Heleopera sylvatica 103 µm – Ecuador
Family Heleoperidae Jung, 1942
Diagnosis: Lobose testate amoebae with shell composed of mineral grains and collected scales or plates from other testate amoebae and probably endogenously formed siliceous elements of irregular shape, held together by an organic cement; pseudostome terminal, slit-like or lenticular.
Heleopera sylvatica Ecuador en Heleopera petricola, pseudostome, the Netherlands