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Difflugia key lobed

Tests with lobed or irregular aperture The aperture of these tests is lobed, dentated or irregularly shaped. This group has no taxonomic significance. D. heterodentata D.

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Difflugia key oblong

Tests that are oblong or clavate in shape Tests are elongate ovate, or club-shaped, or clavate, with the widest part of the shell in the

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Difflugia acuminate tests

Acuminate tests Tests with one or more spines, a tapering fundus or just a pointed fundus.This group has no taxonomical significance. D. acuminata D. congolensis

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