... Phascolosoma scolops are closely related to the annelid polychaetes and worms in the phylum Echinoidea, but their major characteristics include the lack of body segments, the presence of distinctive tentacles, an anus that opens forward, and the lack of a vascular system. In Japan, Phascolosoma scolops , Golfingia ikedai , Sipunculus nudus (illustration), and Siphonosoma cumanense are commonly seen. They are often used as fishing bait in Hiroshima, Aichi, Kochi, and other prefectures. ... *Some of the terminology that mentions "Sipunculus nudus" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… ホシムシ類は発生の特徴から環形動物の多毛類やユムシ類と近縁であるといえるが,ホシムシ類には体節制がなく,特有な触手器官があり,肛門が体前方に開いており,また血管系がないことなどが,大きな特徴になっている。 日本では,サメハダホシムシPhascolosoma scolops,イケダホシムシGolfingia ikedai,スジホシムシSipunculus nudus(イラスト),スジホシムシモドキSiphonosoma cumanenseなどがふつうに見られる。広島,愛知,高知などの各県では釣餌虫としてよく用いる。… ※「Sipunculus nudus」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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