Testudo atlas or Colosoqueli, was the largest turtle. It was, to get a great idea to double that giant tortoises that live today. Reached 2.5 m in length, a height of 1.5 meters and 4 tons.
His legs, like an elephant, were projected on the sides of the body and held the heavy shell of the back. The almoahadillas in the soles of his feet compact distribute the great weight among the five fingers of each leg, with robust claws. It was probably herbivorous and their relatives today. Faced with danger, could get his head and legs in heavy bony armor to protect themselves.
Testudo atlas or Colosoqueli lived in South Asia more than a million years, Pleistocene.
In this video you can see a current Giant Tortoise. It should be intoaccount the Testudo Atlas, could weigh up to more than 15 times its weight.
Curiosity: Although the Testudo atlas or Colosoqueli is the largest turtle that ever lived, not the animal that has existed more shell. This would be the Arquelón 3.7 meters long. This is a sea turtle extinct.