Bacillarieae

plural noun
Bac·​il·​la·​ri·​e·​ae | \ -ˈēˌē\

Definition of Bacillarieae

in some classifications
: a group of algae comprising the diatoms and usually regarded as a distinct class but sometimes especially formerly treated as a subclass and included in the Zygophyceae

First Known Use of Bacillarieae

circa 1890, in the meaning defined above

History and Etymology for Bacillarieae

New Latin, from Bacillaria + -eae

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