![]() Steve Backshall focuses on the biggest dinosaurs to have walked the Earth. These features serve to make this enormous dinosaur look even larger than it was, even though its tail is proportionately shorter than that of many other sauropods. Deadly Dinosaurs with Steve Backshall - Series 1: 9. 3) CARCHARODONTOSAURUS SAHARICUS (15 tons) and 2) CARCHARODONTOSAURUS IGUIDENSIS (over 15 tons) - First described by Ernst. This species is characterized by its extremely long neck, and disproportionately tiny head. DINOSAURS HAD SHORTER DAYS AND LONGER YEARS, ACCORDING TO NEW STUDY. Fortunately, despite the shambles that many Brachiosaurus Altithorax skeletons were found in, the discoveries did include a skull–a piece of the puzzle that commonly goes missing during the fossilization process. (Image credit: Museum of Paleontology Egidio Feruglio) In southern Argentina, scientists discovered the remains of seven adult dinosaurs that lived 95 million years ago. This impressive dinosaur has actually been studied from rather few remains, many of which were found scattered about. The second half of its name means “deep chest,” in reference to the signature sternum that gave this species its proud appearance. ![]() The front legs were noticeably longer than the back legs, hence their prominence in the dinosaur’s name. The first name of the Brachiosaurus Altithorax is Greek for “arm lizard,” and hearkens to the dinosaur’s long legs. ![]()
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