Science

Giant Jurassic fossil sheds light on the evolution of a six-legged predator

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Briefings

A new fossilized insect specimen from the Jurassic period provides evidence for the evolution of hexapods, a group of six-legged animals. The discovery suggests that early hexapods may have included small, two-pronged bristletails with cerci resembling pincers, alongside other less-known hexapods. This finding helps clarify the evolutionary history of insects and their relatives.

Key points

• The fossilized insect specimen is from the Jurassic period and provides evidence for the evolution of hexapods.
• Hexapods include insects, diplurans, and wingless relatives with two rear projections called cerci resembling pincers.

Context

This discovery helps clarify the evolutionary history of insects and their relatives, specifically by identifying potential ancestors of modern hexapods.

Limitations

The evidence is limited to a single fossilized insect specimen from the Jurassic period. The specific details of the specimen's morphology and its exact evolutionary relationships remain uncertain without further research.

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