Frenzelina minima Hoogenraad, 1910
Diagnosis: test membranous, hemispherical or nearly spherical, with an more or less open ventral face; very small mineral grains attached to the membrane; test in dorsal view usually elliptical; plasmabody broad-elliptical or more or less kidney-shaped; fine filopodia; nucleus vesicular with central nucleolus.
Dimensions: test 17-26 µm; body 12-17 µm.
Ecology: between waterplants, in Sphagnum and on debris; the Netherlands.
Microcorycia spec. , folded Microcorycia spec.? I found this specimen in a sample from moss on a fallen tree in a marsh in the Naardermeer,
Microchlamys spec., the same cell in lateral view Microchlamys spec. Diagnosis: Shell relatively high compared with all described species. The diameter is twice the height.
Infraorder Excentrostoma Kosakyan et al., 2016 Diagnosis: Testate amoebae with an eccentrically placed aperture; test organic with few or many xenosomes. Family Centropyxidae Jung, 1942
Infraorder Longithecina Kosakyan et al., 2016 Diagnosis: Testate amoebae with a more or less tubular or cylindrical test and a terminal aperture; test with