• Amiba limax Dujardin
• Amoeba biddulphiae
• Amoeba chaetognathi Grassi
• Amoeba chlorochlamys R. Lauterborn
• Amoeba discoides Sch.
• Amoeba dubia Sch.
• Amoeba flavescens Gruber, 1889 accepted as Gruberella flavescens (Gruber, 1889) Page, 1984
• Amoeba gorgonia Penard, 1902
• Amoeba guttula Duj.
• Amoeba limicola Rhumb.
• Amoeba pigmentifera Grassi
• Amoeba proteus (Pal.)
• Amoeba pulchra Biernacka, 1963 accepted as Thecamoeba pulchra Page, 1977
• Amoeba punctata P.-A. Dangeard
• Amoeba radiosa Ehr.
• Amoeba rotatoria A.F. Mayer
• Amoeba spumosa Grub.
• Amoeba striata Pen.
• Amoeba verrocosa
• Amoeba vespertilio Pen.
• Chaos carolinense
• Chaos illinoisense (Kudo, 1951)
• Chaos redivivum Linnaeus, 1767 accepted as Panagrellus redivivus Linnaeus, 1767
• Hydramoeba hydroxena
• Metachaos discoides (Schaeffer, 1916)
• Metachaos gratum Schaeffer, 1926
• Polychaos dubium (Schaeffer, 1916)
• Polychaos nitidubium Bovee, 1970
• Trichamoeba cloaca
• Trichamoeba myakka
• Trichamoeba villosa (Wallich, 1863)