The largest-ever dinosaur fossil is a long-necked one

The remains of a massive new species of long-necked herbivorous dinosaur were found in Patagonia by Argentine paleontologists, who claim the creature is one of the biggest ever found.

The discovery at the Pueblo Blanco Nature Reserve was made by researchers in 2018, and was announced on Thursday, May 16, 2023. The van transporting the dinosaur's bones to a laboratory in Buenos Aires toppled due to the size of the bones, but no one was hurt, and the dinosaur's remains were unharmed.

The dinosaur was given the name "Chucarosaurus Diripienda," which means hard-boiled and scrambled, by scientists since it had turned around and survived the crash, according to paleontologist Nicolas Chimento.

The largest dinosaur ever found in the province of Rio Negro, the Chucarosaurus weighs 50 tonnes and is 30 meters in length. It would have coexisted with fish, sea turtles, and predators throughout the Late Cretaceous period.

The 1.90-meter-long femur bone of the Chucarosaurus was divided into three segments, each of which weighed more than 100 kilograms and needed at least three people to pick it up, according to researchers.

The largest plant-eating dinosaurs yet unearthed, including the gigantic Patagotitan mayorum, lived in Patagonia, but scientists are still unsure of why certain species there grew so quickly and, in some cases, did not stop expanding throughout their lifetimes.

Although the sauropod Chucarosaurus equaled other Patagonian giants in height and weight, the traits of its hips, forelimbs, and hindlimbs suggested it was more slender and graceful. This was according to paleontologist Matias Motta.

Argentina, which ranks among the top three countries in the world for research and discoveries, along with China and the United States, has identified about 140 dinosaur species.

Researchers from the Azara Foundation, the National Research Council Conicet, and the Bernardino Rivadavia Museum of Natural Sciences conducted the study with funding from the National Geographic Society.

Source: https://buenosairesherald.com/society/scie...

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New 'gigantic' dinosaur species have been discovered in Australia

A new species of enormous dinosaur was discovered, according to Australian paleontologists. The bones suggest the beasts may have been two stories tall and as long as a basketball court.

Paleontologists carrying a 3D-reconstructed humerus of Australotitan cooperensis in Queensland, Australia

The discovery of a new species of sauropod dinosaur, which may be among the biggest to have ever lived, has been confirmed by paleontologists in Australia.

The identification of the Australotitan cooperensis species is an important step in a 15-year journey that began with the discovery of the first bones of the species in 2006 on a family farm in the Eromanga Basin, around 1,000 kilometers (620 miles) west of Brisbane.

What do we know about the novel dinosaur species?

Informally, the dinosaur is referred to as "Cooper" after the nearby creek where the bones were found. The estimated size of the creature was 20 to 30 meters (65 to 98 feet) long and 5 to 6.5 meters (16 to 21 feet) height. This implies that the dinosaur species would have been two stories tall and as long as a basketball court.

Only in South America have the remains of a dinosaur this size before been discovered. "Cooper" is one of the top five largest dinosaur species yet found.

"Discoveries like this are just the tip of the iceberg," declared paleontologist Scott Hocknull, curator of the Queensland Museum and senior author of a study about the dinosaur that was released this week.

He pointed out that larger examples have yet to be found since it was thought that theropods, which were even bigger, preyed upon the plant-eating sauropods.

The new Australotitan species is thought to have existed between 92 and 96 million years ago, during the Cretaceous period, when the Australian continent was still connected to Antarctica.

Students pose for photos with a replica of femur from the Australotitan cooperensis in Eromanga, Queensland, Australia

How did the find come about?

On the farm owned by her family, rancher Robyn Mackenzie and her husband made the discovery 15 years ago while grazing cattle. Since then, she has developed into a field paleontologist and established the dinosaur's home, the Eromanga Natural History Museum.

The Queensland Museum and modern digital technologies collaborated to create the first 3D scan of each bone. The scans made it possible to compare the bones to those of other species, enabling researchers to identify particular traits.

The confirmation that A. cooperensis was a new species, according to Hocknull, was a "very long and painstaking task."

Mackenzie hopes that the find would bring visitors to her own country. In 2007, the bones were initially put on exhibit.

Source: https://corporate.dw.com/en/new-gigantic-d...

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