Eucapsis Clements et Shantz
Eucapsis cells are arranged in perpendicular rows to form cubic three dimensional colonies. Before dividing, each cell is spherical or oval shaped, 1-6 µm wide, and pale or bright blue-green or olive green in color. The cells do not have distinctive gas vesicles. The free-living colonies are microscopic, and sometimes have subcolonies. The colonial mucilage is colorless with indistinct margins.
	Eucapsis cells divide along three perpendicular planes that vary with successive generations. The new daughter cells usually remain in the place where they formed to add to the colonial structure. Large colonies distintegrate to produce new colonies.   Eight species and several varieties of Eucapsis inhabitat the metaphyton of swamps and bogs, acidic peat or salt swamps, and volcanic soils.
In culture, Eucapsis may not form its characteristic three-dimensional colonies. These cells have divided and have started to align in a regular arrangement within common mucilage.