#Darwin’s Glyptodon More editing of old images from my first #Evolution artical for @natgeo. Darwin collected this individual fossil in Argentina when he made a land crossing while on his 5 year trip aboard the Beagle. The Glyptodon, was a large, armored mammal of the family Glyptodontidae, a relative of armadillos that lived during the Pleistocene epoch. It was roughly the same size and weight as a Volkswagen Beetle, though flatter in shape. With its rounded, bony shell and squat limbs, it superficially resembled turtles, and the much earlier dinosaurian ankylosaur, as an example of the convergent evolution of unrelated lineages into similar forms. Glyptodon is believed to have been a herbivore, grazing on grasses and other plants found near rivers and small bodies of water. They originated in South America. During the Great American Interchange, a set of migrations that occurred after North and South America were connected by the rising of the volcanic Isthmus of Panama, it migrated into Central America as far as Guatemala. A related genus,Glyptotherium, reached the southern region of the modern USA about 2.5 million years ago. They became extinct about 10,000 years ago, probably from over-hunting. The native human population in their range is believed to have hunted them and used the shells of dead animals as shelters in inclement weather. @RobertClarkphoto @thephotosociety @InstituteArtist

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#Darwin’s Glyptodon More editing of old images from my first #Evolution artical for @ナショナルジオグラフィック.
Darwin collected this individual fossil in Argentina when he made a land crossing while on his 5 year trip aboard the Beagle.
The Glyptodon, was a large, armored mammal of the family Glyptodontidae, a relative of armadillos that lived during the Pleistocene epoch. It was roughly the same size and weight as a Volkswagen Beetle, though flatter in shape. With its rounded, bony shell and squat limbs, it superficially resembled turtles, and the much earlier dinosaurian ankylosaur, as an example of the convergent evolution of unrelated lineages into similar forms. Glyptodon is believed to have been a herbivore, grazing on grasses and other plants found near rivers and small bodies of water. They originated in South America.
During the Great American Interchange, a set of migrations that occurred after North and South America were connected by the rising of the volcanic Isthmus of Panama, it migrated into Central America as far as Guatemala.
A related genus,Glyptotherium, reached the southern region of the modern USA about 2.5 million years ago. They became extinct about 10,000 years ago, probably from over-hunting. The native human population in their range is believed to have hunted them and used the shells of dead animals as shelters in inclement weather. @Robert Clark @thephotosociety @InstituteArtist


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