Brain space provides new insights into ancient lungfish. The evolution of the brain and nervous system in animals has been wound back more than 400 million years, due to the discovery of fossilized remnants of ancient lungfish that provided a missing link in the origin of land-dwelling, four-legged
Brain space provides new insights into ancient lungfish.
“Our discovery shows that the brains of lungfish have been evolving constantly throughout their 400-million-year history, but it suggests they have likely always relied on their sense of smell rather than vision to navigate their environments. This is quite unlike other fish which use sight much more powerfully,” says Dr. Clement from the Flinders University Ecology and Evolution research lab.
Dr. Alice Clement, Flinders University Postdoctoral Research Associate, with a 3D lungfish cranial endocast at Flinders University, Australia. Credit: Courtesy Flinders University “Lungfish have persisted for more than 400 million years from the Devonian Period to the present day and provide unique insights into the condition of the earliest tetrapods as well as their own evolutionary history.”
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