FIGURES 6–8 in Towards resolving the problematic status of the digenean genus Astiotrema Looss 1900: An updated concept and revision of species composition for Astiotrema (sensu stricto)

FIGURES 6–8. Intra-specific variations observed in Astiotrema impletum (Looss, 1899) Looss, 1900. 6. A. impletum (Syn. Astiotrema varanum [Verma, 1930] Mukherjee & Ghosh, 1970), dorsal view, redrawn from Verma (1930, fig. B). 7. A. impletum, dorsal view, redrawn from El-Naffar et al. (1984, fig. 2a). 8. A. impletum (Syn. Astiotrema sudarshani Mukherjee & Ghosh, 1970), ventral view, redrawn from Mukherjee & Ghosh (1970, fig. 1). Abbreviations: AT, anterior testis; Ce, cecum; CP, cirrus-pouch; EA, excretory arm; EP, excretory pore; Es, esophagus; EV, excretory vesicle; GP, genital pore; OS, oral sucker; Ov, ovary; Ph, pharynx; PP, pars prostatica; PT, posterior testis; SR, seminal receptacle; SV, seminal vesicle; Ut, uterus; VF, vitelline follicle; VS, ventral sucker. Scale bars: Fig. 6 = 500 µm; Fig. 7 = 1,000 µm; Fig. 8 = 500 µm.