Wednesday, October 27, 2021

England’s Isle of Wight Was an Isle of Freight with Two Large Dinosaur Predators

Fossils found on a rocky beach show that there was double trouble on England’s Isle of Wight about 127 million years ago, a pair of previously unknown dinosaur predators probably coexisted, both adapted for hunting by the water’s edge .

Scientists on Wednesday announced the discovery of the fossils of two Cretaceous period meat-eaters—both about 30 feet (9 meters) in length and long crocodile-like skulls—in the southwest of the island, one of Europe’s richest places for dinosaurs. is one of. .

They are examples of a type of dinosaur called a spinosaur, which is known for its long and narrow skull, with lots of conical teeth – perfect for catching slippery fish – as well as strong arms and large claws. .

One is named Ceratosuchops inferodios, which means “horned crocodile-faced hell heron.” The name refers to a heron because of that bird’s shoreline-foraging lifestyle. Ceratosuchops had a series of low horns and bumps embellishing its brow area.

The other is named Riparovinator milnere, meaning “Milner’s riverbank hunter”, honoring British paleontologist Angela Milner, who died in August. It may be slightly larger than Ceratosuchops.

According to the study’s lead author and a Southampton PhD student in paleontology, Chris Barker, published in the journal Scientific Reports, each is estimated to weigh about one to two tons, with the skulls around a yard.

“Both would have been shoreline hunters like herons, going out into the water and pressing down quickly to grab things like fish, small turtles, et cetera, and something similar on land, catching baby dinosaurs or the like. London They ate basically anything small they could grab, said study co-author David Hohn, a paleontologist at Queen Mary University of Keya.

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Spinosaurs were part of a broader group of bipedal meat-eating dinosaurs called theropods that included the likes of Tyrannosaurus rex. As paramilitary predators, spinosaurs targeted a variety of prey and lacked the massive, boxier skulls and large serrated teeth of T. rex, which settled North America about 60 million years later.

Ceratosuchops and Riparovenator roamed in a subtropical Mediterranean-like climate bathed in a floodplain environment. Wildfires sometimes devastated the landscape, with fossils of burnt wood found throughout the Isle of Wight cliffs.

With a large river and other bodies of water attracting plant-eating dinosaurs and hosting many bony fish, sharks and crocodiles, the habitat provided Ceratosuchops and Riparovenator plenty of hunting opportunities, Barker said.

The researchers said these two dinosaurs may have lived at the same time, perhaps differed in prey preference, or diverged slightly in time. There was a third roughly contemporary spinosaur named Beryonyx, a fossil of which was discovered in the 1980s, that lived nearby and was roughly the same size, perhaps slightly smaller.

Partial remains of Ceratosuchops and Riparovenator were found near the town of Briston. Ceratosuchops is known from skull material, while Riprovenator is known from both skull and tail material. There are braincase remains for both, which give special information about these creatures.

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This News Originally From – The Epoch Times

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