page_title: List of the Cenozoic life of Virginia
section_title: O
hierarchical_section_title: List of the Cenozoic life of Virginia / O
caption_attribution_description: English: Drawing of a brygmophyseter Deutsch: zeichnung eines Brygmophyseter
context_page_description: This list of the Cenozoic life of Virginia contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Virginia and are between 66 million and 10,000 years of age.
context_section_description: Ochotona
  Ocypode
  Odobenus
  †Odobenus rosmarus
  Odocoileus
  †Odocoileus virginianus
  Odontaspis
  †Odontaspis macrota
  †Odontaspis winkleri
   †Odontopteryx – tentative report
  Odostomia
  Oliva
  †Oliva canaliculata
  †Oliva carolinae
  †Oliva sayana
  Olivella
  †Olivella mutica
  Ondatra
  †Ondatra zibethicus
  Onthophagus
  †Onthophagus janus – or unidentified comparable form
  †Ontocetus – type locality for genus
  †Ontocetus emmonsi – type locality for species
  †Operculodinium
  Opheodrys
  †Opsanus
  Orthoyoldia
  †Orthoyoldia psammotaea
   †Orycterocetus
  †Orycterocetus crocodilinus – type locality for species
  †Osteopygis
  †Osteopygis roundsi – type locality for species
  †Ostracion
  †Ostracion meretrix
  Ostrea
  †Ostrea alepidota
  †Ostrea compressirostra
  †Ostrea raveneliana
  †Ostrea sinuosa
  †Otodus
   †Otodus megalodon
  Otus
  †Otus asio
  †Oxyrhina
  †Oxyrhina retroflexa
  †Oxyura
  †Oxyura jamaicensis
caption: Life restoration of the Miocene sperm whale Orycterocetus
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