9. Botryococcus Kützing

(Fig. 3F, G)

Colony irregularly lobate, of varied size, composed of many concentrically arranged laevigate ovoid or spheric cells, with the base immersed in a dense, dark mucilage of the colony. Colony diameter ca. 40–130 µm (x 100 µm). Ecological data: found in shallow freshwater environments (Erdtman, 1969; Franceschini et al., 2010).