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Description of EuglyphaTestate amoeba, the lorica is ovoid, circular in transverse section and composed of oval and elongated overlapping shell-plates. The elongated shell-plates are about twice as long as the usual shell-plate and normally project from the aboral region of the shell, but often they follow the curvature of the shell and are not easily seen. Aperture always with denticulate mouth plates! This large and common genus contains more than 40 species and twice as much sub- and infrasubspecific taxa. Traditionally this genus is subdivided in three groups: Group I: Shell in cross-section and aperture circular, spines if present appendix of body plates, e.g. Euglypha acanthophora (Ehrenberg, 1841), similar but without spines: Euglypha tuberculata Dujardin, 1841; Group II - Shell in cross-section elliptical, aperture ± circular, spines not appendix of body plates, for example Euglypha strigosa (Ehrenberg, 1871), habitat: common in mosses, sphagnum and organic soils. Feeding: herbivore; Group III - Shell compressed, aperture elliptical, spines not modified body plates -for example, Euglypha compressa Carter, 1869. Herbivores from aquatic vegetation, sphagnum, acid soils. Common and widespread. Type species: Euglypha tuberculata Dujardin, 1841.