A museum new release calls the specimen “unique” because of where it was discovered, the age of the rock around it, and how well it was preserved.
Dino fans: Science GoH is Philip John Currie AOE FRSC, Canadian palaeontologist and museum curator –CPL
CSFFA will be at Pemmi-Con
Pemmi-Con* is happening in Winnipeg 20-23 July, 2023.
Eight of the nine Pemmi-Con Guests of Honour and the Toastmaster are Canadian. They are Julie E. Czerneda; Waubgeshig Rice; Nisi Shawl; John Mansfield; Philip John Currie AOE FRSC, Canadian palaeontologist and museum curator; Lorna Toolis, Ghost Guest of Honour; katherena vermette; George Freeman; Tanya Huff.
The Pemmi-Con website: https://main.pemmi-con.ca/
*Pemmi-Con is the 2023 NASFiC (North American Science Fiction Convention). NASFiCs occur in a North American city in a year when Worldcon is happening elsewhere than in North America.
From CTV :
In all its ‘90s CGI glory, the first “Jurassic Park” movie depicted a field of roaming sauropods – those giraffe-looking dinosaurs – with the film’s iconic theme song ascending.
The cinematic moment captured the imagination of viewers, but new evidence suggests that Steven Spielberg’s dino-flick got one detail wrong – namely, the sauropods’ feet.
In a digital reconstruction study, led by scientists from University of Queensland and Monash University, 3D modelling was used to test the function of foot bones of different sauropods. Their research was fuelled by a simple question: How would the dinosaurs’ feet be capable of supporting their weight?
The findings suggest that the hind feet of the sauropod had a soft tissue pad beneath the heel, cushioning the foot to absorb their immense weight. This, researchers say, differs from conceptions that sauropods had feet similar to modern-day elephants.
From Monash University website:
Sauropods were the largest terrestrial animals that roamed the Earth for more than 100 million years.
They were first thought to have been semi-aquatic with water buoyancy supporting their massive weight, a theory disproved by the discovery of sauropod tracks in terrestrial deposits in the mid-twentieth century.
Monash University’s Dr Olga Panagiotopoulou said it had also been thought sauropods had feet similar to a modern-day elephant.
“Popular culture – think Jurassic Park or Walking with Dinosaurs – often depicts these behemoths with almost-cylindrical, thick, elephant-like feet,” Dr Panagiotopoulou said.
“But when it comes to their skeletal structure, elephants are actually ‘tip-toed’ on all four feet, whereas sauropods have different foot configurations in their front and back feet.
“Sauropod’s front feet are more columnar-like, while they present more ‘wedge high heels’ at the back supported by a large soft tissue pad.”
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Scientists have announced the discovery of a perfectly preserved dinosaur embryo that was preparing to hatch from its egg, just like a chicken.
The embryo was discovered in Ganzhou in southern China and researchers estimate it is at least 66 million years old.
It is believed to be a toothless theropod dinosaur, or oviraptorosaur, and has been named Baby Yingliang.
Researcher Dr Fion Waisum Ma said it is “the best dinosaur embryo ever found in history”.
The discovery has also given researchers a greater understanding of the link between dinosaurs and modern birds. The fossil shows the embryo was in a curled position known as “tucking”, which is a behaviour seen in birds shortly before they hatch.
“This indicates that such behaviour in modern birds first evolved and originated among their dinosaur ancestors,” Dr Ma told the AFP news agency.
https://www.cnn.com/2021/12/16/europe/dinosaur-tracks-poland-scli-intl-scn/index.html
Warsaw, PolandHundreds of dinosaur footprints, so well-preserved that even the scaly skin can be seen, have been found in Poland, giving an insight into a complex ecosystem around 200 million years ago, geologists said.
And it’s massive! View the video posted on BBC
Scientists have identified a new species of dinosaur from parts of a skeleton found in northern Chile.
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The creature’s remains were unearthed in the Atacama desert – the world’s driest – near the city of Copiapó.
Experts say the plant-eating titanosaur had a small head and long neck, and an unusually flat back.
Studies suggest the creature lived in what would then have been a lush landscape of flowering plants, ferns and palm trees.
A team led by Chilean geologist Carlos Arévalo unearthed the remains in the 1990s and carried out research in the 2000s. The findings, published in the journal Cretaceous Research, were made public on Monday.
The remains, according to the team, included parts of a humerus, a femur and the ischium, and vertebral elements of the neck and back. They represent a small sub-adult individual, with an estimated length of 6.3m (20ft).
Scientists are celebrating the first discovery of a dinosaur preserved while sitting on a nest of eggs with fossilized embryos, including at least three that were visible.
The oviraptorosaur fossil was uncovered from rocks that are 70 million years old in Ganzhou City, China, the Carnegie Museum of Natural History (CMNH) said in a news release in January.
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Paleontologists discover oldest known fossils of Ninjatitan dinosaur in Argentina, confirming a theory that the Titanosaurs may have evolved first in what is now South America.
Ninjatitan zapatai lived approximately 140 million years ago (Early Cretaceous epoch) in what is now Patagonia, Argentina.
Ninjatitan zapatai. Image credit: Jorge González.
Ninjatitan zapatai belongs to Titanosauria, a diverse group of sauropod (long-necked plant-eating) dinosaurs.
This group includes species ranging from the largest known terrestrial vertebrates to ‘dwarfs’ no bigger than elephants.
“During evolutionary history, sauropods had different moments, different pulses of gigantism, which were not only related to the group of titanosaurs,” said Dr. Pablo Ariel Gallina, a paleontologist at the Fundación Azara in Maimonides University and CONICET.
http://www.sci-news.com/paleontology/ninjatitan-zapatai-09400.html
(CNN)Fossils of a duckbill dinosaur have been discovered in Africa, leading experts to believe the species once traveled hundreds of kilometers across oceans to reach the continent.