Pyrrophyta

plural noun

Pyr·​roph·​y·​ta

pə̇ˈräfətə

: a division or other category of algae comprising yellowish-green to golden-brown algae that are mostly unicellular and biflagellate, that form starch, starchy compounds, or oil as food reserves, and that include the dinoflagellates and cryptomonads

Word History

Etymology

New Latin, from pyrrh- + -phyta

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