1) Order chlorococcales 2) Protoctist order 
Chlorococcales is an order of green algae in the class Chlorophyceae. Individual specimens are sometimes found in soil, but mostly in fresh and marine waters. The order contains approximately 780 species. Conventionally, many groups of coccoid green algae were lumped in the order Chlorococcales sensu lato by Komárek & Fott (1983), based on Pasche...
[n] - unicellular green algae that reproduce by spores
order Chlorococcales noun unicellular green algae that reproduce by spores