Fig. 3 in Untangling convoluted taxonomy of Chambriella Rego, Chubb & Pavanelli, 1999 (Cestoda: Proteocephalidae), with erection of Riggenbachiella n. g. and the description of a new species from pimelodid catfishes in the Neotropical Region

Fig. 3 Chambriella megacephala (Woodland, 1934) ex Zungaro jahu. A, Scolex, apical view (paratype of C. agostinhoi, CHIOC 32820c); B, Terminal genitalia, ventral view (holotype of C. agostinhoi, CHIOC 32820a); C, Terminal genitalia, dorsal view (MHNH- PLAT 22025); D, E, Cross-sections at anterior and cirrus-sac level of proglottides, respectively (MHNH-PLAT 19546); F, Eggs drawn in distilled water (MHNH-PLAT 20768). Abbreviations: al, anterior sucker loculus; ci, cirrus; cs, cirrus-sac; do, dorsal osmoregulatory canal; ed, ejaculatory duct; em, bi-layered embryophore; lm, internal longitudinal musculature; oe, outer envelope; on, oncosphere; pl, posterior sucker loculus; st, subtegumental muscle fibres; su, subtegumental cells; te, testes; tg, tegument; ut, uterus; va, vas deferens; vi, vitelline follicles; vo, ventral osmoregulatory canal; vs, vaginal sphincter. Scale-bars: A, D, E, 200 lm; B, C, 100 lm; F, 20 lm