Species of the Genus Kamaka (Crustacea: Amphipoda: Kamakidae) from Japan : Kamaka biwae and K. morinoi sp. nov.

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概要

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• Two species of the genus Kamaka (Crustacea: Amphipoda: Kamakidae) are described from Japan. Kamaka biwae Ueno, 1943 occurred only in Lake Biwa, Shiga Prefecture, and the morphological characters and coloration of the present material agree with Ueno's description except for the shape of coxa 5. Kamaka morinoi sp. nov. was collected from brackish and freshwater areas in Miyagi, Fukushima, Ibaraki, Tottori, and Shimane Prefectures. Its morphological features closely resemble those of K. biwae, but K. morinoi can be distinguished from K. biwae by the following points: (1) higher numbers of plumose setae on the posterior margins of pereopods 5-7, (2) smaller maximal body length, and (3) male coloration (especially in coxa 1). The distributions of the two species suggest that K. biwae speciated from K. morinoi or that they share a common ancestor.

• 日本動物分類学会の論文
• 2007-06-30

著者

• ARIYAMA Hiroyuki

  Osaka Prefectural Fisheries Experimental Station

• Ariyama Hiroyuki

  Osaka Prefectural Government Osaka Jpn

関連論文

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• Species of the Genus Kamaka (Crustacea: Amphipoda: Kamakidae) from Japan : Kamaka biwae and K. morinoi sp. nov.
• Paragrandidierella minima, a New Genus and Species of Aoridae (Crustacea : Amphipoda) from Osaka Bay, Central Japan

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