Ediacaran biota
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The Ediacaran biota was a group of large, biologically complex, mostly soft-bodied organisms, which lived during the Ediacaran Period. These were unusual tube and frond-shaped, mostly sessile, organis
A diorama of the macroscopic organisms of the Avalon assemblage at the Smithsonian National Museum of Natural History.
Palaeontologist Guy Narbonne examining Ediacaran fossils in Newfoundland
Modern cyanobacterial-algal mat, salty lake on the White Sea seaside
A reconstruction of the Ediacaran biota at the Field Museum in Chicago
Dickinsonia
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Dickinsonia is a genus of extinct organism that lived during the late Ediacaran period in what is now Australia, China, Russia, Canada and Ukraine. It had a round, approximately bilaterally symmetric
Ediacaran biota
…life evolving independently from unrelated single-celled organisms. A 2018 study confirmed that one of the period's most-prominent and iconic fossils, Dickinsonia, included cholesterol, suggesting affinities to animals, fungi, or red algae. The first Ediacaran fossils discovered were the disc-shaped Aspidella…
Dickinsonia costata
Ontogeny of Dickinsonia costata following the glide reflection interpretation
Dickinsonia observed in situ at Nilpena Ediacara National Park, with negative relief