page_title: List of the Cenozoic life of Oregon
section_title: M
hierarchical_section_title: List of the Cenozoic life of Oregon / M
caption_attribution_description: Picture of the flower on the Sweetbay Magnoliaen (Magnolia virginiana en . Photo taken in the near the Tennis Court Garden at the Chanticleer Garden where the species was identified. Camera and Exposure Details: Camera: Canon PowerShot S3 IS Lens: Canon 1:2.7-3.5 USM 12x Zoom Lens Exposure: 11.3mm (67.8mm in 35mm equivalent) f/3.2 @ 1/160 s.&#160;(80 ISO)
context_page_description: This list of the Cenozoic life of Oregon contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Oregon and are between 66 million and 10,000 years of age.
context_section_description: †Macginicarpa
  †Macginicarpa glabra
   †Machairodus
  †Machilus
  †Machilus asiminoides
  Macoma
  †Macoma albaria
  †Macoma arcatata
  †Macoma astori
  †Macoma calcarea
  †Macoma golikovi
  †Macoma inquinata
   †Macoma nasuta
  †Macoma vancouverensis
  Macrocallista
  †Macrocallista pittsburgensis
  †Macrognathomys
  †Macrognathomys nanus
  Mactromeris
  †Mactromeris albaria
  †Mactromeris pittsburgensis
  †Mactromeris polynyma
  †Mactromeris ramonensis
  †Mactromeris veneriformis
   Magnolia
  †Magnolia muldoonae
  †Magnolia paroblonga
  †Magnolia tiffneyi
  Mahonia
  †Mahonia simplex
  †Malus – or unidentified comparable form
  †Mammut
  †Mammut furlongi – type locality for species
  †Mammuthus
   †Mammuthus columbi – tentative report
  Marcia
  †Marcia bunkeri
  †Marcia oregonensis
  Margarites
  †Margarites pupilla
  †Marshochoerus
  †Marshochoerus socialis
  Martes
  †Martes gazini – type locality for species
  Martesia
  †Martesia turnerae
  Mastixia
  †Mastixicarpum
  †Mastixicarpum occidentale
  †Mastixioidiocarpum
  †Mastixioidiocarpum oregonense
  Megachasma
  †Megachasma applegatei
   †Megalonyx
  †Megapaloelodus
  †Megapaloelodus opsigonus – type locality for species
  †Megatylopus
  Megayoldia
  †Megayoldia chehalisensis
  Melanitta
  †Melanitta deglandi
  †Melanitta perspicillata
  †Meliosma
  †Meliosma beusekomii
  †Meliosma bonesii
  †Meliosma elongicarpa
  †Meliosma jenkinsii
  †Meliosma leptocarpa
  †Meniscomys
  †Meniscomys uhtoffi
  †Menispermum – or unidentified comparable form
  Mergus
  †Mergus merganser
  †Mergus serrator
   †Merychippus
  †Merychippus brevidontus
  †Merychippus relictus
  †Merychyus
  †Merychyus arenarum
  †Merychyus minimus
  †Merycochoerus
  †Merycochoerus magnus
  †Merycochoerus matthewi
  †Merycochoerus minor
  †Merycoides
  †Merycoides longiceps
  †Merycoidodon
  †Merycoidodon bullatus
   †Mesocyon
  †Mesocyon brachyops
  †Mesocyon coryphaeus
  †Mesohippus
  †Mesohippus bairdi – or unidentified comparable form
  †Metalopex
  †Metalopex merriami
  Metasequoia
  †Metasequoia occidentalis
  †Microphallus
  †Microphallus perplexus
  Micropodium
  †Micropodium ovatum
  †Micropternodus
  †Micropternodus morgani
  Microtus
  †Microtus montanus
   †Miohippus
  †Miohippus intermedius
  †Miopleionia
  †Miopleionia oregonensis
  †Mioplejonia
  †Mioplejonia oregonensis
  †Miotapirus
  †Mistia – type locality for genus
  †Mistia spinosa – type locality for species
  Modiolatus
  †Modiolatus rectus
  Modiolus
  †Modiolus eugenensis
  †Modiolus modiolus
  †Molopophorus
  †Molopophorus anglonana
  †Molopophorus dalli
  †Molopophorus fishii
  †Molopophorus gabbi
  †Molopophorus matthewi
  Molothrus
  †Molothrus ater – tentative report
  †Monosaulax
  †Monosaulax progressus – type locality for species
  †Monosaulax typicus – type locality for species
   †Moropus
  †Moropus oregonensis
  Mulinia
  †Mulinia eugenensis
  Mustela
  †Mya
  †Mya grewingki
  †Mya truncata
  †Mylagaulodon
  †Mylagaulodon angulatus
  Myotis – or unidentified comparable form
  †Mystipterus
  †Mystipterus pacificus
  †Mystocheilus – type locality for genus
  †Mystocheilus fresti – type locality for species
  Mytilus
  †Mytilus californianus
  †Mytilus edulis
  †Mytilus middendorffi
  †Mytilus snohomishensis
caption: Close-up view of a Magnolia flower
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