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Difflugia lucida
Difflugia lucida, 64 and 68 µm

 
Difflugia lucida Penard, 1890

Diagnosis: Shell compressed, covered with flat quartz particles. Living individuals accumulate mainly inorganic material round the elliptic aperture. This aggregation of particles is probably drawn into the shell when the amoebae encysts and is lost when the cell dies. Nucleus with a central nucleolus.

Dimensions: ca. 64-70 µm

Difflugia lucida
Difflugia lucida
Difflugia lucida, 68 µm, Crailoo, the Netherlands and, Difflugia lucida, 70 µm, Tirol, Austria
Difflugia lucida
Difflugia lucida
Difflugia lucida, right: lateral view, 70 µm – Tirol, Austria, and aperture of the specimen to the left.
Difflugia lucida
The same shell as above; note the darker grains around the pseudostome.
Difflugia lucida, both c. 60 µm, xerophyle moss, Germany
Difflugia lucida
Drawing: Penard (1902) in Faune Rhizopodique du Bassin du Léman
Difflugia lucida
Two living cells of Difflugia lucida – Photomicrography Angie Opitz, Austria.

 

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