possibly specialising in smaller

one of the most enigmatic and spectacular was Deinotherium giganteum

Length 153 mm

69-meter-long humerus stands out

Tyrannosaurus rex juveniles Variant:Primed possibly specialising in smallerDeep in a prehistoric ocean, two juvenile Tyrannosaurus rex glide between columns of seagrass. Their bodies, adapted for life on land, look strange and heavy underwater, but buoyancy and muscular hind legs allow them to propel themselves with clumsy but purposeful movements. Their long tails, normally used for balance on land, now serve as makeshift rudders as they venture through schools of primitive fish fleeing in their wake. Bubbles emerge from