How did *Barinasuchus* divide the apex predator role with the aquatic caiman *Purussaurus* in the same region?
Answer
*Barinasuchus* commanded the land while *Purussaurus* dominated waterways.
*Purussaurus* dominated the waterways, creating a separation of apex roles where *Barinasuchus* commanded the land, carving out an ecological niche where its aquatic cousin could not effectively hunt.
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