Different teeth structures in the Ailuropoda lineage indicate a mosaic evolution during the past 2 million years.[5] Like modern giant pandas, Ailurarctos had a false thumb that allowed it to grip bamboo, suggesting that the panda's specialized bamboo diet goes back to as early as 6 to 7 million years ago.[6]
^Cite error: The named reference QiuQi1989 was invoked but never defined (see the help page).
^Wang, X., Su, D.F., Jablonski, N.G. et al. Earliest giant panda false thumb suggests conflicting demands for locomotion and feeding. Sci Rep 12, 10538 (2022). https://doi.org/10.1038/s41598-022-13402-y