Dickinsonia is a fossilised organism considered the oldest-known animal in the geological record. The oval-shaped creature with rib-like features lived about 558 million years ago, in the Ediacaran ...
Dickinsonia has now been confirmed as the planet’s oldest known animal, with Russian cliffside fossils containing preserved fat molecules.
New rock and paleomagnetic research give evidence for prolonged heating during the Cambrian-Ordovician tectonic consolidation of West Gondwanaland.
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