FIGURE 1 in Six new species of Heteropriapulus (Monogenea: Dactylogyridae) from South American fishes with an amended diagnosis to the genus

FIGURE 1. Scheme of measurements for the sclerotized structures of the haptor and reproductive organs of Heteropriapulus spp.: 1, anchor total length; 2, anchor length to notch; 3, superficial root length (in ventral anchors of Heteropriapulus spp. without basal roots; this measurement represents the ventral anchor base width); 4, deep root length; 5, point length; 6, hook length; 7, ventral bar length; 8, ventral bar width; 9, ventral bar height; 10, dorsal bar length; 11, dorsal bar width; 12, dorsal bar height; 13, width of medial process of dorsal bar; 14, accessory piece length; 15, total curve length of cirrus; 16, vagina length; 17, vagina total curve length; 18, egg length; 19, egg width.