Pentagonia

 

P. maroccana, from Gauthier-Lièvre & Thomas, 1958

 

 

Genus Pentagonia Gauthier-Lièvre & Thomas, 1958

 

Diagnosis: Shape pyriform, in cross section polygonal with 3-5 lateral swellings sometimes terminating in a horn, Short (5-8 µm) collar, aperture circular, fundus with horn. Agglutinate shell composed of mineral particles as in Difflugia.

 

Ecology: freshwater, sediments; Africa.

 

Two species:

P. maroccana Gauthier-Lièvre & Thomas, 1958

P. shablensis Gauthier-Lièvre & Thomas, 1958

Pentagonia

 

P. shablensis, from Gauthier-Lièvre & Thomas, 1958