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Taking a bite out of frog tooth evolution: Amphibian group has lost teeth more than 20 times – Research News

https://www.floridamuseum.ufl.edu/science/frogs-have-lost-teeth-more-than-20-times/

Scientists have long known that frogs are oddballs when it comes to teeth. Some have tiny teeth on their upper jaws and the roof of their mouths while others sport fanglike structures. Some species are completely toothless. And only one frog, out of the more-than 7,000 species, has true teeth on bot
the largest known vertebrate, the blue whale, and the smallest, a frog from New Guinea

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