Mononykus olecranus Variant:Unprimed Stethacanthus altonensis reached approximate lengths

Stethacanthus altonensis reached approximate lengths of between 1 and 1

This dinosaur belonged to the group of ornithomimids

characterized by a compact and robust body adapted for stable quadrupedal locomotion

tenía patas robustas con articulaciones similares a las de los tetrápodos modernos

Mononykus olecranus Variant:Unprimed Stethacanthus altonensis reached approximate lengthsMononykus 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