Take a look at the dinosaurs discovered in 2021!

نگاهی به دایناسورهایی که در سال ۲۰۲۱ کشف شدند!

You must be surprised to see the title of today’s article! The title of the topic is absolutely correct. Millions of years after the dinosaurs lived, new species are still being discovered, although there are no living specimens of their ancestors today. More than 66 million years ago, in the last Mesozoic era, two species of “duck-beard” dinosaurs lived in what is now Japan. You may be interested to know that one of these giant vegetarians was introduced earlier this year! This is just one of 42 new dinosaurs to be unveiled in 2021.

On average, paleontologists have discovered more than 45 new dinosaur species each year since 2003. The speed of exploration is stunning. During this golden age of paleontology, scientists have repeatedly changed our understanding of the prehistoric world.

So far this year, about 42 new dinosaur species have been discovered, according to Tom Holtz of the University of Maryland, which maintains a large database of new dinosaur findings. What has caused this acceleration in paleontology? Holtz believes that in the first stage, people are more eager to do research than before, so the earth is studied more explicitly, more teams are formed, and eventually more parts of the world are explored. Today, dinosaur paleontology is a more diverse and universal discipline than ever before. In recent years, science has shown its goodwill to paleontology.

Scientists also have a clearer understanding of the dinosaur “species.” Archaeologists once named iguanodon after tens of millions of years old fossils. Reassessments now show that iguanodons actually include several species, including a new species unveiled in November this year.

In addition, technology allows scientists to make amazing discoveries about known dinosaurs, including details about their scaly skin, gastrointestinal structure and reproduction, cell structure, social displays, and even Nesting some of them in polar regions. These topics are all the result of the advancement of paleontological science in identifying our prehistoric beings. Combined results show how diverse and strange these animals and ancient inhabitants of the earth really were. Without further ado, in this article we are going to introduce you to 10 of the most amazing dinosaurs unveiled by scientists in 2021, so stay tuned for the rest of the article.

Moroccan punk-rock dinosaur with strange spiky ribs

Between 168 million and 164 million years ago, a strange reptile passed through areas in present-day northern Morocco: a huge creature with a special appearance that has protruding ribs, the ribs of which are clearly visible from the animal’s skin.

The only known fossil of the animal, unveiled in Nature Ecology and Evolution in September, is a four-spike rib with a length of about 10.5 inches. Based on the shape and size of the fossil, researchers strongly suspect that the fossil belongs to a type of armored dinosaur called an ankylosaur. The dinosaur is named after Spicomellus afer, after the Latin word “spike”, “collar” and “inhabiting Africa”. Letters are sometimes very strange and complicated.

Spicomellus is the oldest known ankylosaurus and the first to exist in Africa. “If you touch your chest, you feel your ribs, there are muscles at the top of the ribs that allow your arms to move,” said Susanna Midment, a paleontologist at the Natural History Museum in London who led the research on Spicomelus. they give. How could they survive like other species in such a situation that the ribs for these dinosaurs were completely protruding?

Spicomellus arrived at the British Museum through the complex legal trade of Moroccan fossils. After passing through several Moroccan wholesalers, the ribs reached Musa, a British-based fossil seller, who sold the specimen to a museum.

At first, museum staff thought the bone was part of the Moroccan stegos adraticulite because it came from the same area in the country’s Atlas Mountains. In fact, at first these bones looked like one of the previously discovered creatures. Nothing mysterious caught anyone’s attention. But Maidment and his colleagues soon realized that fossils belonged to something new, which made it much more important, and the value of these bones was greatly increased. The Museum of Natural History then entered into a contract with the Sidi Mohammed bin Abdullah University in Morocco, Morocco, to study fossils.

The Maidment team tracked the fossil through the supply chain to the main drilling site he visited in 2019. Driss Ovarhach, one of the study’s authors and a geologist at Sidi Muhammad bin Abdullah University, also visited the site in 2020 to gather vital geological evidence. These data were necessary to confirm such a discovery. According to Maidment, the University of Ouarhache is building a new museum that includes space to store future fossils from the Spicomellus site.

The Mackenzie family has spent many generations running a sheep and cattle farm off the outskirts of southwestern Queensland in southwestern Australia. In 2004, teen Sandy Mackenzie found signs that the farm was once home to ancient Titans.

From 2006 onwards, Mackenzie and a team led by Scott Hacknoll, a paleontologist at the Queensland Museum, periodically excavated the bone bed found on the farm. This is how they discovered Australia’s largest known dinosaur.

The fossils of this animal, called “Cooper”, have been under scientific study for more than a decade, including three-dimensional scans of bone surfaces to learn more about the fossil. That long-term analysis, published in the journal PeerJ in June, confirms that the nearly 95-million-year-old dinosaur is a new species called Australotitan cooperensis.

Australotitan is a titanosaurus, a subset of long-necked sauropods. This category includes the largest animals that have ever walked on land, such as the giant Argentine Patagotitan. The bones above the titanosaur’s legs were at least 6.2 feet long each, and the whole animal is estimated to weigh between 26 and 82 tons during its lifetime. This weight seems more like a myth to a modern creature. But believe it or not, these giants simply took over the earth in the past.

The dinosaur remains are now housed in the new Orumanga Museum of Natural History, founded by the Mackenzies.

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A valuable Mexican dinosaur with a comma-shaped crown

In 2005, Jose and Rodolfo Lopez Spinoza encountered an amazing fossil in the southern Mexican state of Coahuila: It was almost the full tail of a dinosaur that lived about 72 million years ago. A team of Mexican paleontologists visited the site in 2013 to explore its remains and discover more creatures in the process, including its skull. Unveiled in the Cretaceous in May, this dinosaur was unique.

Tlatolophus galorum is a type of herbivorous dinosaur called limbosor. This dinosaur is named because its dramatic crown resembles a tlahtolli; A comma-like symbol in Aztec art that stands for Nahuatl. The name Gallorum is a combination of the surnames Garza and López to honor the people who contributed to the fossil collection. In fact, this is the name of the merger of the people to whom we owe the existence of this work.

Telatolophus probably stretched from the snout to the tail about 26 feet and was about 6.5 feet tall in the buttocks. Based on a well-preserved skull, scientists believe that this animal was a cousin near the symbolic cockroach Parasurolophus. If you have seen the Jurassic Park movie, this dinosaur is drinking lake water at the beginning of the movie.

Tlatolophus is known for its variety of crown shapes. This has probably played an important role in the social life of dinosaurs.

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hell heron and riverbank hunter White Island

Today, the southwest coast of the Isle of Wight is a beautiful sight surrounded by sandstone cliffs. But more than 125 million years ago, this valley-like landscape was like a savannah (home to two giant dinosaurs with shiny, crocodile-like skulls). Fossils found on the island indicate two new species of spinosaurus, explained in the September issue of Scientific Reports. Most of the oldest spinosaurids also lived in present-day Europe, indicating that the ancestral homeland of this group was in the Northern Hemisphere.

Knowing some of the dinosaurs can pave the way for identifying other unknown or anonymous species.

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Toothless Pipskic from Brazil

In November, a Brazilian research team unveiled a significant toothless dinosaur in the journal Scientific Reports. This fossil named Berthasaura leopoldinae is the most complete fossil of its kind and age found in Brazil. Bertasaura was found on rocks 125 to 100 million years old. About 1.5 feet long, this dinosaur was a relatively small and agile animal. Berthasaura also highlights the diverse eating strategies of this group and deepens our knowledge of how ancient dinosaurs lived.

How this toothless creature lived before prehistoric has occupied the minds of scientists.

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Strange Chilean dinosaur with blade-like tail

More than 72 million years ago, the delta of the Patagonia River in Chile was home to a tiny little dinosaur with a unique tail. The fossil skeleton, unveiled in Nature magazine in December, belongs to a new species of small armored dinosaur called the Stegouros Elengassen. The Chilean dinosaur could use its tail as a weapon. This could well justify the dinosaur’s long survival. In other words, the blade-tailed dinosaur has been an unrivaled hunter in the past.

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Two large dinosaurs, a treasure in China’s Petrusor gold mine

rocky outcrops Near Hami, a city in northwest China’s Xinjiang Uygur Autonomous Region, is best known for the incredible fossils of petrusors (bird reptiles that lived next to dinosaurs). But now, for the first time, researchers have found the bones of this dinosaur in these sediments, and these bones belong to two species that have never been seen before.

Discovered in August, the bones were obtained from two types of long-necked sauropods or dinosaurs. One, Silutitan sinensis, is derived from the Chinese word mandarin for the Silk Road, and the other, Hamititan xinjiangensis, is a tribute to the site. The distinctive silhouette vertebrae of the neck are the only pieces of the animal ever found, each between 18 and 21.5 inches long. Also for comparison, the longest neck vertebrae in modern giraffes are less than 11 inches long. This comparison will give you a better view of the grandeur of these creatures, of course, if you have ever seen a giraffe up close or compared its size with that of an animal. The creatures whose bones we find today in the bass of this planet have been unrivaled kings of the earth for many years.

Japanese dinosaur survivor of the last season of the Mesozoic period

In 2004, an amateur fossil hunter named Shingo Kishimoto was looking at the rocks of a cement mine on Japan’s Avaji Island, which turned out to be a remarkable discovery; The dinosaur’s bones show that it lived more than 71 million years ago. Discovered in April, it is the second Japanese dinosaur to have lived during the Maastricht period from 72 million to 66 million years ago. The dinosaur Yamatosaurus izanagii, is named after an ancient term from the Japanese archipelago, as well as a deity in Japanese mythology. So far we know that many emails are based on mythological emails and the names of the people who found them.

This has been the only source of paleontological progress in recent years. Many dinosaur remains can be seen in different parts of the earth. This gives us a better view of the earth’s past and what it has experienced to date. Paleontology is evolving, and scientists and paleontologists hope to find the remains of newer species of dinosaurs by next year.

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