Freak Felids - A Discussion of History's Largest Felines

[Smilodon-Rex]

*This image is copyright of its original author

*This image is copyright of its original author

Giants of Ice Age——American Lion＆Smilodon designed by myself
 @GrizzlyClaws ,  Smilodon populator's size may just equivalent to modern big tiger's subspecies, however, they still heavier than modern lions and tigers, and can also grow into 400 kg. Moreover, Smilodons have the more powerful body than modern lions and tigers since they born.
 American Lions also have the more powerful body than modern felines too, be different from Smilodons, American Lions are taller and their heads are bigger. 
    Here are the bodysize's range of few prehistoric big cats:
Smilodon populator——from 420 to 430 kg
Amphimachairodus giganteus——it may the biggest machairodontinae in history, according to the estimates of 460 mm skull, the weight limit may achieves  450 kg
American lion——from 450 to 465 kg  
Eurasia Cave lion——from 430 to 450 kg
Mosbach lion——from 450 to 493 kg
Ngandong tiger——from 350 to 370 kg
Natodomeri lion——from 350 to 370kg Reply