Cell(s) with golden to golden-brown chloroplasts. Cell(s) may bear scales and/or spines; cell body may be housed in a vase- or cup-shaped outer covering. Unicellular or colonial. One or two visible flagella (may be difficult to discern if cells bear long spines). Motile or non-motile; motile forms are free-swimming.

Cell(s) not as described to the left.