Rhizopoda

Rhizopoda
    n 1: creeping protozoans: amoebas and foraminifers [syn:
         {Rhizopoda}, {subclass Rhizopoda}]
    

Rhizopoda \Rhi*zop"o*da\, n. pl. [NL., fr. Gr. ??? a root +
   -poda.] (Zool.)
   An extensive class of Protozoa, including those which have
   pseudopodia, by means of which they move about and take their
   food. The principal groups are Lobosa (or Am[oe]bea),
   Helizoa, Radiolaria, and Foraminifera (or Reticularia). See
   {Protozoa}.
   [1913 Webster]
    

{Molluscoidea}, including Brachiopoda and Bryozoa. {Mollusca},
including Cephalopoda, Gastropoda, Pteropoda, Scaphopoda,
Lamellibranchiata or Acephala. {Echinodermata}, including
Holothurioidea, Echinoidea, Asterioidea, Ophiuroidea, and
Crinoidea. {C[oe]lenterata}, including {Anthozoa} or {Polyps},
{Ctenophora}, and {Hydrozoa} or Acalephs. {Spongiozoa} or
{Porifera}, including the sponges.
{Protozoa}, including {Infusoria} and {Rhizopoda}. For
definitions, see these names in the Vocabulary.
[1913 Webster] Animalcular