FIGURES 12–14 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 12–14. Astiotrema ranarum (Mehra & Negi, 1926) Fotedar, 1971 revealing some slight intra-specific variations. 12. A. ranarum (Syn. Centrovitus pentadelphi Bhalerao, 1926), dorsal view, redrawn from Bhalerao (1926, fig. 1). 13. A. ranarum (Syn. Tremiorchis ranarum Mehra & Negi, 1926), dorsal view, redrawn from Mehra & Negi (1926, fig. 2). 14. A. ranarum (Syn. Tremiorchis mehrai Rai, 1962), dorsal view, redrawn from Rai (1962, p. 382). Abbreviations: AT, anterior testis; Ce, cecum; Ci, cirrus; CP, cirrus-pouch; ED, ejaculatory duct; EP, excretory pore; Es, esophagus; EV, excretory vesicle; GP, genital pore; MG, Mehlis' gland; OS, oral sucker; Ov, ovary; Ph, pharynx; PP, pars prostatica; PT, posterior testis; SR, seminal receptacle; SV, seminal vesicle; Ut, uterus; VD, vitelline duct; VF, vitelline follicle; VR, vitelline reservoir; VS, ventral sucker. Scale bars: Fig. 12 = 500 µm; Fig. 13 = 500 µm; Fig. 14 = 500 µm.