Pyxidicula
Pyxidicula spec. - Photo: Wolfgang Bettighofer

 

 

Pyxidicula spec.

 

Diagnosis: shell hemispherical, aperture nearly as large as the diameter of the shell; aperture bordered by a tubular ring, which is in fact a curved part of the shell, first curving inward and then strongly curving outward. Nucleus single, vesicular.

 

Dimensions: my measurements: 38-43 µm.

 

Ecology: freshwater, rare. The Netherlands, Germany.

 

Pyxidicula patens
A reconstruction of the shell-shape, based on the photomicrographs of Wolfgang Bettighofer.
Pyxidicula
Pyxidicula spec. - Photomicrograph: Wolfgang Bettighofer
Pyxidicula
Pyxidicula spec. - Photomicrograph: Wolfgang Bettighofer
Pyxidicula
Pyxidicula spec. - Photomicrograph: Wolfgang Bettighofer
Pyxidicula
Pyxidicula spec. - Photomicrograph: Wolfgang Bettighofer
Pyxidicula
Pyxidicula spec. - Photomicrograph: Wolfgang Bettighofer