Alternate Dinosaurs

The Story
65 MYA, a massive meteor crashed onto Mexico's Yucatan coast, wiping out all dinosaurs (except birds).

But what if this mass extinction never happened. If that was true, the dinosaurs would've still ruled. Meanewhile, the mammals would've had no chance to get larger, as a result, they stayed small.

Dinosaurs
These dinosaurs went extinct These are still around in the alternate present
 * Stegosaurs
 * Diplodocids
 * Camarasaurs
 * Brachiosaurs
 * Megalasaurs
 * Alternate Dinosaurs: Therizinosaurs
 * Alternate Dinosaurs: Dromeosaurs
 * Alternate Dinosaurs: Titanosaurs
 * Alternate Dinosaurs: Hadrosaurs
 * Alternate Dinosaurs: Tyrannosaurs
 * Alternate Dinosaurs: Ceratopsians
 * Alternate Dinosaurs: Birds