page_title: List of the Cenozoic life of Kansas
section_title: O
hierarchical_section_title: List of the Cenozoic life of Kansas / O
caption_attribution_description: English: Crop of file in filename
context_page_description: This list of the Cenozoic life of Kansas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Kansas and are between 66 million and 10,000 years of age.
context_section_description: Odocoileus
  Ogmodontomys
  †Ogmodontomys poaphagus – type locality for species
  †Ogmodontomys sawrockensis – type locality for species
  †Ogmophis
  †Ogmophis pliocompactus – type locality for species
  Ondatra
  †Ondatra annectens
  †Ondatra idahoensis
  †Ondatra meadensis
  †Ondatra zibethicus
  Onychomys
  †Onychomys gidleyi – type locality for species
  †Onychomys hollisteri – type locality for species
  †Onychomys leucogaster – or unidentified comparable form
  †Onychomys martini
  †Onychomys pedroensis
  Ophisaurus
  †Ophisaurus attenuatus
   Ortalis
  †Ortalis affinis – type locality for species
  Oryzomys
  †Oryzomys palustris
caption: A living Ortalis, or chachalaca
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