The helminths recovered from seventy one specimens of Nectomys squamipes, from "Município de Sumidouro", Rio de Janeiro State, are analyzed in conformity to their quantitative and qualitative features. It was possible to study seven species as follows: Pseudechinostomum caballeroi, Raillietina sp., Hassalstrongylus epsilon, Syphacia venteli, Aspidodera raillieti, Physaloptera getula and Litomosoides carinii.