Are pterodactyls better than a velosarator?

Did dinosaurs die due to the change in the axis of the earth? How many bones does a t-rex have? Who found out about Dinosaurs? Which dinosaur chromosome determine skin? Where are dragon eggs at in jumpstart? What is an fact about the Triassic period? What were the Basilosaurus predators? Is it possible for a male dinosaur to lay eggs? What is a box of huge rocks? Was Elton John in the band T Rex? What is the value of a Royal Doulton Orchid 61 piece dinner set in very good condition.? How did the Yangchuanosaurus defend itself? What is the exterior body parts of the stegosaurus? What exactly was pangae? What is Spinosaurus? Where can you get pictures of DMT? What is the name of dicon's fox in The Secret Garden? What did the apatosaurus have in its stomach to help its grind up food? What event occured about 250 million years ago and caused about 90 of the species living in the oceanto become extinct? What dinosaurs ate conifers?