(250612) -- BEIJING, June 12, 2025 (Xinhua) -- This photo taken on Feb. 19, 2025 shows the mammaliaform tracks in Cretaceous strata (top, R) discovered in Huaiji County, Zhaoqing City of south China's Guangdong Province. A research team from China University of Geosciences (Beijing) announced Thursday that it has recorded, for the first time, a combination of mammaliaform and dinosaur tracks in Cretaceous strata in Huaiji County, Zhaoqing City of south China's Guangdong Province. The newly discovered mammaliaform track measures just 1.8 centimeters in length, according to the research team. TO GO WITH "Cretaceous mammaliaform tracks first found in south China" (Photo by Mi Jialin/Xinhua)