Difflugia ampullula
Difflugia ampullula, after Playfair, 1918

Difflugia ampullula  Playfair, 1918

Diagnosis: Test broadly ovate, with hemispherical fundus, and sides gradually converging in almost straight lines to the broadly truncate pseudostome, which is surrounded by a narrow, slightly everted collar. Fundus sometimes capped with a minute, pointed spine. Pseudostome circular.

Dimensions: Length 72-89 µm; width 52-65 µm; pseudostome diameter 21-30 µm, collar 4-8 um high.

Ecology: Freshwater, Australia.

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