...However, there are no septa separating the cells. Because the body is multinucleated and tubular, it is often classified in the order Dictyosiphonales (or Polytrichum commune) along with marine green algae such as Dictyosiphona and Dictyosiphona arborescens, but some scholars have established the order Dictyosiphonales, emphasizing its characteristics of sexual reproduction by eggs and sperm, and the presence of chlorophyll-free leucocytes in addition to chloroplasts (Feldmann J.Feldmann, 1954). The Dictyosiphonales genus consists of one species, and is found in Okinawa, Switzerland, eastern France, Lake Ontario in Canada, and in the US states of Michigan, Texas, and Wisconsin. *Some of the terminology explanations that mention "Dictyosiphonales" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…しかし細胞を仕切る隔壁はない。体が多核管状であることから,海産緑藻のミルやイワヅタなどとともにミル目(またはクダモ目)に分類する場合が多いが,卵と精子による有性生殖を行うこと,葉緑体のほかにクロロフィルを含まない白色体をもつことなどの特徴を重視して,チョウチンミドロ目Dictyosiphonalesを設立する学者もある(フェルドマンJ.Feldmann,1954)。チョウチンミドロ属は1属1種で,沖縄のほかにスイス,フランス東部,カナダのオンタリオ湖,アメリカのミシガン,テキサス,ウィスコンシンなどの州に分布する。… ※「Dictyosiphonales」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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