Hi, See the Top 10 Extinct Animals.

Gorgonopsia:
Gorgonopsia is an extinct clade of sabre-toothed therapsids from the Middle to Upper Permian roughly 265 to 252 million years ago. They are characterised by a long and narrow skull, as well as elongated upper and sometimes lower canine teeth and incisors which were likely used as slashing and stabbing weapons.

Dickinsonia:
Dickinsonia is a genus of extinct organism that lived during the late Ediacaran period in what is now Australia, China, Russia and Ukraine, most likely a basal animal. It is one of the best known members of the Ediacaran biota. The individual Dickinsonia typically resembles a bilaterally symmetrical ribbed oval.

Haikouichthys:
Haikouichthys is an extinct genus of craniate that lived 518 million years ago, during the Cambrian explosion of multicellular life

Astraspis :
Astraspis is an extinct genus of primitive jawless fish from the Ordovician of Central North America including the Harding Sandstone of Colorado and Bighorn Mountains of Wyoming. It is also known from Bolivia.

Pneumodesmus newmani:
Pneumodesmus newmani is a species of myriapod that lived during the late Wenlock epoch of the Silurian period around 428 million years ago.

Nothosaurus :
Nothosaurus is an extinct genus of sauropterygian reptile from the Triassic period, approximately 240–210 million years ago, with fossils being distributed from North Africa and Europe to China. It is the best known member of the nothosaur order

Scutosaurus :
Scutosaurus is an extinct genus of pareiasaur parareptiles. Its genus name refers to large plates of armor scattered across its body. It was a large anapsid reptile that, unlike most reptiles, held its legs underneath its body to support its great weight

Dimetrodon :
Dimetrodon is a genus of non-mammalian synapsid that lived during the Cisuralian age of the Early Permian period, around 295–272 million years ago. It is a member of the family Sphenacodontidae.

Jaekelopterus :
Jaekelopterus is a genus of predatory eurypterid, a group of extinct aquatic arthropods. Fossils of Jaekelopterus have been discovered in deposits of Early Devonian age, from the Pragian and Emsian stages.

Titanichthys :
Titanichthys is an extinct genus of giant, aberrant marine placoderm from shallow seas of the Late Devonian of Morocco, Eastern North America, and possibly Europe. Many of the species approached Dunkleosteus in size and build.

Regards,
Vaan Veli
Santhosh

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Hi,
டயனோசர்களின் கடைசி நொடிகள் | Last Moment of Dinosaurs #dinosaur #vaanveli

Impact Event: The most widely accepted theory is that around 66 million years ago, a large asteroid or comet, estimated to be about 6 miles (10 kilometers) in diameter, collided with Earth. This impact event is believed to have occurred in what is now the Yucatán Peninsula in Mexico and created the Chicxulub crater. The energy released in the impact would have caused massive fires, tsunamis, and a "nuclear winter" effect, with debris and soot blocking sunlight for an extended period.

Immediate Consequences: The impact would have caused massive wildfires across the globe, releasing a tremendous amount of soot and gases into the atmosphere. This would have led to a sudden drop in temperatures, making it difficult for many species, including the dinosaurs, to survive.

Climate Change: The impact and subsequent environmental changes caused by the impact led to a drastic cooling of the Earth's climate. This would have disrupted ecosystems, causing a decline in plant life, which, in turn, would have affected herbivorous dinosaurs and the predators that relied on them.

Mass Extinction: The combination of factors, including extreme temperature fluctuations, lack of sunlight, and ecological disruption, likely resulted in a mass extinction event. Many species, including the non-avian dinosaurs, went extinct during this time.

Surviving Species: While the non-avian dinosaurs went extinct, some groups of animals, such as birds, small mammals, and reptiles, managed to survive and eventually evolve into the diverse life forms we see today. Birds are the only living descendants of the dinosaur lineage.


Regards,
Vaan Veli
Santhosh



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Truth Behind Animals Sent To Space,
Laika was a normal street dog in Russian country, The aim was to find out how long a dog can survive in space. On 3 November 1957 russians launched Laika into space inside a spacecraft named Sputnik-2. It was a one way ticket for laika because there was no way to bring her back to Earth. Space has no boundaries. You must admit that there is something incredibly attractive and mysterious in this dark surrounding our earth, Some of these interesting facts are amazing yet terrifying at the same time. i am really feld bad about the innocent animals that really what happend to them in the history.

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VaanVeli






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டயனோசர்களின் தோற்றமும் மறைவும் | Evolution of dinosaurs #dinosaur #vaanveli #extinction

Origins and Early Evolution
Triassic Period (approximately 250-201 million years ago):
Archosaurs: Dinosaurs evolved from a group of reptiles called archosaurs. Early archosaurs appeared in the Triassic period, and from them, the first dinosaurs emerged.
Eoraptor and Herrerasaurus: Among the earliest known dinosaurs are Eoraptor and Herrerasaurus, small bipedal predators from South America, dating back to around 231 million years ago.
Major Dinosaur Clades
Jurassic Period (approximately 201-145 million years ago):

Saurischia: This group includes theropods (bipedal carnivores like Tyrannosaurus rex) and sauropodomorphs (long-necked herbivores like Brachiosaurus).
Ornithischia: This diverse group of herbivorous dinosaurs includes stegosaurs (Stegosaurus), ankylosaurs (Ankylosaurus), and hadrosaurs (duck-billed dinosaurs).
Cretaceous Period (approximately 145-66 million years ago):

Diversification: Dinosaurs reached their peak diversity during the Cretaceous. Major groups like ceratopsians (Triceratops) and theropods, which later gave rise to birds, flourished.
Bird Evolution: Theropod dinosaurs, particularly a group called maniraptorans, evolved into birds. The famous Archaeopteryx is often cited as a transitional fossil between non-avian dinosaurs and birds.
Extinction and Legacy
Cretaceous-Paleogene (K-Pg) Extinction Event (approximately 66 million years ago):
Mass Extinction: A catastrophic event, likely an asteroid impact, led to the extinction of most dinosaur species. However, avian dinosaurs (birds) survived and are their direct descendants.

Climate Change: The impact and subsequent environmental changes caused by the impact led to a drastic cooling of the Earth's climate. This would have disrupted ecosystems, causing a decline in plant life, which, in turn, would have affected herbivorous dinosaurs and the predators that relied on them.

Mass Extinction: The combination of factors, including extreme temperature fluctuations, lack of sunlight, and ecological disruption, likely resulted in a mass extinction event. Many species, including the non-avian dinosaurs, went extinct during this time.

Surviving Species: While the non-avian dinosaurs went extinct, some groups of animals, such as birds, small mammals, and reptiles, managed to survive and eventually evolve into the diverse life forms we see today. Birds are the only living descendants of the dinosaur lineage.

Adaptive Radiation: Dinosaurs adapted to various ecological niches, leading to a wide range of forms and sizes, from tiny, feathered theropods to enormous sauropods.
Feathers and Flight: Many theropods had feathers, initially for insulation or display, which eventually evolved for flight in the ancestors of birds.
Social Behavior: Evidence of social behavior, such as nesting sites and herd movement, suggests complex behaviors among some dinosaur species.


Regards,
Vaan Veli
Santhosh



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