Study shows triassic fossils that reveal origins of living amphibians
The smallest of newly found fossils can upend what palaeontologists know about our history.
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The smallest of newly found fossils can upend what palaeontologists know about our history.
A caecilian fossil from the Triassic period, discovered in Arizona, helps Virginia Tech researchers understand the evolution of the species.
For years, debate has raged about where a group of snakelike animals fit in the amphibian family tree.Now, an analysis in the journal Nature of fossils from Arizona’s Petrified Forest National Park may hold the answer.
A new species of fossilized caecilian, a worm-like amphibian, has been found in Arizona's Petrified Forest National Park.
Caecilians aren't exactly your run-of-the-mill amphibian.