Dugesia verrucula Sagittal reconstruction of the copulatory apparatus of holotype ZJYA5. Abbreviations: bc: bursal canal; cb: copulatory bursa; cg: cement glands; d: diaphragm; db: dorsal bump; ed: ejaculatory duct; go: gonopore; lod: left oviduct; mo: mouth; pg: penial glands; ph: pharynx; pp: penis papilla; rod: right oviduct; sg: shell glands; sv: seminal vesicle; vd: vas deferens. Scale bar: 100 μm.