Scale 1:72 - 105 mm large

The embryo exhibits a fetal posture

Although their purpose has long been debated

giving it a wide field of vision

due to its strange combination of features reminiscent of modern birds

Duonychus tsogtbaatari Altirhinus Scale 1:72 - 105 mmBetween 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