Orobdella ibukifukuyamai sp. nov., holotype, KUZ Z4031. A. Dorsal view of somites I–VIII; B. Ventral view of somites I–VIII; C. Dorsal view of somites XXIV–XXVII and caudal sucker; D. Ventral view of somites XXIV–XXVII and caudal sucker; E. Dorsal view of somite XVI; F. Ventral view of somites XI–XIII; G. Ventral view of gastropore and female gonopore. Scale bars: 2.5 mm (A, B, E); 5 mm (C, D, F); 0.5 mm (G).