Cryptomonadida

例句：

1. 1.The cryptophyte algae are a type of green algae that live in water.
   隐孢子虫藻是一种生活在水里的绿色藻类。
2. 2. Cryptophytes are a group of single-celled organisms that can live in both fresh and saltwater.
   隐孢子虫是一类单细胞生物，既能生活在淡水也能生活在咸水。
3. 3. Researchers have discovered new species of cryptophytes in the deep ocean.
   研究人员在深海发现了新的隐孢子虫物种。