Smithsonian Magazine on MSN3mon
Scientists Unearth the Oldest Tadpole Fossil Ever Found, and It's a 161-Million-Year-Old 'Giant'While in search of dinosaur fossils, a team of Argentine and Chinese scientists in Argentina found something else instead: ...
ZME Science on MSN3mon
Giant 160-million-year-old tadpole sheds new light on frog evolutionNot only is this particular species, Notobatrachus degiustoi, remarkable for being the oldest known tadpole fossil — dating ...
When they start their lives as tadpoles, they have gills like fish ... through tiny openings down the sides of their bodies called spiracles. The spiracles pass oxygen through a system of tiny ...
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