FIG. 4 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. 4. — Graphic reconstruction of the genital system of Gieysztoria reta n. sp.: A, genital reconstruction using confocal microscopy images; B, penis stylet from the holotype, blue (s1), pink (s2), yellow (s3) and green (s4). Abbreviations: ag, accessory glands; b1, copulatory bursa cavity 1; b2, copulatory bursa cavity 2; c, cilia; cga, common genital atrium; cma, circular muscle fibers of common genital atrium; cmb1, circular muscles of the bursa cavity 1; cmb2, circular muscles of bursa cavity 2; e, egg; ed, ejaculatory duct; f, fenestra; gp, gonopore; ma, male genital atrium; lma, longitudinal muscles fibers of common genital atrium; lmb2, longitudinal muscle of bursa cavity 2; ov, ovary; pv, prostate vesicle; sfb1, strong muscle fiber of bursa cavity 1; scm, muscle fibers of gonopore sphincter; sv, seminal vesicle; s1, largest spine; s2, large spine; s3, group of fine short spines; s4, group of hollow spines; t, testes; ub, uterus bend; vd, vasa deferentia; vi, vitellaria. Scale bars: A, 50 μm; B, 20 μm.