Tags: Green Alga.
The Prasinophytes are a class of unicellular green algae in the Division Chlorophyta. Prasinophytes mainly include marine planktonic species as well as some freshwater representatives. The prasinophytes are morphologically diverse including flagellates with one to eight flagella and non-motile (coccoid) unicells. The cells of many species are covered with organic body scales; others are naked. One well known genus is Ostreococcus (seen at right) considered to be the smallest (ca.