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 Vexilliferidae Page, 1987 Genus Vexillifera Schaeffer, 1926 Vexillifera lemani Page, 1976