Difflugia lithophila
Difflugia lithophila, 105 µm

Difflugia lithophila (Penard, 1902)
Difflugia hydrostatica var. lithophila Penard, 1902

Diagnosis: Shell ovoid with a short distinct neck that forms a small collar;shell in cross-section circular; shell composed of small quartz particles, sometimes mixed with fragments of diatom shells; pseudostome circular, with a somewhat uneven outline.

Dimensions: Penard: length 100-140 µm; my measurements 78-116 µm.

Ecology: I found this species in the sediments of a ditch in the nature reserve Naardermeer, the Netherlands and in a small fen near Kootwijk and in samples from Tirol, Austria.

Difflugia lithophila
Difflugia lithophila, c. 70 µm, Kootwijk
Difflugia lithophila
Difflugia hydrostatica var. lithophila, after Penard, 1902
Difflugia lithophila
Difflugia lithophila, 107 µm
Difflugia lithophila
Difflugia lithophila, 116 µm
Difflugia lithophila
Difflugia lithophila, 78 µm
Difflugia lithophila
Difflugia lithophila
Shell 117 µm, Tirol
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