noun
turbellarians; Turbellaria
Taxonomic term for a class of free-living flatworms, including planarians. Used mainly in biological contexts.
渦虫類にはプラナリアが含まれる。
Turbellaria includes planarians.
生物学の授業で渦虫類の再生能力について学んだ。
In biology class, we learned about the regenerative ability of turbellarians.
From 渦 (うず, 'whirlpool') + 虫 (むし, 'worm') + 類 (るい, 'class'), referring to the ciliated, swirling movement of these flatworms in water.