Duonychus tsogtbaatari macrauchenia Crotalocephalina es un género extinto

Crotalocephalina es un género extinto de trilobites (artrópodos marinos fósiles) que se sitúa dentro del orden Phacopida y la familia Cheiruridae

Con sus ojos grandes y agudos

and perhaps some plant matter or fallen fruit

Length 228 mm

approximately 112-110 million years ago

Duonychus tsogtbaatari macrauchenia Crotalocephalina es un género extintoBetween 95 and 90 million years ago, during the Late Cretaceous (CenomanianTuronian) , in what is now the Gobi Desert in Mongolia, lived a peculiar therizinosaur called Duonychus tsogtbaatari . This animal inhabited a hot, arid environment, dotted with rivers and low vegetation, where it coexisted with other herbivorous dinosaurs and medium sized predators. Duonychus measured around 3 meters in length and weighed about 260 kilograms , making it a