Hiroya Minakuchi / Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
00480620
Chien Lee / Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
00455218
Hiroya Minakuchi / Stromatolites exposed at low tide, colonies of blue-green algae, the oldest life form that still exists today fossils dated to over three billion years ago, Hamelin Pool, Shark Bay, Western Australia
01324916
John Cancalosi / Fossil Stromatolite (Conophytum basalticum) from the Cambrian Period. Katherine, Northern Territory Australia
01291386
Steven David Miller / Colony of Stromatolites in hyper-saline water, Hamelin Pool, Hamelin Bay Conservation Park, Shark Bay, Western Australia
01291385
Steven David Miller / Colony of Stromatolites in hyper-saline water, Hamelin Pool, Hamelin Bay Conservation Park, Shark Bay, Western Australia
01291384
Steven David Miller / Colony of Stromatolites in hyper-saline water, Hamelin Pool, Hamelin Bay Conservation Park, Shark Bay, Western Australia
01246327
John Cancalosi / Fossil Stromatolite (Conophytum basalticum) from the Cambrian period, Katherine, Northern Territory, Australia
01196439
John Cancalosi / Fossil Stromatolites from the Cretaceous period, formations caused by bacteria and algae, Morocco
01196438
John Cancalosi / Fossil Stromatolites from the Cretaceous period, formations caused by bacteria and algae, Morocco
01075464
Jabruson / Stromatolites, Hamelin pool, Shark Bay, Western Australia - caused by bacteria and algae
01017145
GEORGETTE DOUWMA / Stromatolites, Hamelin Pool, Shark Bay, Western Australia
