Dinosaur ichnology and sedimentology of the Chignik Formation (Upper Cretaceous), Aniakchak National Monument, southwestern Alaska; Further insights on habitat preferences of high-latitude hadrosaurs

• Anthony R. Fiorillo ,

  Contributed equally to this work with: Anthony R. Fiorillo, Yoshitsugu Kobayashi, Paul J. McCarthy, Tomonori Tanaka, Ronald S. Tykoski

  Roles Conceptualization, Investigation, Writing – original draft, Writing – review & editing

  * E-mail: anthony.fiorillo@perotmuseum.org

  Affiliation Perot Museum of Nature and Science, Dallas, Texas, United States of America

  http://orcid.org/0000-0002-8998-0820

  ⨯
• Yoshitsugu Kobayashi ,

  Contributed equally to this work with: Anthony R. Fiorillo, Yoshitsugu Kobayashi, Paul J. McCarthy, Tomonori Tanaka, Ronald S. Tykoski

  Roles Investigation, Writing – original draft

  Affiliation Hokkaido University Museum, Hokkaido University, Hokkaido, Japan

  ⨯
• Paul J. McCarthy ,

  Contributed equally to this work with: Anthony R. Fiorillo, Yoshitsugu Kobayashi, Paul J. McCarthy, Tomonori Tanaka, Ronald S. Tykoski

  Roles Investigation, Methodology, Writing – original draft

  Affiliation Department of Geosciences, University of Alaska, Fairbanks, Alaska, United States of America

  ⨯
• Tomonori Tanaka ,

  Contributed equally to this work with: Anthony R. Fiorillo, Yoshitsugu Kobayashi, Paul J. McCarthy, Tomonori Tanaka, Ronald S. Tykoski

  Roles Investigation, Methodology, Visualization, Writing – original draft

  Affiliation Department of Natural History and Planetary Sciences, Hokkaido University, Hokkaido, Japan

  ⨯
• Ronald S. Tykoski ,

  Contributed equally to this work with: Anthony R. Fiorillo, Yoshitsugu Kobayashi, Paul J. McCarthy, Tomonori Tanaka, Ronald S. Tykoski

  Roles Data curation, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing

  Affiliation Perot Museum of Nature and Science, Dallas, Texas, United States of America

  ⨯
• Yuong-Nam Lee ,

  Roles Methodology, Writing – original draft, Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea

  http://orcid.org/0000-0003-1067-6074

  ⨯
• Ryuji Takasaki ,

  Roles Investigation, Methodology, Visualization

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Natural History and Planetary Sciences, Hokkaido University, Hokkaido, Japan

  ⨯
• Junki Yoshida

  Roles Investigation, Methodology, Visualization

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Natural History and Planetary Sciences, Hokkaido University, Hokkaido, Japan

  ⨯