大鲵(Andrias davidianus)俗称娃娃鱼,是我国特有种,属两栖纲、有尾目、隐鳃鲵科。在美洲、欧洲和亚洲发现的化石表明,在中生代或是更早的年代,隐鳃鲵科动物就已经广泛地生活在劳亚古陆,是与恐龙同时代并存的古老物种,随着地球环境、气候的变迁,许多种类 Andrias davidianus commonly known as salamander, is endemic to China, is an amphibious class, aura, hidden gill family Branch. Fossils found in the Americas, Europe and Asia show that in the Mesozoic or earlier era, the gill clades have lived extensively in Laurasia, an ancient species coexisting with dinosaurs, Climate change, many species