What geological event is closely linked in timing to the split between *Eospalax* lineages?

Answer

Qinghai-Tibet Plateau uplift event

Molecular divergence time estimations provide precise insight into evolutionary history, suggesting that the split between the *Eospalax* lineages occurred approximately 3.71 million years ago (Ma). This timing is noted as being remarkably close to the estimated impact of the Qinghai-Tibet Plateau uplift event, which is dated around 3.6 Ma. This proximity strongly suggests that the significant geological and associated ecological transformations resulting from the plateau's uplift may have functioned as a crucial driving force behind the evolutionary divergence of these burrowing specialists into their current distinct genera.

What geological event is closely linked in timing to the split between *Eospalax* lineages?
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