Call it a grand-phibian. Scientists have unearthed a fossil of the world’s oldest tadpole in Argentina — a shock finding that could alter our understanding of amphibian evolution, experts say.

Found in a rock in Argentina, the six-inch-long tadpole sheds light on the history of frog metamorphosis Alexa Robles-Gil Daily Correspondent An artist depicts the tadpole and frog individuals of ...

The discovery in Patagonia shows that frogs have had ... This allows the tadpoles to stay in the tadpole stage for longer and grow larger before they metamorphose into adults, making maximum ...

It may settle a debate about when the tadpole stage of frog development evolved. "There are some researchers that state that probably the most [ancient] frogs didn't have a tadpole stage," said ...

Eggs lain in water hatch into (usually water-dwelling) larvae known as tadpoles. Tadpoles are legless and typically have a few fish-like features not seen in adult frogs; for example, they have ...

Tadpoles and adults of Notobatrachus degiustoi in a mid-Jurassic pond of Patagonia are seen in an artist's reconstruction. (Gabriel Lío) Researchers know frogs were hopping around as far back as ...

Although the jumpy critters themselves won't glow, they can produce gorgeous 'froglight' blocks by eating magma cubes - the colour of which depends on the type of frog, which, in turn, depends on ...