| polystomatidae (monogenea) of southern african anura: eupolystoma vanasi n. sp. parasitic in schismaderma carens (smith). | eupolystoma vanasi is described as a new species of the polystomatidae parasitic in the urinary bladder of schismaderma carens in northern province and kwazulu-natal province, south africa. this is the third eupolystoma species described from africa and the first polystomatid from schismaderma, an anuran genus that is primitive with respect to the other african bufonids in which eupolystoma has been recorded. the species is distinguished by body size (this is the largest eupolystoma known; mean ... | 2003 | 12567011 |