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Thecochaos fibrillosum – Tirol, Austria

Genus Thecochaos Page, 1981

Diagnosis: Locomotive form irregular, but more or less oval between 160 and 360 µm in length. Branched only when changing direction. Surface with wrinkles. Anterior hyaloplasm as a crescentic cap. Numerous nuclei, around 100 to 200 per cell, each with a central nucleolus.
Type species:: Thecochaos fibrillosum (Greef, 1891) Page, 1981

Ecology: Freshwater.

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