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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 95, No. 6, 2000, pp. 833-838
Bioline Code: oc00133
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 95, No. 6, 2000, pp. 833-838

 en Neopolystoma fentoni n. sp. (Monogenea: Polystomatidae) a Parasite of the Conjunctival Sac of Freshwater Turtles in Costa Rica
Thomas R Platt


Neopolystoma fentoni n. sp. is described from the conjunctival sac of Kinosternon leucostomum (Dumril, Bibron, and Dumril 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 in a number of morphometric criteria.

Monogenea, freshwater turtle parasite, Neopolystoma, conjunctival sac, Costa Rica

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