After the Cretaceous – Paleogene extinction event, which saw the demise of the dinosaurs, they transformed from a few small and generalized forms and began to evolve into most of the modern varieties we see today.

After the Cretaceous – Paleogene extinction event, the synapsids ( in the form of mammals ) again became the largest land animals.

After the Cretaceous – Paleogene extinction event, that caused the extinction of dinosaurs, Vancouver Island began to be shaped by volcanic activity, tectonic plate movement, and glacial ice movements.

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