https://seapics.com/feature-subject/marine-invertebrates/stromatolite-pictures.html

Pictures and facts of Stromatolites – in existence for 3.5 billion years but only known by fossils until discovered in 1956 in Shark Bay, Australia.

https://www.fossils-facts-and-finds.com/stromatolites.html

Stromatolites are created by cyanobacteria, also called blue-green algae. These microscopic life forms are not really algae at all but bacteria that have the ability ...

https://wiki.kidzsearch.com/wiki/Stromatolite

Jun 13, 2014 ... Stromatolites are special rock-like structures. They usually form in shallow water. They are formed by bacteria such as cyanobacteria.

http://www.indiana.edu/~geol105b/images/gaia_chapter_10/stromatolites.htm

Stromatolites. Stromatolites are layered mounds, columns, and sheet-like sedimentary rocks. They were originally formed by the growth of layer upon layer of ...

https://kids.kiddle.co/Stromatolite

Jun 11, 2019 ... The real significance of stromatolites is that they are the earliest fossil evidence of life on Earth. The oldest stromatolites are dated to 3,450 ...

https://en.wikipedia.org/wiki/Stromatolite

Stromatolites or stromatoliths are layered mounds, columns, and sheet-like sedimentary rocks that were originally formed by the growth of layer upon layer of  ...

https://simple.wikipedia.org/wiki/Stromatolite

The real significance of stromatolites is that they are the earliest fossil evidence ... The oldest known stromatolites have been dated between 3,710 million years ...

https://www.encyclopedia.com/earth-and-environment/ecology-and-environmentalism/environmental-studies/stromatolite

stromatolite* A rocky cushion-like mass formed by the unchecked growth of millions of lime-secreting cyanobacteria [1]. Stromatolites are found only in areas  ...

http://www.fossilmuseum.net/Tree_of_Life/Stromatolites.htm

Stromatolites The Oldest Fossils. ... This definition is, in fact, such a gross oversimplification as be scientifically useless. It does contain a modicum of truth,  ...

https://www.britannica.com/science/stromatolite

Stromatolite: Stromatolite, layered deposit, mainly of limestone, formed by the growth of blue-green algae (primitive one-celled organisms). ... Quick Facts.