Mononykus olecranus Variant:Unprimed This dinosaur belonged to the

This dinosaur belonged to the group of ornithomimids

Stethacanthus altonensis reached approximate lengths of between 1 and 1

Length 148 mm

Width 39 mm

Mononykus olecranus Variant:Unprimed This dinosaur belonged to theMononykus olecranus was a small theropod dinosaur belonging to the alvarezsaurid family that inhabited the desert regions of Central Asia during the Late Cretaceous, approximately 70 million years ago. It was a lightly built, highly specialized animal, measuring approximately 1 to 1. 2 meters in length and weighing an estimated few kilograms. Its anatomy reflects a combination of adaptations unique among non avian dinosaurs, particularly those related