A 161 million-year-old fossil, linked to a line of extinct frog-like amphibians, is the oldest tadpole ever found. By Asher Elbein The metamorphosis of a frog from baby to adult is one of nature’s ...

An artist depicts the tadpole and frog individuals of the Notobatrachus degiustoi species. The oldest known tadpole fossil, which belongs to this species, was found in the Patagonia region of ...

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.

Douglas Blackiston, a developmental biologist at Tufts University, has always been fascinated by transformation. Using uncommon model organisms, from caterpillars and butterflies to tadpoles and frogs ...

The fossilization of the tadpole's "delicate structures," like its eyes and gills, allowed for a detailed analysis of the rare find. When you purchase through links on our site, we may earn an ...

BUENOS AIRES (Reuters) - Scientists in Argentina have discovered excellently preserved fossil remains of the oldest-known tadpole, the larval stage of a large frog species that lived alongside ...