Dugesia verrucula A sagittal section of holotype ZJYA5, showing the testes B transverse section of paratype ZJYA7, showing vasa deferentia and seminal vesicle C sagittal section of holotype ZJYA5, showing subterminal opening of ejaculatory duct at tip of penis papilla D sagittal section of holotype ZJYA5, showing dorsal bump and copulatory bursa E sagittal section of holotype ZJYA5, showing seminal vesicle, diaphragm in the ejaculatory duct, dorsal bump, and copulatory bursa F sagittal section of holotype ZJYA5, showing seminal vesicle, dorsal bump, and copulatory bursa G sagittal section of paratype ZJYA11, showing subterminal opening of ejaculatory duct and dorsal bump H sagittal section of paratype ZJYA11, showing gonopore, ejaculatory duct, and diaphragm. Abbreviations: bc: bursal canal; ca: common atrium; cb: copulatory bursa; d: diaphragm; db: dorsal bump; ed: ejaculatory duct; go: gonopore; lvd: left vas deferens; mo: mouth; pp: penis papilla; rvd: right vas deferens; sv: seminal vesicle; te: testis; vd: vas deferens. Scale bars: 100 μm.