Argentina: Rare 2-million-year-old frog fossil reveals details about evolution of toads

Palaeontologists in Argentina have discovered 2 million-years-old rare species of frog, according to science and techlogy ncy at La Matanzas national university. study published in an open Irish research journal (journal.ie) revealed that  fossilized remains of a rare species of frog sensitive to climate change were found that divulged key details about evolution of frogs and toads millions of years ago. 

"We kw very little about prehistoric frogs and toads, said Federico Aglin," a researcher at Natural Science Museum said in a statement in published study. Furr, he added, "Frogs and toads are very sensitive to climate and environmental changes, which makes m an important source to understand past climates."

" prehistoric creature consisted of fossilized remains of a rare species of frog,” according to  researcher Angolin. Discovered in San Pedro, around 180 kilometres to rth of capital Bues Aires, fossil was excavated 44 meters (144 foot) underground and was identified as  Anuras, ancient tailless amphibians.  

Earlier, scientists excavated fossils of  Prehistoric frogs in amber surface which was 99 million years old in  sticky tree resin that got trapped during of Disaurs. Palaeontologists found amber from Myanmar, containing skin, scales, fur, fears or even whole amphibians, according to a study published in journal Nature. 

se amber fossils provide direct evidence that frogs inhabited wet tropical forests before mass extinction event at end of Cretaceous, lead author Dr Lida Xing, China University of Geosciences in Beijing, said in journal.

Furr, Dr David Blackburn,  University of Florida,  co-author of research said, “being small and living in a tropical forest makes likelihood for se creatures ending up in fossil record pretty low”. "Frogs have been around on earth for approximately 200 million years," he added. 

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Oldest existing frogs are 'Electrorana Limoa'

Researchers had named oldest existing frogs as Electrorana Limoa, and y also found plants, spiders and insects in ambers. re were even marine molluscs, suggesting frogs lived in a humid, warm, tropical forest ecosystem that contained freshwater lakes, as per study.  

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