FIGURE 11 in A review of the genus Eclipidrilus (Annelida: Clitellata: Lumbriculidae), with description of a new species from western North America

FIGURE 11. Eclipidrilus frigidus (A, Rainy Day Creek, Idaho), (B­C, I, Upper Butt Valley Creek, California), (D­E, Jackass Creek, California), (F, H, North Fork Stanislaus River, California), (G, Little Gallagher Creek, Idaho). A—anterior segments of a whole worm, showing lateral papilla at 10/11. B—ventral view of a cleared, mature whole mount, showing coiled penes extruded through the male pores. C—partially protruded penis of a mature whole mount, showing outer muscle layer and coiled lumen. D­E—partially mature worms; ectal ends of atrial ducts (outer muscle coat not shown), showing partial development of the penial sac from an undifferentiated male duct. F—a mature worm, showing the partially protruded penis within the penial sac. G­H—spermathecae of mature worms, from dissections. I—spermatheca of partially mature worm, with well­developed duct. Abbreviations: de—spermathecal duct expansion; ef—epidermal fold; mp—male pore; pepenis; pp—penial papilla; ps—penial sac; sa—spermathecal ampulla. Scale bars 1 mm (A), 100 µm (B­I).