in the Mackunda Formation and other early Cretaceous geological formations

bony plates

The most distinctive feature of Cryolophosaurus is its large fan-shaped crest

which was equipped with a pair of bony structures called "ossicones

with an elongated body that could reach up 4-5 meters in length

Megatherium Americanum Variant:Primed in the Mackunda Formation andMegatherium americanum, also known as the megatherium, was a gigantic herbivorous creature that lived in South America during the Pleistocene period, approximately 2. 5 million years ago. This extinct mammal belonged to the order Pilosa and the family Megatheriidae, being one of the largest ground sloths that ever existed. With an estimated weight between 4 and 5 tons and a height that could reach 6 meters when standing on its hind legs, Megatherium