Euglenida

Eu·gle·ni·da

noun pl \yü-ˈglē-nəd-ə\

Definition of EUGLENIDA

: an order of protozoans of the subphylum Mastigophora comprising extremely varied flagellates that are typically green or colorless stigma-bearing solitary organisms with one or two flagella emerging anteriorly from a well-defined gullet—see euglenophyta