Phylum Amoebozoa Lühe, 1913 Subphylum Lobosa Carpenter, 1861 see Infraphylum Lobosa Carpenter, 1861 Class Tubulinea Smirnov et al., 2005 Order Euamoebida Lepşi, 1960 Family Hartmannellidae Volkonsky, 1931 Genus Hartmannella Alexeieff, 1912 Hartmannella cantabrigiensis Page, 1974