| Diet | Herbivore |
| Height | 1.2m |
| Length | 4m |
| Weight | 1.5 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Early Cretaceous |
| Type | Ankylosaur |
| Location | Mongolia |
Maleevus was a heavily armoured ankylosaur that roamed the ancient landscapes of Mongolia during the Early Cretaceous period, approximately 100.5 million years ago. This impressive herbivorous dinosaur was built like a living tank, with a low-slung body covered in protective bony plates and spikes that would have made it a formidable opponent for any predator brave enough to attack.
Measuring around 4 metres in length and standing about 1.2 metres tall at the hip, Maleevus was a medium-sized member of the ankylosaur group. Its body was broad and robust, supported by four sturdy legs that carried its estimated weight of 1.5 tonnes across the Cretaceous floodplains. The dinosaur's back and sides were protected by rows of bony osteoderms - natural armour plates embedded in the skin that formed an almost impenetrable shield.
As a herbivore, Maleevus spent its days browsing on low-growing plants, ferns, and cycads that dominated the Early Cretaceous landscape. Its small head housed a beak-like mouth perfect for cropping vegetation, whilst rows of small teeth helped process tough plant material. The dinosaur's wide body provided ample space for the large digestive system needed to break down fibrous plant matter.
Maleevus lived in what is now Mongolia during a time when the climate was much warmer and more humid than today. The region would have been covered in lush vegetation, providing plenty of food for this peaceful giant whilst rivers and lakes dotted the landscape, creating the perfect habitat for diverse dinosaur communities.
Maleevus possessed extensive bony armour covering its back and sides, with distinctive osteoderms arranged in regular patterns across its body. Its broad, low-built frame and relatively small head were typical of ankylosaurs, giving it a tank-like appearance that distinguished it from other herbivorous dinosaurs of its time.
Maleevus likely lived a relatively peaceful existence, spending most of its time browsing on low vegetation while relying on its heavy armour for protection. When threatened, it probably crouched down to protect its vulnerable underside and may have used its armoured body as a defensive weapon, though unlike some later ankylosaurs, it lacked a distinctive tail club.
Maleevus was first described by Tumanova in 1987. The original fossils were discovered at Bayanshiree Formation, Mongolia.
