Sinomegaceros pachyosteus Tyrannosaurus Rex " These spines were sharp

" These spines were sharp at the tip and were probably used as a defense against predators

approximately 6 meters long and with an agile and muscular build

such as climate changes and competition with other forms of marine life

approximately 155-145 million years ago

The Dilophosaurus was a medium-sized bipedal predator

Sinomegaceros pachyosteus Tyrannosaurus Rex " These spines were sharpSinomegaceros (S. pachyosteus 'thick boned') is an extinct species of giant deer that inhabited what is now China during the Pleistocene of the Quaternary period, about 2. 5 million years ago to about 11,500 years ago. This species belongs to the true deer family (Cervidae) and is known for its large size and unique features in its bone structure. The limb bones of Sinomegaceros are particularly thick and strong, suggesting that this deer may have