There are many hypotheses about why animals dig and go underground, for example, to protect against predators. And to maintain a constant temperature, slotxo paleontologists from the American Museum of Natural History revealed that two types of fossils, or fossils found in the Jehol Biota ecosystem, feed on northern territory. Of Hebei Province In western Liaoning Province in China and southeast of Inner Mongolia Autonomous Region May provide an answer to the development of diggers for this group of animals.
Paleontologists found that the fossils of such mammals. Is a newly found ancient species They lived about 120 million years ago in northeastern China, the first was Tritylodontid Fossiomanus Sinensis, and the second was Eutriconodontan Jueconodon Cheni. Digging the burrows until the digging feature is shorter in limbs. Strong front legs with strong hands and claws, short tail.
This is the first evidence of two new ancient burrowing animals found in Jehobiota, which in ancient times lived a wide variety of organisms, from dinosaurs to insects and plants.