| new species of plagioporus stafford, 1904 (digenea: opecoelidae) from california, with an amendment of the genus and a phylogeny of freshwater plagioporines of the holarctic. | plagioporus hageli n. sp. is described from the intestine of oncorhynchus mykiss (walbaum) collected from the river yuba, california, usa. of the accepted, nominal species of plagioporus stafford, 1904 from the nearctic, the new species is morphologically similar to three intestinal species from the western usa parasitising diadromous fishes, including plagioporus shawi (mcintosh, 1939), plagioporus kolipinskii tracey, choudhury, cheng & ghosh, 2009 and plagioporus siliculus sinitsin, 1931, and ... | 2016 | 27638729 |