organisms
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Kingdom Protoctista Hogg, 1860
Phylum Rhizopoda Dujardin, 1835 - rhizopods
see Phylum Cercozoa Cavalier-Smith, 1998
Genus Arcella Ehrenberg, 1830
Arcella polypora Penard