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dinosaur fossils

Huge Dinosaur Footprints Found in England

by Chief editor of world-today-news.com February 19, 2023

written by Chief editor of world-today-news.com

Largest Dinosaur Footprints Found in England. PHOTO/ DAILY MAIL

LONDON – Dinosaur footprints which is believed to have lived approximately 166 million years ago, was found in Yorkshire, England. The size of this footprint broke the record of all finds on the Yorkshire coast.

READ ALSO – Archeology Finds Dinosaur Footprints 100 Million Years Old in China

The footprints, measuring over a meter long, are the largest footprints ever found in the Yorkshire area.

The Yorkshire coast is renowned for producing some visually and scientifically significant fossils, including thousands of dinosaur footprints and tracks. A popular destination for professional paleontologists and fossil enthusiasts, people come from far and wide to see what they can find.

This footprint is one of only six such prints that have been recorded in the area, the first of which was identified in 1934. This footprint is a very significant fossil find, not only are tridactyl prints rare, but they are the largest fossil tracks found. . in Yorkshire to date.

“This important find adds further evidence that carnivorous giants once roamed this area during the Jurassic. The type of footprints, combined with their age, suggest they were made by a ferocious Megalosaurus-like dinosaur, with a possible hip height of between 2.5 and 3 meters.” said British geologist Dr Dean Lomax. as reported by the Daily Mail.

Megalosaurus (M.bucklandii), was the first dinosaur to be formally described (1824). About a hundred different genera of dinosaurs have been described from fossils found in the British Isles.

So important were the dinosaur fossils from England that Dr Lomax was inspired to write a book documenting the extensive dinosaur fossil discoveries that have been made on these islands.

(wbs)

February 19, 2023 0 comments

Health

This animal looks like a bird, but has a strange dinosaur bone

by Chief editor of world-today-news.com January 6, 2023

written by Chief editor of world-today-news.com

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Illustration by Cratonavis zhui showing the physiology of dinosaurs and birds. Photo: ist

JAKARTA – The scientist has just analyzed the sample single fossil . Its age is 120 million years. Physically, the fossil animal is shaped like a bird. But, they have dinosaur skulls and bones. The research was revealed in the latest journal Nature Ecology & Evolution.

Paleontologists suspect, this specimen will respond if the birds really come dinosaur .

Modern birds are now thought to be descended from large carnivorous dinosaurs called theropods that lived between 245 million and 65.5 million years ago. Included, Tyrannosaurus Rex.

However, scientists have not yet found an answer to how these changes occur.

This last fossil is called Cratonavis zhui. Scientists classify it as a cross between the long-tailed reptile Archeopteryx and today’s birds, Ornithothoraces.

Archeopteryx is known as the only fossil link between birds and dinosaurs. Why, having the feathery wings of a bird but the back of an angular, bony dinosaur.

Over time, more and more bird-like past reptiles began to emerge.

In the 1990s, scientists announced a classification of ornithothoraxes that included all modern birds and their closest ancestors.

The Chinese Academy of Sciences, the discoverer of the Cratonavis zhui fossil, conducted research using high-resolution computed tomography or CT scans.

The technology allowed them to digitally manipulate the specimen’s bones and reconstruct the original shape of the skull.

Indeed, deducing some of the functions related to dinosaurs. They also analyzed Cratonavis’ scapula, or scapula, and metatarsus, the long bone in the foot that connects the ankle to the toe, to understand more about the fossil’s bird-like body.

The study’s conclusions suggest that the skull of Cratonavis is morphologically nearly identical to that of dinosaurs such as Tyrannosaurus rex, rather than that of ordinary birds.

“The primitive skull features indicate that most Cretaceous birds such as Cratonavis were unable to move their upper beak independently due to the presence of a braincase and mandible,” said Li Zhiheng , the lead author of the study.

The scapula of the animal, on the other hand, is important for the flight of a bird. This means that it helps Cratonavis show great stability and flexibility during flight. More research will continue to be done to answer whether T. rex is the ancestor of animals like chickens.

(And)

January 6, 2023 0 comments

Health

First Evidence of Dinosaurs Eating Mammals, Study Explains Page all

by Chief editor of world-today-news.com December 24, 2022

written by Chief editor of world-today-news.com

KOMPAS.com – An international team of researchers has found the first evidence dinosaur who eats mammals. This was revealed after researchers re-examined fossils found more than 20 years ago.

First find of evidence dinosaurs eat mammals was later published in Journal of Vertebrate Paleontology.

Quoted from physicist, Thursday (12/22/2022) this study builds on the fossil record Microraptor zhaoianus in 2000 which was discovered in the Jiufotang Formation in western China.

At the time, the research team dated the fossil to around 120 million years ago and noted that the fossil was missing most of its core, but the ribs were intact.

Microraptor was a three-toed carnivorous dinosaur native to the Early Cretaceous Period.

They lived in trees and were very small compared to other dinosaurs. About the size of a modern house cat.

Some Microraptor species had feathers that they may have used to glide down from perches in trees.

In a repeat study, researchers discovered something interesting dinosaur fossils Microraptor, or evidence of the existence of other fossils that belong to small mammals.

A small fossilized mammalian foot was found just behind the rib cage, evidence that the larger dinosaur Microraptor had preyed on mammals the size of mice.

In previous studies, researchers had noted that other small creatures had been eaten by dinosaurs, such as snakes, scalemates and birds, but they had never shown any evidence of eating mammals.

The lack of mammalian remains found in the stomachs of dinosaur fossils is likely due to their rarity and not an indication that mammals were a scarce food.

In addition, the researchers also studied mammalian foot remains found in Microraptor. But so far they have not been able to identify what kind of mammal.

They noted that the mammal’s feet were found to have slender toes similar to those of modern opossums but shorter.

The researchers also examined whether dinosaurs actively chased and ate mammals or simply encountered them while foraging for food.

But the researchers noted that if Microraptor had some sort of wing it would allow it to swoop down and catch small creatures like those found in its gut.

This matches the team’s analysis. Reported by Gizmodo, the team found that the tiny creatures weren’t very good climbers.

“The feet of the mammals found appear to be completely intact and therefore would be an indication that they were swallowed by Utah. But how many mammals were ingested is not known but there were many other unidentified bones around the legs on the ribs so I suspect Microraptor ate more mammals,” said Hans Larsson, a McGill University paleontologist and lead author of the study.

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December 24, 2022 0 comments

Technology

This dinosaur uses a hammer-like tail to fight against everyone

by Chief editor of world-today-news.com December 14, 2022

written by Chief editor of world-today-news.com

KOMPAS.com – Research reveals it dinosaur ankylosaurus use its hammer-like tail to fight with each other and also to fend off attacks from predators such as tyrannosaurus rex.

The findings were obtained after researchers found fossils of herbivores that lived 76 million years ago.

This discovery also changes how scientists understand dinosaurs and how they used their tails.

Reported by CNN, on Tuesday (12/13/2022) the ankylosaurus had bone plates of various sizes and shapes all over its body that looked like large fingernails.

While examining the fossils, the researchers found nail-like scars on the sides of the dinosaur’s bodies that they believe were caused by impacts ankylosaurus tail other.

This has led researchers to suggest that ankylosaurs could use their tails as weapons to assert social dominance, establish their own territory, or even fight for mates.

Ankylosaurus who used their tails to fight each other similar to animals like deer and antelopes who use their horns to fight today.

Also, fossils Ankylosaurus tail and his skull was discovered in 2017 at an excavation site in the Judith River Formation in northern Montana.

Paleontologists then worked for years to free the fossil from the 35,000 kilos of sandstone that covered it.

Dinosaur fossils it was so well preserved that remnants of skin and bone armor remain on the dinosaur’s back and sides, making it look remarkably realistic.

When analyzed the ankylosaurus suffered a rather severe wound at the end of its life near the hip but was able to heal.

However, due to the location of the wounds on the body, the researchers don’t believe they were caused by a predator attack.

Instead, the pattern looks like a wound created by the powerful blow of another ankylosaurus’ hammer tail.

“I’ve been interested in how ankylosaurs used their tails for many years and this is a very exciting new piece of the puzzle,” said Victoria Arbor, lead author of the study and curator of paleontology at Royal British Colombia in Victoria, Canada.

So far, researchers have argued that ankylosaur tails were used to provide resistance to predators. And this new fossil discovery is remarkable in filling that knowledge gap.

“The well-preserved skin offers a glimpse into what ankylosaurs might have looked like in life, while the wounds they sustained tell us how they behaved and interacted with other animals in ancient environments,” added David Evans, co-author of the Royal Museum study. of Ontario in Toronto.

Studies on the tail of the ankylosaurus dinosaur used for fighting were published in the magazine Biology Letters.

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December 14, 2022 0 comments

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