What is an Ultra predator

Well the Ultra Predator is one of the main characters of my book: Return of the Dinosaur King : Battle of Titans. What it look likes I a combination of a bunch of things for starters it teeth of a Tyrannosaur but a bit longer , the body build of Giganotosaurus, the sail of Spinosaurus, The hands and toe claws of a Utahraptor, The tail is a combo of a ankylosaurus and stegosaurus, The head has a build of a tyrannosaurus the eye frills of a dilophosaurus and the horn of a triceratops, the BIte force is a combo of megalodon and deinosuchus also it has a venomous bite witch was adapted to breathe fire from the megalania it size is between 400 feet long and about 175 feet long and weights 250 tons it lifespan is forever because it is meant to protect its planet till the end of time.