Class Lobosea (Carpenter, 1861) Cavalier-Smith, 1993 see Subphylum Lobosa Carpenter, 1861
   Subclass Gymnamoebia (Haeckel, 1862) Cavalier-Smith, 1993 see [unranked] Gymnamoebae
     Order Euamoebida Lepşi, 1960
       Family Thecamoebidae Schaeffer, 1926
         Genus Thecamoeba Fromentel, 1874
           1 Thecamoeba quadrilineata (Carter, 1856)
           2 Thecamoeba striata (Penard, 1890) Schaeffer, 1926
           3 Thecamoeba similis (Greeff, 1891)
           4 Thecamoeba sparolata (Fishbeck & Bovee, 1993)
           5 Thecamoeba sphaeronucleolus (Greeff, 1891) Schaeffer, 1926
           6 Thecamoeba verrucosa (Ehrenberg, 1838)
           7 Thecamoeba terricola (Greeff, 1866)