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Argynnia dentistoma lageniformis
Argynnia dentistoma var. lagrniformis, after Playfair, 1917

Argynnia dentistoma var. lageniformis  Playfair, 1917

Diagnosis: Test broadly ovate as in the type, but drawn out and constricted above the pseudostome into a short neck. Pseudostome minutely crenulate by a regular series of marginal plates. Wall of the test formed of minute, irregular, angular plates (diam. About 6 µm).

Dimensions: Length 126 µm; width 90 µm; aperture 38 µm.

Ecology: Auburn, Australia

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