Published online by Cambridge University Press: 06 April 2009
The specimens herein described were obtained from the gills of Somniosus microcephalus Block, at Excursion Inlet, Alaska, in 1909. This shark is also the host of Onchocotyle borealis, the species most closely resembling the new species, and is known in European waters as the Greenland Shark. To quote Goode: “This species, also called by our fishermen the ‘Gurry’ or ‘Ground’ Shark, is a native of the Arctic Seas, but on our coast ranges south to Cape Cod, and in the Eastern Atlantic at least to England, while in the Pacific it has been observed from Puget Sound northward.”