Arcella
[ ahr-sel-uh ]
/ ɑrˈsɛl ə /
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noun
a genus of freshwater, ameboid protozoa that secrete a hard, umbrellalike shell having a single opening through which the pseudopodia extend.
Origin of Arcella
1838; < New Latin, equivalent to Latin arc(a) a chest, box + -ella diminutive suffix
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for arcella
Dujardin points out very clearly the identity of structure between organisms like Amœbæ and such forms as Difflugia and Arcella.
The Ocean World:|Louis Figuier