article_snippet.sent: But despite the 'thunder lizard' being deep rooted in popular culture, for more than a century scientists believed The long-necked dinosaur never existed.
article_snippet.sent: The main shape of the tree supported what other paleontologists had previously proposed.  
article_snippet.sent: Pictured is the revised family tree .
article_snippet.sent: Colleague Emanuel Tschopp, from Nova de Lisboa University in Portugal, said: 'Colleague Emanuel Tschopp, from Nova de Lisboa University in Portugal research would not have been possible at this level of detail 15 or more years ago. '
article_snippet.sent: However, he reconstruction, based on evidence from another long-necked dinosaur, Camarasaurus, was later found to be wrong.
article_snippet.sent: But researchers argue the to resurrect Brontosaurus was not a matter of personal preference . '
article_snippet.sent: It's the classic example of how science works', said Professor Mateus, a collaborator on the research. '
article_snippet.sent: Especially when hypotheses are based on fragmentary fossils, it is possible for new finds to overthrow years of research.'
highlights_snippet.sent: Since 1903, scientists have been claiming Brontosaurus doesn't exist .
  