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 ...
and had studied tadpole development in frogs before. When looking at the fossil under the microscope, she found the cartilage supporting its gills to be surprisingly similar to that of tadpoles ...
"It's not only the oldest tadpole known, but also the most exquisitely preserved," said study author Mariana Chuliver, a biologist at Buenos Aires' Maimonides University. Researchers know frogs ...
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.
Some tadpoles have not grown into frogs this year due to the poor weather Tadpoles have decided not to turn into frogs because of this year's bad weather. The young amphibians usually begin their ...
Tadpoles have decided not to turn into frogs because of this year's bad weather. The young amphibians usually begin their transition into frogs in the UK during April and May, but they have been ...