Smilodon is a genus of the extinct machairodont subfamily of the felids. It is one of the most famous prehistoric mammals and the best known saber-toothed cat. Although commonly known as the saber-toothed tiger, it was not closely related to the tiger or other modern cats
@scrub Taken together, says Des Moines University paleontologist Julie Meachen, it's likely that “Smilodon used its very muscular neck and forearms to assist in the kill bite.” Keeping prey pinned down was critical to the process.