Xianglong
…Xianlong and evolved its gliding apparatus independently. Other analogous fossil reptiles are known from the Triassic period: the kuehneosaurids and Mecistotrachelos, but the Triassic look-alikes lived over 100 million years before Xianglong. Despite the 11-centimetre (4.3 in) "rib-span", the lizard might have been…