Page 73 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)
P. 73

Saltasaurus  Patagotitan

                    With its                                                                                         Titanosaurs
                  long neck,
               Puertasaurus could          The neck of this giant                        Puertasaurus
                                          titanosaur was up to 30 ft
               reach food more             (9 m) long, and its total
                                            length may have been
                than 49 ft (15 m)        anything up to 98 ft (30 m).
                     high.

































                           The skull of this dinosaur has               Nemegtosaurus
                           never been found, so scientists
                           have had to base this
                           reconstruction on the fossil
                           remains of close relatives.


                     Known from a single skull found in the
                    Gobi Desert of Mongolia, this titanosaur is
                     70 million years old, making it one of the
                       last giant dinosaurs to walk the Earth.






           same bones that form the palms of our hands.         Many titanosaurs also had a feature not seen
           Titanosaurs had unusually broad chests, and this     in earlier sauropods—body armor. The skin of
           meant that their forelimbs were spaced wide          Ampelosaurus, for example, was studded with
           apart; trackways of fossilized titanosaur            tough, bony plates and spikes called osteoderms,
           footprints are easy to recognize because the         which would have helped protect it from the
           marks left by their feet are so widely spaced.       teeth of big predators.                               71





   US_068-071_Titanosaurs.indd   71                                                                              24/04/18   5:39 PM
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