Filose amoebae with siliceous test

Filose amoebae with spherical test

Filose amoebae with non-siliceous test

Granulofilose amoebae

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Difflugia acuminate tests

Acuminate tests Tests with one or more spines or bud-like or conical protuberances or just a pointed fundus D. acuminata D. congolensis D. ventricosa D.

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Difflugia subaequalis

Difflugia subaequalis, from Penard, 1910 Difflugia subaequalis  Penard, 1910 Diagnosis: Test almost spherical, slightly elongated, with a wide pseudostome, almost as wide as the test

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Difflugia spherical tests

 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

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Difflugia stepaneki

Difflugia stepaneki, from Hager and Haagerova, 1970 Difflugia stepaneki  Hager and Haagerova, 1970 Diagnosis: Test broad elliptical, circular in cross-section, with a short neck that

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