page_title: List of the Mesozoic life of Arizona
section_title: H
hierarchical_section_title: List of the Mesozoic life of Arizona / H
caption_attribution_description: English: Skull of Hadrokkosaurus bradyi in the New Mexico Museum of Natural History and Science. Cropped version of File:Metoposaurs.jpg.
context_page_description: This list of the Mesozoic life of Arizona contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Arizona and are between 252.17 and 66 million years of age.
context_section_description: †Hadrokkosaurus – type locality for genus
  †Hadrokkosaurus bradyi – type locality for species
  †Hamites
  †Hamites simplex
  †Hamulus
  Hemiaster
  †Hemiaster jacksoni – or unidentified comparable form
  †Hesperosuchus – type locality for genus
  †Hesperosuchus agilis – type locality for species
  Homarus
  †Hopiichnus – type locality for genus
  †Hopiichnus shingi – type locality for species
  †Hybodus
caption: Fossilized skull of the Middle Triassic amphibian Hadrokkosaurus
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