Perhaps the most familiar example of an evolutionary radiation is that of placental mammals immediately after the extinction of the dinosaurs at the end of the Cretaceous, about 66 million years ago.
The genus rapidly diversified during the Albian into a number of morphologically distinct lineages that seem to have given rise to at least three other families of heteromorphs, the Baculitidae, Turrilitidae, and Scaphitidae.
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Evaniidae seem to have undergone significant evolutionary radiation in the Cretaceous; these taxa were separated as Cretevaniidae, but seem to be a subfamily if anything.