A new genus of polystomatid parasitic flatworm (Monogenea: Polystomatidae) without free-swimming life stage from the Malagasy poison frogs Author Du, Louis H. Author Raharivololoniaina, Liliane Author Verneau, Olivier Author Vences, Miguel text Zootaxa 2010 2722 54 68 journal article 46927 10.5281/zenodo.199915 4b94ca95-4d1c-43de-b66b-27f06ccda70a 1175-5326 199915 Madapolystoma n. g. Generic diagnosis: Polystomatinae: Small ovoid worm with pyriform body. Haptor with three pairs of suckers, two hamuli and 16 marginal hooklets placed as for other known polystomes (hooklets 1 & 2 situated between hamuli, hooklets 3 – 5 at the base of the haptoral suckers and hooklets 6–8 posterior between the third pair of suckers. Mouth subterminal, surrounded by false sucker. Pharynx medium in size and muscular. Gut bifurcate; intestinal caeca with few diverticula confluent in the haptoral region, no prehaptoral anastomoses. Genito-intestinal canal present. Testis single, small, post-ovarian, intercaecal and positioned posteriorly in the body. Vas deferens extending antero-medially to genital bulb armed with 8 genital spines. Ovary small, oval, median and placed in middle of body. Uterus tubular extending pre and post genital region and fill most of body. Two vaginae, anterolateral to ovary; left and right vaginal ducts. Advanced intra-uterine development of larvae with hamuli and up to two pairs of suckers in utero. Adult parasitic in urinary bladder. Type-species: Madapolystoma biritika n. g. & n. sp.