Species Diversity
Online ISSN : 2189-7301
Print ISSN : 1342-1670
Description of a New Talitrid Genus, Ezotinorchestia with a Redescription of E. solifuga (Iwasa, 1939) comb. nov. (Crustacea: Amphipoda: Talitridae)
Hiroshi MorinoHisashi Miyamoto
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2016 年 21 巻 1 号 p. 65-70

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Ezotinorchestia gen. nov. is established to receive Orchestia solifuga Iwasa, 1939. The new genus is defined by an elongate antenna 1 (reaching the mid-point of peduncular article 5 of antenna 2), a 4-dentate lacinia of the left mandible, a mediodistally lobate article 2 and reduced article 4 of the maxillipedal palp, a deeply subchelate male gnathopod 1, the short palm of female gnathopod 1, cuspidactylate pereopods, well-developed pleopods, and the outer ramus of uropod 1 with robust setae. This genus is distinguished from Kokuborchestia Morino and Miyamoto, 2015 by the sexually dimorphic gnathopod 1 and the lack of dense, plumose setae on the pleopodal peduncles.

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© 2016 The Japanese Society of Systematic Zoology
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