Could the Tully Monster redefine our understanding of animal evolution?

Nature · Published 30 September 2026 · Updated 20 October 2026 Swipe more like this →

In short: Explore the mysteries of the fossil record through the Tully Monster, a creature so unusual it challenges our fundamental definitions of animal anatomy.

The video examines animals within the fossil record that defy standard biological expectations. Among these is the Tully Monster, a specimen so bizarre that it earns its 'monster' moniker by challenging basic ideas of what an animal should look like.

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