• Journal of Species Research
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• v.5 no.3
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• pp.385-392
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• 2016

A new species of Tanaidacea is described from the eastern coast of Korea, under the name of Apseudomorpha magna in the family Metapseudidae. The new species can be distinguished from its congeners by the following combination of characters: pleonites 2 and 5 and pleotelson have a large lateral seta; pleopods are biramous, in five pairs, each bearing a two-segmented exopod and a single-segmented endopod; the maxillular palp is two-segmented, with five setae on its distal segment; the pleotelson has a large seta on each anterolateral process; and the mandibular palp has 2, 7, and 13 setae on the first to third segments, respectively.