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Sipuncula - Wikipedia, the free encyclopedia
瀏覽:1335
日期:2024-10-04
The Sipuncula or Sipunculida (common names sipunculid worms or peanut worms) is a group containing 144–320 species (estimates vary) of bilaterally symmetrical, unsegmented marine worms. Sipuncula signifies "little tube or siphon." Traditionally considered...看更多