in some recent classifications, coextensive with the Ciliata: minute organisms found in decomposing infusions of organic matter
INFUSORIA is a
9
letter word starting with
I
and ending with
A
Definitions & Synonyms
noun -
A microscopic, unicellular aquatic organism often found in large numbers as plankton, of the phylum Ciliophora, commonly referred to as INFUSORIA.