#arcella  an amoeba-like protozoan with a chitinous shell resembling an umbrella
  supertype:  #protozoan__protozoon  any of diverse minute acellular or unicellular organisms usually nonphotosynthetic
  member of:  #genus_Arcella  type genus of the Arcellidae
     member of:  #family_Arcellidae__Arcellidae  soil an freshwater protozoa; cosmopolitan
        member of:  #order_Testacea__Testacea  testacean rhizopods
           member of:  #subclass_Rhizopoda__Rhizopoda  creeping protozoans: amoebas and foraminifers
              member of:  #class_Sarcodina__Sarcodina  characterized by the formation of pseudopods for locomotion and taking food: Actinopoda; Rhizopoda
                 member of:  #phylum_Protozoa__Protozoa  in some classifications considered a superphylum or a subkingdom; comprises flagellates; ciliates; sporozoans; amoebas; foraminifers
                    member of:  #kingdom_Protoctista__Protoctista  in most modern classifications, replacement for the Protista; includes: Protozoa; Euglenophyta; Chlorophyta; Cryptophyta; Heterokontophyta; Rhodophyta; unicellular protists and their descendant multicellular organisms: regarded as distinct from plants and animals

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