Page 239 - (DK Eyewitness) Travel Guide - Argentina
P. 239

p a t a gonia      237


       The Fossil Finders
       Patagonia’s biggest finds were first spotted by laymen.
       Rancher Guillermo Heredia found Argentinosaurus on his
       farm in northwest Patagonia; car mechanic Ruben Carolini
       unearthed Giganotosaurus; and the bones of Dakosaurus    Río Negro
       were found by visitors to northwest Patagonia in 2005.  Río Chubut


                         The first dinosaur eggs
                         were excavated from the
                         world’s largest dinosaur
                         nesting ground in 1997
                         by scientists in Patagonia.   Río Chico
                         Another discovery was
                         by a family in Lamarque
                         in Patagonia.
                                              Patagonia’s Fossil Sites
                                               1  Auca Mahuevo
                                  Raúl Vacca of
                                  Museo        2  Bosque Petrificado José
                                  Paleontólogico   Ormachea (see p233)
                                  Egidio Feruglio    3   Bryn Gwyn
                                  (MEF) in Trelew is a    4  Lago Barreales (see p238)
                                  world expert in the
                                  preparing and    5  Monumento Natural Bosques
                                  mounting of fos­  Petrificados (see p233)
                                  silized skeletons.   6   Plaza Huincul
                                               7  Villa El Chocón (see p239)
                                              Important Events
                                              1989: Argentinosaurus
                                              discovered near Plaza Huincul.
                                  Digging tools and   1995: The huge carnivore
                                  excavation brushes   Giganotosaurus unearthed in
                                  are used to sepa­  Villa El Chocón.
                                  rate the fossil from   1997: Dinosaur embryos with
                                  its entombing sedi­
                                  ments, and then to   skin tissue intact discovered at
                                  clean it.   Auca Mahuevo.
                                              1999: MEF museum opens in
                                              Trelew, showcasing major fossil
                                              finds (see p229).
                                              2000: Field work begins at Lago
                                              Barreales, Argentina’s largest
       How They Looked                        fossil site.
                                              2005: Discovery of Dakosaurus,
       Argentinosaurus had massive            giant marine crocodile.
       limbs and a very long neck             2006: World’s largest­known
       and tail. Giganotosaurus was           terror bird, Phorusrhacid,
       an agile predator with short   The ocean-dwelling Dakosaurus   uncovered in Patagonia.
       arms and powerful legs.
       Dakosaurus andiniensis had   andiniensis  2009: Discovery of a 65 million­
                                              year­old Plesiosaurus in El Calafate.
       fins and a fish­like tail.





                                              A Titanosaurus embryo seen within the
          The herbivore Argentinosaurus   The carnivore Giganotosaurus   surrounding rock
              huinculensis       carolinii





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