Ostreococcus
| Ostreococcus | |
|---|---|
| Scientific classification | |
| Clade: | Viridiplantae | 
| Division: | Chlorophyta | 
| Class: | Mamiellophyceae | 
| Order: | Mamiellales | 
| Family: | Bathycoccaceae | 
| Genus: | Ostreococcus C. Courties & M.-J. Chrétiennot-Dinet (1995) | 
| Species | |
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Ostreococcus is a genus of unicellular coccoid or spherically shaped green algae belonging to the class Mamiellophyceae. It includes prominent members of the global picoplankton community, which plays a central role in the oceanic carbon cycle.