world of amoeboid organisms

Ripella platypodia
Ripella platypodia
Ripella platypodia

Ripella platypodia (Glaeser, 1912)

Diagnosis: Locomotive form fan-shaped, often with pronounced tail or discoid. Anterior margin smooth and rounded; posterior margin often triangular. Frontal hyaloplasm occupies about 2/3 of the total cell area or even more. Greatest dimension of the locomotive form 10-30 µm (average 16-21 µm). Single vesicular nucleus 3.4-5.0 µm in diameter with rounded central nucleolus. Floating form with long tapering pseudopodia far exceeding the diameter of the central mass.

Cell surface is covered with glycostyles about 110 nm in length; simple, filaments present among them.

Ecology: Freshwater.

Ferry Siemensma, created February 28, 2019; last modified February 21, 2022
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