Doug Perrine / Living Stromatolite - Limestone accretion formed by cyanobacteria - Shark Bay, Western Australia
00270107
Hiroya Minakuchi / Stromatolites, the oldest life form that still exists today, Hamelin Pool, Shark Bay, Western Australia
00125006
Mitsuaki Iwago / Stromatolites, the oldest life form that still exists today, Shark Bay, Australia
00152043
Fred Bavendam / Stromatolites, colonies of blue-green algae, the oldest life form that still exists today fossils dated to over three billion years ago, Hamelin pool, Western Australia
01576144
Jiri Lochman / Aerial view of Stromatolites, accretions of sedimentary grains, Hamelin Pool, Shark Bay UNESCO Natural World Heritage Site, Western Australia, Australia.
01576143
Jiri Lochman / Stromatolites accretions of sedimentary grains formed by microbial mats, Hamelin Pool, Shark Bay UNESCO Natural World Heritage Site, Western Australia, Australia.
01576142
Jiri Lochman / Stromatolites accretions of sedimentary grains formed by microbial mats, Hamelin Pool, Shark Bay UNESCO Natural World Heritage Site, Western Australia, Australia.
01576141
Jiri Lochman / Stromatolites, accretions of sedimentary grains formed by microbial mats, Hamelin Pool, Shark Bay UNESCO Natural World Heritage Site, Western Australia, Australia.
01576140
Jiri Lochman / Stromatolites, accretions of sedimentary grains, Hamelin Pool, Shark Bay UNESCO Natural World Heritage Site, Western Australia, Australia.
01576136
Jiri Lochman / Stromatolites, accretions of sedimentary grains formed by microbial mats,, Hamelin Pool, Shark Bay UNESCO Natural World Heritage Site, Western Australia, Australia.
01576135
Jiri Lochman / Stromatolites, accretions of sedimentary grains formed by microbial mats, Hamelin Pool, Shark Bay UNESCO Natural World Heritage Site, Western Australia, Australia.
01576134
Jiri Lochman / Stromatolites, accretions of sedimentary grains formed by microbial mats, Hamelin Pool, Shark Bay UNESCO Natural World Heritage Site, Western Australia, Australia.