資料來源 : Webster's Revised Unabridged Dictionary (1913)

Protoplasta \Pro`to*plas"ta\, n. pl. [NL.] (Zo["o]l.)
   A division of fresh-water rhizopods including those that have
   a soft body and delicate branched pseudopodia. The genus
   {Gromia} is one of the best-known.