Genus Belaria De Saedeleer, 1934

Diagnosis: Shell hyaline, retort-shaped, with one side fastened to the substrate; shell divided in two compartments, separated by a diaphragm; shell with a neck. Shell composed of an organic material without any embedded xenosomes; color usually yellow-brown till dark-brown. Nucleus relatively large, globular with a central nucleolus. One contractile vacuole.

Ecology: freshwater and marine. I found this species twice, one specimen in the Netherlands and one in a small stream in Bretagne, France.

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