neopolystoma fentoni n. sp. (monogenea: polystomatidae) a parasite of the conjunctival sac of freshwater turtles in costa rica.neopolystoma fentoni n. sp. is described from the conjunctival sac of kinosternon leucostomum (duméril, bibron, and duméril 1851) and rhinoclemmys pulcherrima (gray 1855) from the guanacaste conservation area in costa rica. the new species differs from all other species of neopolystoma, except n. elizabethae platt 2000 in possessing a circle of eight genital spines that are recurved and possess a crescent-shaped base. n. fentoni n. sp. differs from n. elizabethae in lacking cecal diverticula and ...200611080769
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