also: せいこうどうぶつ
noun
sipunculan; peanut worm
A phylum of marine worms; the Japanese term is a direct translation of the scientific name Sipuncula. The cross-reference 星虫 (ほしむし) is a more colloquial name for the same group.
See also: 星虫
星口動物は海の底にすむ、小さな虫の仲間です。
Sipunculans are small worm-like creatures that live on the ocean floor.
この図鑑には星口動物の詳しい分類が載っている。
This field guide includes a detailed classification of sipunculans.