Diagnosis: In shape and behavior a typical Trichamoeba species; nucleus spherical with a number of relatively large nucleoli scattered throughout the nucleus; large squared crystals, usually paired. Uroid without pronounced villi.
Dimensions: Length c. 125 µm, breadth c. 25 µm; nucleus c. 25 µm, nucleoli 2-3 µm.
Ecology: freshwater. Inlet Waterleiding dunes, the Netherlands.