• Parasaurolophus walkeri skeletal, curtosy of Scott Hartman.
  • The crest of P. walkeri.
  • P. cyrtocristatus skeletal, curtosy of Scott Hartman.
  • P. cyrtocristatus
  • Parasaurolophus "Joe" skeletal, curtosy of Scott Hartman.
  • "Joe"
  • "Joe" size compared to adult.
  • Comparison of P. walkeri and P. cristatus.
{This page is under construxction.}. Parasaurolophus
is a genus of hadrosaurid iguanodont from the campanian of what is now North America, about 76-73 million years ago. It was a herbivore, that like other hadrosaurs, was falculaitve quadraped. Three species are recognized: P. walkeri (the type species), P. tubicen, and the short-crested P. cyrtocristatus. Remains are known from Alberta (Canada), New Mexico and Utah (USA). It was first described in 1922 by William Parks from a skull and partial skeleton in Alberta.

Parasaurolophus is a hadrosaur, part of a diverse family of Cretaceous dinosaurs known for their range of bizarre head adornments. This genus is known for its large, elaborate cranial crest, which at its largest forms a long curved tube projecting upwards and back from the skull. Charonosaurus from China, which may have been its closest relative, had a similar skull and potentially a similar crest. The crest has been much discussed by scientists; the consensus is that major function of it's crest was display, and comunication. It is one of the rarer duckbills, known from only a handful of good specimens.

Recently, in 2013, a specimen called "Joe" was found, a nearly complete specimen of a juvinile.

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