Older than dinosaurs and harder than crocodiles. This is the only species on Earth that has lived for more than 400 million years and still retains its original appearance - horseshoe crab [hòu], commonly known as horseshoe crab. This marine life with blue blood is actually not a - DayDayNews housepet

Older than dinosaurs and harder than crocodiles. This is the only species on Earth that has lived for more than 400 million years and still retains its original appearance - horseshoe crab [hòu], commonly known as horseshoe crab. This marine life with blue blood is actually not a

Let the "blue blood movable fossils" return to the Yangtze River Delta, and the only species that has lived for 400 million years but still remains in its original appearance can eat "nutritional meals"