placing it well above the size of most living tadpoles. It is a younger version of an extinct giant frog species, with its skeleton visible and parts of the soft tissues preserved, according to ...

Scientists have discovered the oldest-known fossil of a tadpole, dating back approximately 161 million years to the Middle Jurassic period. Strawberry poison-dart frog transporting the tadpoles.

A sixteen-centimeter (6-inch) tadpole fossil intrigues scientists. Discovered in Patagonia, it could well redefine our understanding of the evolution of frogs. This exceptional finding sheds light on ...

Researchers know frogs were hopping around as far back as 217 million years ago. But exactly how and when they evolved to begin as tadpoles remains unclear. The oldest-known tadpole fossil found ...

The discovery is helping to clear up a long-standing mystery as to when frogs and toads evolved their iconic two-stage life-cycle. "The research demonstrates that a tadpole stage followed by a ...

The fossil’s near-complete condition allows researchers to observe that this tadpole was already well along in its transformation to an adult frog. Frog metamorphosis has long been a mystery in ...

You’ve probably seen tadpoles in standing puddles of water after a rain – tiny swimming creatures that don’t draw much attention to themselves. Galina Aglyamova with a Ranitomeya variabilis frog in ...

Frogs, like butterflies and salamanders, have what is called a "bi-phasic life cycle." They undergo metamorphosis to grow from their larval stage, as a non-reproductive tadpole that swims underwater, ...

This image provided by Mariana Chuliver shows the oldest-known tadpole fossil found in Patagonia, Argentina. (Mariana Chuliver via AP) This image provided by Mariana Chuliver shows paleontologist ...

Maybe what we should have been asking is, "Which came first: the frog or... The oldest tadpole ever found is 161 million years old and amazingly preserved Frogs, like butterflies and salamanders ...