Type genus of the Chlamydomonadaceae,solitary doubly-flagellated plant-like algae common in fresh water and damp soil,multiply freely,often a pest around filtration plants.

• 衣滴虫科的模式属，生长在淡水或潮湿土壤中的植物状生有双鞭毛的喜独居海藻，繁殖自由，常常对于筛选植物是有害物。