Thecamoeba verrucosa (Ehrenberg, 1838)

Patsyuk, M. K., 2015, Species Of Naked Amoebae (Protista) New For The Fauna Of Ukraine, Vestnik Zoologii 49 (5), pp. 387-392 : 389

Thecamoeba verrucosa (Ehrenberg, 1838) ( fig. 3 )

The species belongs to the rugose morphotype. Hyaloplasm forms numerous folds. Uroid is visible in the narrowed end of the amoeba body. Cell length is 150–250 μm, width is 80–120 μm, L/B ratio is 1.5–2.3. Single nucleus is 10–18 μm in diameter.

Remarks: the species can be distinguished from other species by shape and proportions of the cell, also by two tightly adjacent nucleoli in the nucleus ( Smirnov, Goodkov, 1993; Page, 1988; Page, Siemensma, 1991).

Distribution: T. verrucosa occurs in the most parts of Europe ( Page, Siemensma, 1991).

Habitats: we found the species in a lake near Bubniv village of Lokachivsky District , Volyn Region .

Figures

Fig. 3. Thecamoeba verrucosa, locomotory forms (a, b, c). x1240.