Plant Stromatolite

Additional images

Oldest fossil life

Stromatolites are among the oldest fossils found on earth today, and remain little changed. A stromatolite, meaning ‘layered rock’, is a solid structure created by shallow marine algae that secrete layers of calcium carbonate. You can see growth patterns in this specimen.

Common name

Plant Stromatolite

Scientific name

Stromatolite

Type

Wood & Plants


Strata

Purbeck Limestone Group

Time period

Lower Cretaceous

Age

140 million years

Where found

Unknown

Found by

Unknown

Museum

Portland Museum

Accession number

POLPM.T1007