mastigopoda

from The Century Dictionary.

• All those Protozoa which possess cilia or flagella; the two infusorial classes Ciliata and Flagellata. Huxley.

from the GNU version of the Collaborative International Dictionary of English.

• proper noun plural (Zoöl.) Formerly considered identical to the Infusoria, now distinguished from that group, which has been reordered. See mastigophora.