Definition of Rhizomastigina
: an order of Zoomastigina that comprises protozoans which have both flagella and pseudopods and which chiefly are obscure soil or water organisms though a few are commensals and one (Histomonas meleagris) causes the serious blackhead of turkeys and other fowl
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Origin and Etymology of rhizomastigina
New Latin, from Rhizomastig-, Rhizomastix, genus of protozoa (from rhiz- + Greek mastig-, mastix whip, scourge) + -ina
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