Plasmodiophorida

例句：

1. 1.Plasmodiophorida are a group of single-celled animals that live in the ocean.
   纤毛虫目是一类生活在海洋中的单细胞动物。
2. 2.The study of Plasmodiophorida is important for understanding marine ecosystems.
   研究纤毛虫目对于理解海洋生态系统非常重要。
3. 3.In recent years, scientists have discovered new species of Plasmodiophorida in the deep sea.
   近年来，科学家在深海发现了新的纤毛虫物种。