Whose fossils showed that early amphibians evolved from lobe-finned fish?
Quick Answer
The transition is strongly associated with fossils such as Acanthostega and Ichthyostega, studied by paleontologists including Jenny Clack. They revealed how vertebrates moved from water onto land.
The Full Story
Jenny Clack’s research on Devonian fossils was central to understanding the origin of tetrapods, the four-limbed vertebrates that gave rise to amphibians and all later land vertebrates. Fossils such as Acanthostega and Ichthyostega showed a mix of fish and land-animal traits. These creatures had limbs with digits but still relied heavily on aquatic environments. Their discovery helped reshape ideas about how vertebrates first adapted to life on land about 360 million years ago.
Key Facts
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