Top 3 Oldest Known Animal Fossils

While molecular clocks suggest earlier origins, these are the confirmed physical records that define our current understanding of ancient life.

The top 3

1. Dickinsonia: The Iconic Ediacaran Giant: Dating to roughly 558 million years ago, this flat, oval-shaped organism is widely recognized as one of the oldest confirmed multicellular animals. Dickinsonia
2. Kimberella: The Earliest Mollusk Relative: Found in Ediacaran deposits, this creature displayed bilateral symmetry and traces of movement, suggesting a complex physiology 555 million years ago. Kimberella
3. Otavia antiqua: The Controversial Sponge: Discovered in Namibia, these microfossils are claimed to be 760 million years old, though their status as true animals remains a subject of intense paleontological debate.

Sources

• National Museum of Natural History

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