Genus: Test with 2 pseudostomes; with thin, organic test (Illustrated Guide, 1985).
Species:
Colonial or solitary; cell body spherical (8-20 μm in diam.), covered with a delicate hyaline membrane;
two pseudostomes situated at or near two opposite poles; cytoplasm colorless, transparent, finely granular, filling the
envelope (test) except near the two pseudostomes; a single nucleus with a nucleolus;
one large, or two or three small, colored, oil-like globules present;
pseudopodia extremely attenuate, radiating, straight or dichotomously branced, emanating each pseudostome;
reproduction by fission or tetrad division
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