• Animal Systematics, Evolution and Diversity
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• v.19 no.1
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• pp.103-109
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• 2003

Presynaptiphilus poraminutus is described as a new species in association with the ophiuroid Ampioplus ancistrotus (H. L. Clark) collected from an intertidal sand beach in the Yellow Sea. The new species is closely related to P. minutus in having the identical leg structure, but may be differentiated from the latter by the larger body, the longer genital double-somite and caudal rami, and the shorter pre-anal semite.