Difflugia praestans, stack of 17 images
Centropyxis aculeata test (shell)
Lecythium spinosum
Lecythium spinosum crop
With a size of under 20 µm Pyxidicula operculata is a rather small shelled amoeba.
Microchlamys patella
Parachaos sp., probably a new species
I counted 12 nuclei in this big Parachaos sp. amoeba
Parachaos sp. with focus on the cell membrane
Hyalodiscus rubicundus