pteranodonsCOCA²³²⁹⁴¹ 基本例句 🌏无齿翼龙类 The bones of Pteranodons have been found in Kansas in the United States and in England. 在美国的堪萨斯州和英国发现过无齿翼龙的化石。17xie Pteranodons lived60 million years ago. That time was called the late Cretaceous period. 无齿翼龙生活在6000万年前，这个时候是白垩纪晚期。17xie