FIGURES 19–22 in Updated keys to the genera in the subfamilies of Cyclocoelidae Stossich, 1902, including a reconsideration of species assignments, species keys and the proposal of a new genus in Szidatitreminae Dronen, 2007

FIGURES 19–22. Diagrammatic representations of species representing the genera assigned to Skrjabinocoelinae Dronen, 2007 and Szidatitreminae Dronen, 2007. 19. Skrjabinocoelum Kurashvili, 1953 represented by Skrjabinocoelum petrowi Kurashvili, 1953, adapted from Kurashvili (1953) and Yamaguti (1971); 20. Pseudoszidatitrema n. gen. represented by Pseudoszidatitrema sinica (Zhang, Yang & Li, 1987) n. comb. (Syn. Szidatitrema sinica Zhang, Yang & Li, 1987), adapted from Zhang et al. (1987); 21. Szidatitrema Yamaguti, 1971 represented by Szidatitrema yamagutii Dronen, Craig & Hammond, 2006, adapted from Dronen et al. (2006c); 22. Contracoelum Witenberg, 1926 represented by Contracoelum skrjabinianum Witenberg, 1926, adapted from Witenberg (1926). Abbreviations: C, cecum; G, genital pore; O, ovary; P, pharynx; T, testis; U, uterus; V, vitelline field.