1. A contribution to the phylogeny and biogeography of the fresh-water triclads (Platyhelminthes: Turbellaria);Ball,1974
2. Two new cotylean genera of polyclads from Japan and remarks on some other cotyleans;Bock;Ark. Zool.,1922
3. Ultrastructural studies of differentiation in the oocyte of the polyclad turbellarian, Prostheceraeus floridanus;Boyer;J. Morphol.,1972
4. Ultrastructure of germaria and vitellaria in Dugesia sicula Lepori, 1948 (Platyhelminthes, Tricladida, Paludicola);Charni;Belg. J. Zool.,2010
5. Electron microscopical and cytochemical study of eggshell globules in Notoplana alcinoi (Turbellaria, Polycladida);Domenici;J. Submicrosc. Cytol.,1975