| a new species of polystomoides ward, 1917 (monogenea: polystomatidae) from freshwater chelonians (testudines: chelidae) in brazil. | this report describes the first occurrence of polystomoides brasiliensis n. sp. (monogenea: polystomatidae), a new monogenean species in the buccal and pharyngeal cavities of the freshwater turtles in brazil. live monogeneans were collected from hydromedusa maximiliani and phrynops geoffroanus at the mariano procópio museum's lake, in juiz de fora, minas gerais, brazil. polystomoides brasiliensis differs from all other species of this genus in having 8-9 genital spines, except for polystomoides ... | 2008 | 18605799 |