FIG. 2. — Gieysztoria reta n in A new species of Gieysztoria Ruebush & Hayes, 1939 (Platyhelminthes, Rhabdocoela, Dalyelliidae) from Argentina with comments on geographical distribution of the genus in the Neotropical region

FIG. 2. — Gieysztoria reta n. sp.: A, C, D, specimens viewed under compound microscope: A, living specimen whole mount; B, fixed specimen viewed under a phase contrast light microscope; C, detail of seminal vesicle, prostate vesicle and additional glands; D, detail of stylet. Abbreviations: ag, accessory glands; cb, copulatory bursa; e, egg; ey, eye; f, fenestra; i, intestine; ph, pharynx; pp, prepharyngeal cavity; pv, prostate vesicle; st, stylet; sv, seminal vesicle; s1, largest spine; s2, large spine; s3, group of fine short spines; s4, group of shorter hollow spines; t, testes; ub, uterus bend; vi, vitellaria. Scale bars: A, B, 100 μm; C, 50 μm; D, 20 μm.