Dimetrodon, artwork
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Dimetrodon, artwork
Dimetrodon, artwork. Dimetrodon (meaning two-measure tooth ) lived in the early Permian period, around 270 million years ago. It was not a dinosaur, but a pelycosaur (class Synapsida), a primitive ancestor of the mammals. It was a predator that grew to a length of 3.5 metres and weighed about 250 kilograms. It had a large dorsal sail that was believed to be used to regulate its body temperature. Although cold-blooded, Dimetrodon showed early mammalian traits, such as enlarged openings at the back of the skull (fenestra), sharp canine teeth and shearing teeth. It is thought that Dimetrodons and other pelycosaurs gave rise to the therapsids, which were the direct ancestors of the mammals
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Media ID 6369103
© CHRISTIAN DARKIN/SCIENCE PHOTO LIBRARY
Ancestor Carnivorous Dimetrodon Early Early Mammal Ectothermic Evolution Evolutionary Evolutionary Bridge Evolutionary Gap Extinct Fossil Fossil Gap Fossil Vertebrate Fossils Intermediate Intermediate Fossil Intermediate Stage Mammal Like Missing Link Pelycosaur Permian Pre Historic Pre History Precursor Predator Proto Running Sail Synapsid Transitional Transitional Fossil Vertebrates Palaeontology Synapsida
EDITORS COMMENTS
This artwork showcases the majestic Dimetrodon, a fascinating creature that roamed the Earth approximately 270 million years ago during the early Permian period. Despite not being classified as a dinosaur, this pelycosaur (a primitive ancestor of mammals) holds great significance in evolutionary history. Measuring an impressive 3.5 meters in length and weighing around 250 kilograms, Dimetrodon was a formidable predator of its time. One of its most distinctive features was its large dorsal sail, believed to have played a crucial role in regulating body temperature. While it possessed traits commonly associated with cold-blooded animals, Dimetrodon also exhibited early mammalian characteristics such as enlarged skull openings at the back (fenestra), sharp canine teeth, and shearing teeth. Dimetrodons and other pelycosaurs are thought to have paved the way for therapsids – direct ancestors of mammals – through their evolutionary lineage. This remarkable transitional fossil serves as an invaluable link between ancient reptiles and modern-day mammals. The intricate illustration beautifully captures this prehistoric marvel's essence while highlighting important aspects of its biology and paleontology. It symbolizes both our fascination with nature's wonders and our continuous quest to unravel Earth's evolutionary mysteries. As we delve into these mesmerizing fossils from millions of years ago, we gain deeper insights into our own biological origins and appreciate the incredible diversity that has shaped life on our planet over countless generations.
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