This video says about itself:
19 June 2017
A new analysis of a pair of tiny fossils found in the 1990s has helped scientists to uncover the backstory of the most mysterious amphibian alive. Researchers used 3D X-rays to map out the remains of a now-extinct species that walked the Earth  million years ago. They found that the species is a long-missing amphibious link that expands the known history of frogs, toads and salamanders by at least 15 million years. Chinlestegophis jenkinsi (artist’s impression) was a tiny subterranean carnivore.
From Science News:
New fossils shake up history of amphibians with no legs
Tiny skulls and other bits hint at unexpected backstory for today’s snake-shaped caecilians
by Susan Milius
3:30pm, June 19, 2017
Newly named fossils suggest that a weird and varied chapter in amphibian deep history isn’t totally over.
Small fossils about 220 million years old
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