mastigophoran
noun
mas·ti·goph·o·ran ˌma-stə-ˈgä-fə-rən 
: any of a subphylum (Mastigophora) of protozoans comprising forms with flagella and including many often treated as algae
mastigophoran adjective
Word History
Etymology
ultimately from Greek mastig-, mastix whip + pherein to carry — more at bear
First Known Use
circa 1911, in the meaning defined above