cf. Acramoeba, Den Treek, the Netherlands

I don’t know to which taxa this amoeba belongs. It branches and anstomoses, is extremely slow and has fine filopodia without any granules.

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Centropyxis declivistoma

Centropyxis declivistoma, after Chardez, 1990 Centropyxis declivistoma Chardez, 1990 Diagnosis: Test ovoid, slightly compressed dorso-ventrally, especially in the anterior region, embedded with polymorph mineral platelets. Pseudostome

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Plagiopyxis bicamera

Plagiopyxis bicamera, after Coûteaux, 1978 Plagiopyxis bicamera Coûteaux, 1978 Diagnosis: Test elongated, in ventral view elliptical, dorso-ventrally compressed, colorless or yellowish, with a cryptostome with visor.

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Arcella jurassica

Arcella jurassica, after Olivier, 1944 Arcella jurassica Olivier, 1944 Diagnosis: Test pyramid-shaped but strongly truncated, in lateral view trapezium-shaped, with 5-8 planes; pseudostome surrounded by

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Assulina discoides

Assulina discoides , after Bobrov, Shimano and Mazei, 2012 Genus Deharvengia Bobrov, Shimano and Mazei, 2012 Diagnosis: Shell large in size, disc shaped, colorless, transparent,

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Deharvengia

Deharvengia japonica, after Bobrov, Shimano and Mazei, 2012 Genus Deharvengia Bonnet, 1979, emend. Bobrov, Shimano and Mazei, 2012 Diagnosis: Test transparent, oval or ovoid in

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