page_title: List of the Cenozoic life of Wyoming
section_title: A
hierarchical_section_title: List of the Cenozoic life of Wyoming / A
caption_attribution_description: Species: Azolla caroliniana Family: Azollaceae Image No. 1
context_page_description: This list of the Cenozoic life of Wyoming contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wyoming and are between 66 million and 10,000 years of age.
context_section_description: †Aaptoryctes
  †Aaptoryctes ivyi
  †Absarokius
  †Absarokius abbotti
  †Absarokius gazini – type locality for species
  †Absarokius metoecus – type locality for species
  †Abuta – or unidentified related form
  †Abuta GR507 informal
  †Acacia
  †Acacia lamarensis
  †Acacia macrosperma
  †Acacia wardii
  †Acarictis
  †Acarictis ryani – type locality for species
  Accipiter
   †Accipiter gentilis
  †Accipiter striatus
  Acer
  †Acer GR557 informal
  †Acer GR558 informal
  †Acer lesquereuxi
  †Acer newberryi
  †Acer silberlingii
  †Acer vivarium
  †Aceroryctes – type locality for genus
  †Aceroryctes dulcis – type locality for species
  †Achaenodon
  †Achaenodon insolens – type locality for species
  †Achaenodon robustus – type locality for species
  †Acidomomys – type locality for genus
  †Acidomomys hebeticus – type locality for species
  †Acmeodon
  †Acmeodon secans
  †Acocephalus
  †Acocephalus adae – type locality for species
  †Acritoparamys
  †Acritoparamys atavus
  †Acritoparamys atwateri
  †Acritoparamys francesi
  †Acritoparamys wyomingensis
   †Acrostichum
  †Acrostichum hesperium
  †Adilophontes – type locality for genus
  †Adilophontes brachykolos – type locality for species
  †Adjidaumo
  †Adjidaumo burkei – tentative report
  †Adjidaumo craigi – or unidentified comparable form
  †Adjidaumo minimus
  †Adocus
  †Adunator
  †Adunator fredericki
  †Adunator ladae
  †Adunator martinezi
  Aegialia
  †Aegialia rupta – type locality for species
  Aegolius
  †Aegolius acadicus
  †Aegolius funereus
   †Aepycamelus
  †Aerugoamnis – type locality for genus
  †Aerugoamnis paulus – type locality for species
  †Aesculus
  †Aesculus antiquorum
  †Aesculus hickeyi
  †Afairiguana – type locality for genus
  †Afairiguana avius – type locality for species
  †Ageina
  †Ageina tobieni
  †Ageitodendron
  †Ageitodendron matthewi
  Agelaius
  †Agelaius phoeniceus
  †Agnotocastor
  †Agnotocastor galushai – type locality for species
   †Agriochoerus
  †Agriochoerus maximus
  †Agriochoerus minimus – or unidentified comparable form
  †Ailanthus
  †Ailanthus lesquereuxi
  †Alagomys
  †Alagomys russelli – type locality for species
  †Alastor
  †Alastor solidescens – type locality for species
  †Albertanella – or unidentified comparable form
  †Albertanella minuta
  Alces
  †Alces alces
  †Alchornea – or unidentified related form
  †Alchornea GR546 informal
  †Aletodon
  †Aletodon conardae – type locality for species
  †Aletodon gunnelli – type locality for species
  †Aletodon quadravus
   †Aletomeryx
  †Aletomeryx gracilis
  †Aletornis – type locality for genus
  †Aletornis bellus – type locality for species
  †Aletornis gracilis – type locality for species
  †Aletornis nobilis – type locality for species
  †Aletornis pernix – type locality for species
  †Aletornis venustus – type locality for species
  Aleurites
  †Aleurites glandulosa
  †Alismaphyllites
  †Alismaphyllites grandifolius
  †Allantodiopsis
  †Allantodiopsis erosa
  †Allantodiopsis RR35 informal
  †Allantoidiopsis
  †Allantoidiopsis erosa
   †Allognathosuchus
  †Allognathosuchus heterodon
  †Allognathosuchus polyodon
  †Allognathosuchus wartheni – type locality for species
  †Allomys
  †Allomys cristabrevis
  †Allophylus
  †Allophylus flexifolia
  Alnus
  †Alnus GR548 informal
  †Alnus RR14 informal
  †Alnus RR90 informal
  †Alphagaulus
  †Alphagaulus vetus
  †Alticonus
  †Alticonus gazini
  †Alveojunctus
  †Alveojunctus minutus
  †Alveugena
  †Alveugena carbonensis – type locality for species
  †Amaramnis
  †Amaramnis gregoryi – type locality for species
  †Ambloctonus
  †Ambloctonus major
  †Ambloctonus priscus – or unidentified comparable form
  †Ambloctonus sinosus
  †Ameiseophis
  †Ameiseophis robinsoni – type locality for species
  †Amelotabes – type locality for genus
  †Amelotabes simpsoni – type locality for species
   †Amentotaxus
  †Amentotaxus campbelli
  Amia
  †Amia fragosa
  †Amitabha – type locality for genus
  †Amitabha urbsinterdictensis – type locality for species
  †Ampelopsis
  †Ampelopsis acerifolia
  †Amphechinus
  †Amphechinus ellicottae – type locality for species
  †Amphigyion
  †Amphigyion straitae
  †Amphilemur
  †Amphiplaga
  Amphiuma
  †Amphiuma jepseni – type locality for species
  †Ampliconus
  †Ampliconus antoni – type locality for species
   Amyda
  †Amyda egregia – type locality for species
  †Amyda exquisita – type locality for species
  †Amyda mira – type
caption: Living Azolla water ferns
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