How did the Tylosaurus go extinct?
Tylosaurus and other mosasaurs descended from aigialosaurs, much smaller lizards that took to the seas earlier in the Cretaceous to escape predation by the dinosaurs – and they died-out alongside the dinosaurs during the K/T extinction.
Why did the mosasaur go extinct?
About 92 million years ago, an extinction event occurred that was caused by large-scale underwater volcanic activity. It wiped out several groups of animals in the seas, among these were the ichthyosaurs or “fish lizards”, and the pliosaurs, large-headed and more predatory cousins of the plesiosaurs.
Is a Tylosaurus a mosasaur?
Tylosaurus (from the ancient Greek τυλος (tylos) “protuberance, knob” + Greek σαυρος (sauros) “lizard”) was a mosasaur, a large, predatory marine reptile closely related to modern monitor lizards and to snakes, from the Late Cretaceous.
When did mosasaurus extinct?
They are reptiles and are closely related to snakes and monitor lizards. Mosasaurs went extinct at the end of the Cretaceous during the end Cretaceous mass extinction event. The Tylosaurus mosasaur shown on the Jurassic Park movie was the largest mosasaur to exist. In real life it grew up to 50 feet in length.
Was there a shark bigger than Megalodon?
Like today’s largest sharks, megalodon also faced competition from a giant whale that hunted the same prey. Its name was Livyatan, and it was a ferocious competitor to megalodon. Livyatan was about the same size as the massive shark, weighing an estimated 100,000 pounds and reaching up to 57 feet in length.
Is the black demon shark a Megalodon?
The Black Demon is said to be 20-60 feet long and weighing anywhere between 50-100,000 lbs! It is said to resemble a great white, but with very dark coloration and a truly monstrous tail….
| Black Demon | |
|---|---|
| Type | Oceanic Cryptid, possible Megalodon |
| First Sighting | Unknown |
| Last Sighting | Unknown |
| Country | Mexico |