| harriscolex nathaliae n. sp. (cestoda: proteocephalidea) from pseudoplatystoma corruscans (siluriformes: pimelodidae) in the paraná river basin, argentina. | the proteocephalidean cestode harriscolex nathaliae n. sp. (proteocephalidae: zygobothriinae) is described from the intestine of the spotted sorubim pseudoplatystoma corruscans (spix and agassiz) (siluriformes: pimelodidae) from the paraná river basin in argentina. this new species differs from the only species of the genus, harriscolex kaparari (woodland, 1935), which is a parasite of pseudoplatystoma tigrinum (linnaeus) from the amazon river in brazil, by its larger scolex (width of 450-750 μm ... | 2013 | 23146094 |