Oocystaceae
| Oocystaceae | |
|---|---|
| Willea apiculata | |
| Scientific classification | |
| Clade: | Viridiplantae | 
| Division: | Chlorophyta | 
| Class: | Trebouxiophyceae | 
| Order: | Chlorellales | 
| Family: | Oocystaceae Bohlin, 1901 | 
| Genera | |
| See text | |
Oocystaceae is a family of green algae, in the class Trebouxiophyceae. Molecular phylogenetic studies mostly (but not always) place the family in the order Chlorellales, as sister to Chlorellaceae. The type genus is Oocystis.
Members of Oocystaceae are common microalgae in freshwater habitats, and a few occur in semi-saline.