Pyrenomonadales is an order of
Cryptophyta
The cryptophyceae are a class of algae, most of which have plastids. About 220 species are known, and they are common in freshwater, and also occur in marine and brackish habitats. Each cell is around 10–50 μm in size and flattened in shape ...
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References
Cryptomonads
Bikont orders
{{Cryptomonad-stub