ToL Scientific Contributors for Diapsida

• Allan Baker Royal Ontario Museum, Toronto, Ontario, Canada (Charadriiformes)
• Christopher Brochu University of Iowa, Iowa City, Iowa, USA (Crocodylomorpha)
• Joseph W. Brown University of Michigan Museum of Zoology, Ann Arbor, Michigan, USA (Aves)
• Kevin Burns San Diego State University, San Diego, California, USA (Thraupidae)
• Jorge Calvo Museo de Geologia Palentologia, Universitad Nacional del Comahue, Neuquen, Argentina (Sauropoda)
• Kenneth Carpenter Denver Museum of Natural History, Denver, Colorado, USA (Ankylosauromorpha)
• Kevin de Queiroz Smithsonian National Museum of Natural History, Washington, D. C., USA (Squamata)
• Scott V. Edwards Harvard University, Cambridge, Massachusetts, USA (Passeriformes)
• Jacques A. Gauthier Yale University, New Haven, Connecticut, USA (Amniota)
• Frank Gill Retired (Aves)
• John Harshman (Neornithes)
• Thomas R. Holtz, Jr. University of Maryland, College Park, Maryland, USA (Tyrannosauroidea)
• Scott Lanyon University of Minnesota, St. Paul, Minnesota, USA (Neornithes)
• Michel Laurin Muséum National d'Histoire Naturelle, Paris, France (Terrestrial Vertebrates)
• Heather R. L. Lerner University of Michigan, Ann Arbor, Michigan, USA (Accipitridae)
• Irby Lovette Cornell University, Ithaca, New York, USA (Parulidae)
• Emilia P. Martins Indiana University, Bloomington, Indiana, USA (Squamata)
• David P. Mindell California Academy of Sciences, San Francisco, California, USA (Aves, Viruses)
• David Norman University of Cambridge, Cambridge, United Kingdom (Ornithopoda)
• J. Michael Parrish San José State University, San José, California, USA (Archosauria)
• Tod Reeder San Diego State University, San Diego, California, USA (Phrynosomatidae)
• Paul Sereno University of Chicago, Chicago, Illinois, USA (Dinosauria)
• Michael D. Sorenson Boston University, Boston, Massachusetts, USA (Anseriformes)
• David J. Varricchio Montana State University, Bozeman, Montana, USA (Troodontidae)
• Jeffrey Wilson University of Michigan, Ann Arbor, Michigan, USA (Sauropodomorpha)

ToL Treehouse Contributors for Diapsida

• David Bartfai McMaster University
• canada2
• Teresa Dang McMaster University
• Sam Donovan University of Pittsburgh
• eagle1
• emperor1
• emperor2
• Kimberly Franklin University of Arizona
• Craig Ivanyi Arizona-Sonora Desert Museum, Tucson, Arizona, USA
• Gunit Kang McMaster University
• Marissa Krimsky Carnegie Mellon University
• Andrew Moon McMaster University
• Jason Murchie McMaster University
• milespanda21
• milespanda6
• mileszebra18
• mileszebra20
• njsnake1
• ostrichmaddy1
• ostrichmaddy2
• pufferfish12
• Katja Schulz University of Arizona, Tucson, Arizona, USA
• Lisa Schwartz University of Arizona
• Lirain Urreiztieta Arizona Game and Fish Department
• Kitt Vollmer McMaster University

ToL Media Contributors for Diapsida

• Marco Affini University of Siena
• Ciro Albano
• Luis Amador Universidad de Guayaquil
• David Bartfai McMaster University
• Kermit Blackwood
• Cesare Brizio
• David Bygott
• biomech27
• Kenneth Carpenter Denver Museum of Natural History, Denver, Colorado, USA
• Patrick Coin Durham Technical Community College
• Mike Cong Houston Zoo
• canada2
• colugo35
• colugo48
• colugo8
• crocodile1
• Teresa Dang McMaster University
• Kevin de Queiroz Smithsonian National Museum of Natural History, Washington, D. C., USA
• Greg and Marybeth Dimijian
• Sam Donovan University of Pittsburgh
• Selen Ediger
• Scott V. Edwards Harvard University, Cambridge, Massachusetts, USA
• emperor1
• Kimberly Franklin University of Arizona
• geese1
• John Harshman
• Rylan Higgins University of Arizona
• Thomas R. Holtz, Jr. University of Maryland, College Park, Maryland, USA
• Doug Howe
• haustka1
• Katie Jensen McMaster University
• Kiel Kietlinski
• Ted Kropiewnicki Retired
• Scott Lanyon University of Minnesota, St. Paul, Minnesota, USA
• Michel Laurin Muséum National d'Histoire Naturelle, Paris, France
• John G. Lundberg The Academy of Natural Sciences, Philadelphia, Pennsylvania, USA
• lostsnake1
• Danny Mandel University of Arizona, Tucson, Arizona, USA
• Manuel Mejia Universidad de Guayaquil - Escuela de Bilogia
• David P. Mindell California Academy of Sciences, San Francisco, California, USA
• Jason Murchie McMaster University
• Erik Murdock Joshua Tree National Park
• milespanda6
• mileszebra18
• mileszebra2
• mileszebra20
• JORGE ORTEGA GRANDA UNIVERSIDAD DE GUAYAQUIL
• Ostrich1
• ostricho1
• Carlos Antonio Rodríguez Pontificia Universidad Católica del Ecuador
• Katja Schulz University of Arizona, Tucson, Arizona, USA
• Lisa Schwartz University of Arizona
• Caleb Slemmons Colorado State University
• siberiantiger8
• snake1 Havergal College
• Tom Tarrant
• Chris Townsend
• Melissa Urreiztieta
• Lirain Urreiztieta Arizona Game and Fish Department
• Kitt Vollmer McMaster University
• Richard Walton
• Becky Wong McMaster University
• Richard E. Young University of Hawaii, Honolulu, HI, USA

Other Diapsida biologists and enthusiasts

• Leisy Amaya Montano PUC (Bubo)
• Marco Aurélio Barbosa Universidade Federal Fluminense ('Land Birds')
• Dr. Matt Brierley The Hawkshead Science Foundation (Tyrannosauridae)
• Kathryn Burton SavetheMuteSwans.com (Cygnus olor)
• xiaoqiang chen (Bembidion mandibulare, Tyrannosauridae)
• Giorgio Chiozzi Museo di Storia Naturale di Milano (Dromas ardeola)
• Mike Cong Houston Zoo (Phrynosomatidae)
• Osvaldo R. DI IORIO University of Buenos Aires (Furnariidae)
• Dylan Kesler University of Missouri-Columbia (Todiramphus)
• HENRY P. PHILLIPS II PHILLIPS RESEARCH LABORATORY (Ankylosauridae)
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