Otodus Tylosaurus proriger Tylosaurus was a mosasaur, a large, predatory marine lizard closely related to modern monitor lizards and to snakes. Cretoxyrhina lived in a very diverse pelagic ecosystem. Pliosaurus (meaning 'more lizard') is an extinct genus of thalassophonean pliosaurid known from the Kimmeridgian and Tithonian stages (Late Jurassic) of Europe and South America. With long sharp, knife-like teeth, the diet of the Cretoxyrhina included fish and marine animals and even dinosaurs like the Tylosaurus. But Tylosaurus thinks the Ginsu Shark is an easy meal, even though the Ginsu Shark is even bigger than the sharks of today. Plot: A pregnant Tylosaurus struggles to find a place to give birth when she is harassed by a Cretoxyrhina, attracted to the smell of blood. Cretoxyrhina mantelli would likely have been the apex predator at the beginning of the deposition of the chalk, but over a period of 3-4 million years during the Coniacian and Santonian, a giant (10-14 m) mosasaur (Tylosaurus proriger) evolved as the major competitor for this role. Now one of them is called the Ginsu Shark, also known as Cretoxyrhina. The youngster then returned to its mother and they swam off. The Ultimate Marine Marauders Crate comes with amazing museum-quality, hand-painted casts of four of the largest carnivores to ever swim the seas! Fossil records revealed that it preyed on a variety of marine animals, such as mosasaurs like Tylosaurus , plesiosaurs like Elasmosaurus , bony fish like Xiphactinus , and protostegid turtles like Archelon . The 35-foot-long, seven-ton Tylosaurus was about as well-adapted to terrorizing sea creatures as any marine reptile could be, considering its narrow, hydrodynamic body, blunt, its powerful head suited to ramming and stunning prey, its agile flippers, and the maneuverable fin on the end of its long tail. And what makes it strange is that it has webbed feet, rather than fins. A Large and Vicious Predator . Tylosaurus as a Mosasaur Tylosaurus was one of the larger mosasaurs that lived towards the end of the Cretaceous period, something which has secured its frequent inclusion in popular media such as books and television documentaries. Rivals to Tylosaurus in terms of upper size include Mosasaurus and Hainosaurus. The Ultimate Crate contains casts of a tooth from Megalodon, "slice and dice" tooth from Cretoxyrhina, recurved tooth from a 50' long Tylosaurus, and a 3" long tooth from Xiphactinus. Featuring: Tylosaurus vs. Cretoxyrhina. The neck alone was around 7.1 meters (23 ft) long. But Tylosaurus had some fearsome rivals. The Cretoxyrhina reach a massive 25 feet (7.6m) in length and weighed between 1,000-2,000 pounds (453-907 kilos), comparable in size to the modern Great White Shark. The Tylosaurus quickly responded and violently massacred all the Cretoxyrhina. sp., Platecarpus tympaniticus and Clidastes liodontus, with the larger tylosaurs reaching lengths of 10 m. Cretoxyrhina mantelli was a large shark with a world wide distribution. Featuring: Therizinosaurus vs. Oviraptor. Measuring 10.3 meters (34 ft) long, Elasmosaurus would have had a streamlined body with paddle-like limbs, a short tail, a small head, and an extremely long neck. Episode 4) Egg Thieves. Glacialisaurus vs Cryolophosaurus vs Mosquito swarm [edit | edit source] A lone male Glacialisaurus was seen drinking from a … Along with its relative Albertonectes, it was one of the longest-necked animals to have lived, with the second largest number of neck vertebrae known, 72, 4 less than Albertonectes. The most common mosasaurs in the Western Interior Seaway at that time were Tylosaurus nepaeolicus, Tylosaurus nov. Along with plesiosaurs, sharks, fish, and other genera of mosasaurs, it was a dominant predator of the Western Interior Seaway during the … There is a small one called Platecarpus. Cretoxyrhina was the largest shark in its time and was among the chief predators of the seas. ... (Tylosaurus skeleton moved down, scale diagram moved up, assorted fossils moved up to replace most complete skeletons diagram, which in turn is moved up near the mention of their discovery) Done.