New Study Questions The Causes For Gigantism Of Dinosaurs Nov 18, 2013 17:30:20 GMT Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Pincho Paxton on Nov 18, 2013 17:30:20 GMT Link...New Study Questions The Causes For Gigantism Of DinosaursMy theory has lower Gravity, and Particle scalar change for Dinosaur Gigantism, which is also why they became extinct when the surrounding space pressure increased.