Fig. 12

Dugesia tumida. Sagittal reconstruction of the copulatory apparatus of holotype YLKB5. Scale bar: 100 μm. Abbreviations: bc, bursal canal; cb, copulatory bursa; cg, cement glands; cpg, cyanophil penis glands; d, diaphragm; ed, ejaculatory duct; epg, erythrophil penis glands; go, gonopore; od, oviduct; pp, penis papilla; pv, penial valve; sg, shell glands; sv, seminal vesicle; vd, vas deferens