Acrocanthosaurus, claw of foot Triceratops Thick tendons have been preserved

Thick tendons have been preserved

Kingdom: Plantae

are interpreted as body fossils of unknown affinities rather than trace fossils

They typically feed on smaller fish and invertebrates

Acrocanthosaurus, claw of foot Triceratops Thick tendons have been preservedAcrocanthosaurus (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,