arcella

from WordNet (r) 3.0 (2006)
arcella
    n 1: an amoeba-like protozoan with a chitinous shell resembling
         an umbrella
from The Collaborative International Dictionary of English v.0.48
arcella \arcella\ n.
   An amoebalike protozoan with a chitinous shell resembling an
   umbrella.
   [WordNet 1.5]
antiflux / dictionary / arcella
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