Fig. 2 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. 2 Scanning electron micrographs of representatives of c monticelliine proteocephalideans. Chambriella megacephala (Woodland, 1934) ex Sorubimichthys planiceps (MHNG-PLAT 54608): A, B, Scoleces, dorsoventral and apical views, respectively; C, D, G, Microtriches on the apex of the scolex, external upper surface of the suckers and between suckers, respectively. Riggenbachiella amazonense n. sp. ex S. planiceps (MHNG-PLAT 54609): E, F, Scoleces, dorsoventral and apical views, respectively; H, K, L, Microtriches on the apex of the scolex, external upper surface of the suckers and between suckers, respectively. Riggenbachiella paranaense (Pavanelli & Rego, 1989) ex Hemisorubim platyrhynchos (MHNG-PLAT 36430): I, J, Scoleces, dorsoventral and apical views, respectively; M–O, Microtriches on the apex of the scolex, external upper surface of the suckers and between suckers, respectively. Scale-bars: A, B, E, F, I, J, 100 lm; C, D, G, H, K–O, 1 lm