Seen as one of the first forms of life, the Ediacaran age bacterial mats where most probably constructed of oxygen producing cyanobacteria. Is rare to find a form of life dating from 550 mil y before present.

Ediacaran Bacterial Mat/Cyanobaterian mat

Ediacaran (551 - 538 mil y.)

Arctic Norway

200 x 115 mm - 8" x 4 5/8"

Very good