今年十月,地质矿产部第二地质大队根据农民提供的线索,在自贡附近的威远县荣胜乡老鸦坡一个晒场上,发现四个大“鸡爪”样的动物足迹印痕(统称遗迹化石)。经初步鉴定,认为这是一种用后肢行走的大型恐龙的足迹化石。 In October this year, on the basis of the clues provided by the peasants, the second geological brigade of the Ministry of Geology and Mineral Resources discovered four large “chicken feet” animal tracks imprinting on a drying yard in Sangyangpo, Rongsheng County, near Zigong Collectively referred to as trace fossils). After preliminary identification, this is a footprints fossil of a large dinosaur walking with hind limbs.