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The Notomyotida are an order of sea stars containing at least 75 species in eight genera of the monotypic family, Benthopectinidae. These asteroids are deep-sea dwelling and have flexible arms. The inner dorso-lateral surface of the arms contain characteristic longitudinal muscle bands. ==Taxonomy== * Family Benthopectinidae Verrill, 1894 * * genus ''Acontiaster'' Döderlein, 1921 * * genus ''Benthopecten'' Verrill, 1884 * * genus ''Cheiraster'' Studer, 1883 * * genus ''Gaussaster'' Ludwig, 1910 * * genus ''Myonotus'' Fisher, 1911 * * genus ''Nearchaster'' Fisher, 1911 * * genus ''Pectinaster'' Perrier, 1885 * * genus ''Pontaster'' Sladen, 1885 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「Notomyotida」の詳細全文を読む スポンサード リンク
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