If the Cretaceous mass extinction had not occurred, which group of animals would probably include the largest land animals today?

Question

Quizplus · Accepted Answer

The Cretaceous mass extinction led to the extinction of many large dinosaurs, which were reptiles. If this event had not occurred, it is likely that reptiles would have continued to evolve into the largest land animals today, as they were the dominant large land animals before the extinction.

If the Cretaceous Mass Extinction Had Not Occurred, Which Group