Machairodus giganteus, saber-toothed cat Dilophosaurus accounting for as many as

accounting for as many as 95% of the total individuals in some fossil beds

and South Africa

The white lines are representative of fractures healed with calcite in the original specimen

Mammuthus primigenius was the true Woolly Mammoth

Allosaurus leg with armature

Machairodus giganteus, saber-toothed cat Dilophosaurus accounting for as many asMachairodus is a genus of large machairodontine saber toothed cats that lived in Africa, China, Eurasia and North America during the late Miocene 4. 5 to 5 million years ago. It is the animal from which the subfamily Machairodontinae gets its name and has since become a wastebasket taxon over the years as many genera of saber tooth cat have been and are still occasionally lumped into it. In general Machairodus was similar in size to a modern lion or