title: Arcella
text: # Arcella
  
  Arcella est un genre de protistes appartenant à l'embranchement des amibozoïdes.
  
  ## Taxonomie
  
  * Arcella arenaria (Greeff, 1866)
     * Arcella arenaria sphagnicola Deflandre, 1928
  * Arcella artocrea aplanata Grospietsch, 1954
  * Arcella catinus Penard, 1890
  * Arcella conica (Playfair, 1917)
  * Arcella dentata (Ehrenberg)
  * Arcella discoides (Ehrenberg, 1871)
     * Arcella discoides pseudovulgaris Deflandre, 1928
     * Arcella discoides scutelliformis Playfair, 1918
  * Arcella gibbosa Penard, 1890
  * Arcella hemisphaerica (Perty), 1852
     * Arcella hemisphaerica gibba Deflandre, 1928
     * Arcella hemisphaerica intermedia Deflandre, 1928
     * Arcella hemisphaerica undulata Deflandre, 1928
  * Arcella megastoma Penard, 1902
  * Arcella polypora Penard, 1890
  * Arcella rotundata Playfair, 1918
     * Arcella rotundata aplanata Deflandre, 1928
  * Arcella tuberosus Decloitre, 1954
  * Arcella vulgaris Ehrenberg, 1832
     * Arcella vulgaris undulata Deflandre, 1928
  