Hadrosaur Track Site Discovered in Alaska

Research Press Release | September 03, 2014

  • Location of the tracks
    Location of the tracks
  • Denali National Park, Alaska, USA: track site
    Denali National Park, Alaska, USA: track site
  • Fossilized hadrosaur tracks: A=adult, B=sub-adults, C= dinosaur tots, D= skin impression
    Fossilized hadrosaur tracks: A=adult, B=sub-adults, C= dinosaur tots, D= skin impression



Press Release
Key Points

・Discovery of one of the greatest dinosaur tracksites in the world

・Tracks were so well preserved that imprints of the skin from the bottom of the feet were visible

・This discovery clarifies that hadrosaurs lived in groups consisting of 84% adults, 3% sub-adults, and 13% dinosaur tots

・Confirmation that hadrosaurs lived through the winter in the Arctic

TRACKSITE DISCOVERED IN ALASKA (Perot Museum of Nature and Science, 2014.7.8)

Inquiries

Yoshitsugu Kobayashi, Associate Professor, Hokkaido University Museum

TEL: & FAX: +81-11-706-4730

E-mail: ykobayashi@museum.hokudai.ac.jp

Japanese

Link

米国アラスカ州で大量の恐竜足跡化石の発見と北極圏における恐竜の集団行動を解明
Publications

Herd structure in Late Cretaceous polar dinosaurs : A remarkable new dinosaur tracksite, Denali National Park, Alaska, USA (Geology, 2014.6.30)

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