化石记录

• These two contiguous parks , extending over 275 , 300 ha in the desert region on the western border of the sierra pampeanas of central argentina , contain the most complete continental fossil record known from the triassic period ( 245 - 208 million years ago )
  这两个相邻的公园，坐落在阿根廷中部的沙漠地区，总共占地275 , 300公顷，保存有三叠纪（ 2亿4千5百万到2亿零8百万年前）最为完整的大陆化石记录。