Modern crocodyliansーcrocodiles, alligators, caiman (Central and South America), and gharials (India)ーhave evolved over 250 million years from a fully terrestrial, bipedal ancestor. Along with bird……続きを見る
A richly illustrated introduction to the spectacular reptiles that swam the oceans when dinosaurs roamed the land
During the Mesozoic era, 252 to 66 million years ago, dinosaurs ruled the land, but ……続きを見る
