page_title: List of the prehistoric life of Massachusetts
section_title: O
hierarchical_section_title: List of the prehistoric life of Massachusetts / Mesozoic / O
caption_attribution_description: English: Crop of file in filename
context_page_description: This list of the prehistoric life of Massachusetts contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Massachusetts.
context_section_description: †Ornithichnites – type locality for genus
  †Ornithichnites giganteus – type locality for species
  †Ornithoidichnites
  †Ornithoidichnites cuneatus – type locality for species
  †Ornithoidichnites giganteus
  †Ornithoidichnites lyellii – type locality for species
  †Ornithopus
  †Ornithopus adamsanus – type locality for species
  †Otouphepus
  †Otouphepus minor – type locality for species
   †Otozoum – type locality for genus
  †Otozoum minus – type locality for species
  †Otozoum moodii – type locality for species
caption: Fossil from Dinosaur State Park and Arboretum of the Late Triassic-Middle Jurassic sauropodomorph dinosaur footprint ichnogenus Otozoum
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