A Dorsal view of live animal. B Live animal found curled up under a stone at the type locality: scale bar, 2 mm.
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Figure 1.Map showing the collection localities of the specimens examined in this study. Open circle (4) indicates the Orobdella masaakikuroiwai sp. n. type locality, and closed circles (1–3, 5–7) indicate additional localities.