rhizoflagellata

from The Century Dictionary.

• An order of flagellate Infusoria, having pseudopodial as well as flagelliform appendages.
• These animalcules move by means of pseudopodia, like ordinary rhizopods, but also have a flagellum or flagella; the ingestive area is diffuse. In W. S. Kent's system of classification the order consists of the genera Mastigamæba, Reptomonas, Rhizomonas, and Podostoma.