Acrocanthosaurus, claw of foot Triceratops There was also a very

There was also a very large sail on it back

Thick tendons have been preserved

but not other apes

Morrison Formation of Moffat County

Acrocanthosaurus, claw of foot Triceratops There was also a veryAcrocanthosaurus (meaning "high spine lizard" because of the spikes growing out of its spine) was a fierce predator that was roughly 30 40 feet (9 12 m) long and weighed about 5,000 pounds (2300 kg). It had a big head, with a 4. 5 foot (1. 4 m) long skull and 68 thin, sharp, serrated teeth. It had 17 inch (43 cm) spikes extending from its vertebrae, along the neck and tail that may have formed a thick, fleshy sail on its back. It had powerful arms,