Horseshoe crab trace fossils dating 200 million years ago found for the first time in NW China's Shaanxi - Global Times

A group of trace fossils have been discovered for the first time in Northwest China’s Shaanxi Province which proved to belong to horseshoe crabs and fish dating back to 200 million years ago, expanding the geographical and temporal distribution of horseshoe c…
Image of the horseshoe crab trace fossils discovered in Hengshan district in Yulin city, Northwest China's Shaanxi Province. Photo: Courtesy of Xing Lida A group of trace fossils have been discovere… [+4922 chars] Read More