Select the option that best describes your specimen:

Cell(s) with a red or reddish-orange spot near one end; plastids green; one or more whitish structures, in the shape of a rod, disc, or link, may be visible. One visible flagellum. May be encased in an orange-brown to dark brown outer shell-like structure (which may obscure the color and details of the cell content). 

Cell(s) not as described to the left.