Spinosaurus the biggest meat-eating dinosaur it could grow 25 feet tall,52 feet long and weighs 12 tonnes. alongside Tyranosaurus rex and gigantosaurus. the spinosaurus is named and famed for its huge sail on its back. which was used to warm up and cool down by facing the sail away from the sun to lose heat, or turn so the side of the sail is exposed to sun. spinosaurus was also very fast on its feet.
like baryonyx it used to have curved teeth to harpoon fish out of water.another use for its sail was a helpfull rudder as it could swim.
the spinosaurus is somehow related to modern day crocodiles due to the jaws.