Hiroya Minakuchi / Stromatolites, the oldest life form that still exists today, Hamelin Pool, Shark Bay, Western Australia
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Mitsuaki Iwago / Stromatolites, the oldest life form that still exists today, Shark Bay, Australia
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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
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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
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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
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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
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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
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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
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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
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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
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Hiroya Minakuchi / Stromatolites, the oldest life form that still exists today, Hamelin Pool, Shark Bay, Western Australia
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Fred Bavendam / Tourist photographing 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