Re: Popular Myth’ . . .
Hmm, dinosaurs reigned on the planet from 270 million to 65 million years ago.
Many species died out long before the K/T event, simply because it's the natural way of evolution.
If the dinosaur definitive extinction dates back to the K/T event, it's perhaps because it seemed quite unusual to paleontologist to see a breakup associated with iridium all around the world.
Raoul