FIGURES 43–52 in Characithecium (Monogenoidea: Dactylogyridae) parasitic on the Neotropical fish Oligosarcus jenynsii (Teleostei: Characidae) from the Pampasic region, Argentina, with the emendation of the genus

FIGURES 43–52. Male genital complex (MGC) and haptor armature of 5 species of Characithecium. 43–44. C. chascomusensis n. comb. 43. MGC, ventral view. 44. haptor, ventral view. 45–46.C. longianchoratum n. sp. 45. MGC, dorsal view. 46. haptor, ventral view. 47–48. C. robustum n. sp. 47. MGC, dorsal view. 48. haptor, ventral view. 49–50. C. quadratum n. sp. 49. MGO, dorsal view. 50. haptor, ventral view. 51–52.C. chelatum n. sp. 51. MGC, dorsal view. 52. haptor, ventral view. Scale bars: 43, 45, 47, 49, 51 = 10 µm; 44, 46, 48, 50, 52 = 20 µm.