An artist's impression of both Notobatrachus degiustoi adults and tadpoles. The giant frogs lived during the Jurassic Period, alongside the dinosaurs (as depicted in the background.) An artist's ...
At about a half-foot (16 centimetres) long, the tadpole is a younger version of an extinct giant frog. (The American bullfrog, the largest living frog in Canada, reaches a maximum of 20 ...