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Genus Echinamoeba Page, 1975

Diagnosis: Locomotive cell small, around 12 µm, usually triangular, fan-shaped, or elongate. With a few short spiny pseudopodia (echinopodia up to 1.5 µm long) extending from the hyaline region. Single nucleus. Cysts smooth and spherical. Thin cyst wall with a narrow space between the outer and inner layers, although one species has cysts without layers.
Type species: Echinamoeba exudans (Page, 1967)

Ecology: Two species described from leaf litter.

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