Description of Centropyxis constricta
provided by BioPedia
Testate amoeba, the shell is yellow or brown, and ovoid. The aboral region in lateral view is spherical but flattened slightly towards the aperture. The shell is usually smooth on the aperture surface and rough at the aboral region. The aperture is invaginated, circular or oval, subterminal and has a semi-circular aperture rim. Length of shell 120-181 microns, breadth of shell 75-148 microns, depth of shell 82-102 microns and diameter of aperture 62-85 microns.
