Figure 8.13   The oldest multicellular eukaryote, Bangiomorpha, from the 1.2 Ga Hunting Formation of Canada. (a) A colony of whiskery fi laments growing from holdfasts attached to a limestone base. (b) A single fi lament showing a singleseries fi lament making a transition to multiple series, with sets of four wedge-shaped cells; note the sets of four disk-shaped cells in the single-series part of the strand. (Courtesy of Nick Butterfi eld.)

← Back