Publications by authors named "Toshiya Shimizu"
A new combination and a new species of onchobothriid tapeworm are described from triakid sharks. We found Platybothrium xiamenensis Wang & Yang, 2001 and Erudituncus musteli (Yamaguti, 1952) from Hemitriakis japanica (Müller & Henle). Based on the morphology of the hooks P.
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- * The new species exhibits irregular diverticula in its intestinal caeca, whereas the related species C. inermis has a smooth intestine and different vaginal openings.
- * Phylogenetic analysis indicates that C. japonica is closely related to other Calicotyle species that infect sharks, leading to the conclusion that the loss of certain features in these parasites occurred relatively recently in their evolutionary history.