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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Leptasterias hexactis ： ウィキペディア英語版 Leptasterias hexactis ''Leptasterias hexactis'' is a species of starfish in the family Asteriidae, commonly known as the six-rayed star. It is found in the intertidal zone of the western seaboard of the United States. It is a predator and is unusual among starfish in that it broods its eggs and young. ==Taxonomy== ''Leptasterias hexactis'' forms part of a species complex. Over the years, various authorities have discussed the phylogenetic relationships of ''L. epichlora'', ''L. aequalis'' and ''L. hexactis'', all species of ''Leptasterias'' found in the north west Pacific Ocean. The authorities were Bush (1918), Fisher (1930), Chia (1966), Kwast (1990) and Stickle (1992). More recent morphological and behavioural studies have resulted, according to the World Register of Marine Species (WoRMS) in the retention of a single species, ''L. hexactis'', with the other two being considered synonyms.〔 WoRMS now recognizes three subspecies, ''L. hexactis hexactis'' (Stimpson, 1862) ''L. hexactis occidentalis'' Djakonov, 1938 and ''L. hexactis vancouveri'' (Perrier, 1875).〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Leptasterias hexactis」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.