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09-13-2018, 01:03 AM( This post was last modified: 09-13-2018, 06:30 AM by GrizzlyClaws )
If we follow the comparison based on allometry, then both Pleistocene lion and tiger have developed more prominent mandibular condyle, also more squared mandible.
Then the overall skull structure should also be universal for all Pleistocene big cats to differ from their modern counterparts.
Maybe when the skull had grown into a much larger size, the overall skull structure had been altered in order to sustain a stronger reinforcement?