Acrocanthosaurus, claw of foot Dimetrodon Its length was estimated by

Its length was estimated by Horner & Weishampel at 2

and a long and slender snout with conical teeth (perfect for catching fish)

and Canada

Most adult Megalodon teeth fall into the 4-5” size range

"Spinosaurus had short hind limbs (like early whales and other animals that spent more and more time in the water)

Acrocanthosaurus, claw of foot Dimetrodon Its length was estimated byAcrocanthosaurus (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,