The vertebrae likely belonged to a mosasaur that was at least 30 feet long. Credit: James Starnes / MDEQ “This is a big animal. The maximum [weight] is about 20,000 pounds,” explained Starnes.

With the trailer launch set for tomorrow, Universal has debuted another action-packed new TV spot, offering even more never-before-seen new footage of the Titanosaurus, Quetzalcoatlus, and Mosasaurus!