Cryptophyceae

plural noun
Cryp·​to·​phy·​ce·​ae | \ˌkriptəˈfīsēˌē, -fis-\

Definition of Cryptophyceae 

: a class of motile usually brownish green algae that are sometimes included among the Pyrrophyta and that have asymmetrical compressed cells enclosed in a firm periplast and with the two slightly unequal flagella inserted laterally or terminally

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History and Etymology for Cryptophyceae

New Latin, from crypt- + -phyceae

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