Family & Genus: >100 μm; oblong, or triangulate in locomotion; dorsal surface wrinkled, or ridged (Illustrated Guide, 1985).
Genus: A flattened ovoid or oblong, with longitudinal surface folds and appearance of thickened 'pellicle'; hyaloplasm a crescent at anterior end with thin extensions toward posterior end along sides; uninucleate (Page, 1976).

Thecamoeba sp. 9 clips xxxx xxxx Pref, 1998

Thecamoeba verrucosa sp. 7 clips xxxx xxxx Pref, 1999

Thecamoeba verrucosa sp. 3 clips xxxx xxxx Fukushima, 1999