On Gryposaurus Notabilis, a New Genus and Species of Trachodont Dinosaur from the Belly River Formation of Alberta, with a Description of the Skull of Chasmosaurus Belli - Počet stran: 155 |
On Gryposaurus Notabilis, a New Genus and Species of Trachodont Dinosaur from the Belly River Formation of Alberta, with a Description of the Skull of Chasmosaurus Belli - Počet stran: 155 |