Phylum Amoebozoa Lühe, 1913 Subphylum Lobosa Carpenter, 1861 see Infraphylum Lobosa Carpenter, 1861 Class Tubulinea Smirnov et al., 2005 Order Euamoebida Lepşi, 1960 Family Amoebidae Ehrenberg, 1838 Genus Polychaos Schaeffer, 1926 Polychaos annulatum (Penard, 1902)