What is a dianigal?

Did the ocean dinosaurs go extinct at the same time as the land dinosaurs? How long did the reign of the dinosaur last? Do scientists find any fossilized dinosaur skin? Did ankylosaurus live alone or in groups? What kind of scientist studies dinosaurs and ancient life? What shape was pterodactyl? What is the duration of The Tale of Tillie's Dragon? What is the Dinosaur's Humorous Bone? How many water dinosaurs were there? What are somethings scientists now comprehend about utahraptors? When did Rex McCandless die? Who invented mammoths? How many people would have to been alive 200 years ago to make just you? Can you give me a list of all the dragons from dragon drive? What are dinosaurs warmblooded vertebrates called? How do you know there is a dinosaur in the refrigerator? When did dinosaurs first walk on earth? The name of the most common flying dinosaur? What is the most dangerous dinosaur name? When was Giant Hawaiian Darner created?