Cestóides proteocefalídeos de "cachara", Pseudoplatystoma fasciatus (L. ) (Pisces, Pimelodidae) de Mato Grosso / Proteocephalid cestodes from Pseudoplatystoma fasciatus (L. ) (Pisces, Pimelodidae) from Mato Grosso State, Brazil

The author describes three species of protcocephalid cestodes from the Pimelodid fish, Pseudoplatystoma fasciatus (L.) from rivers of Mato Grosso, Brazil: Nomimoscolex lopesi sp. n., Peltidocotyle rugosa Diesing, 1850 and Spatulifer rugosa (Woodland, 1935). P. rugosa is for the first time referred in this fish species. One hyperparasite nematode specimen was found in a strobila of S. rugosa.