This list of the Cenozoic life of Montana contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Montana and are between 66 million and 10,000 years of age.
A
- Abies
- †Abies alvordensis
- †Abies concoloroides
- †Abies laticarpa
- Acer
- †Acer bendirei
- †Acer bolanderi
- †Acer glabroides
- †Acer minor
- †Acer newberryi
- †Acer oregonianum
- †Acer scottiae
- †Acer silberlingi
- †Acheronodon
- †Acheronodon garbani – type locality for species
- Acipenser
- †Acmeodon
- †Acritohippus
- †Acritoparamys
- †Acritoparamys atavus – type locality for species
- †Actinodonta
- †Adjidaumo
- †Adjidaumo intermedius – or unidentified comparable form
- †Adjidaumo minimus – type locality for species
- †Adunator
- †Adunator ladae
- †Aelurodon
- †Aelurodon ferox – or unidentified comparable form
- †Aelurodon montanensis – type locality for species
- †Aepycamelus
- †Agnotocastor
- †Agnotocastor montanus
- †Agriochoerus
- †Agriochoerus maximus – type locality for species
- †Agriochoerus minimus
- †Agrostis
- †Agrostis primaeva
- †Ailanthus
- †Ailanthus americana
- Alangium
- †Alangium thomae
- †Alepidophora
- †Alepidophora maxima – type locality for species
- †Alismaphyllites
- †Alismaphyllites grandifolius
- Alnus
- †Alnus jarbidgana
- †Alnus protomaximowiczii
- †Alnus relata
- †Alphagaulus
- †Alphagaulus pristinus
- †Amebelodon
- †Amebelodon floridanus – or unidentified comparable form
- Amelanchier
- †Amelanchier couleeana
- †Amelanchier covea
- †Amentotaxus
- †Amentotaxus campbelli
- Amia
- †Amia fragosa
- †Amia uintaensis
- †Ampelopsis
- †Ampelopsis acerifolia
- †Amphechinus
- †Amphechinus horncloudi
- †Amphicyon
- †Amphicyon riggsi – type locality for species
- †Amynodon
- †Amynodon advenus – or unidentified comparable form
- †Amyzon
- †Anacodon
- †Anacodon ursidens – or unidentified comparable form
- Anas
- †Anas platyrhynchos – or unidentified comparable form
- †Ancenycteris
- †Ancenycteris rasmusseni
- †Anconodon
- †Anconodon cochranensis
- †Anconodon gidleyi – type locality for species
- †Anemia
- †Anemia elongata
- †Angustidens
- †Angustidens vireti – or unidentified comparable form
- †Anisonchus
- †Anisonchus oligistus
- †Anisonchus sectorius
- †Ansomys
- †Ansomys hepburnensis – type locality for species
- †Ansomys nexodens
- †Antholithes
- †Antholithes asterias – type locality for species
- †Antholithes botryanthera – type locality for species
- †Antholithes divaricanthera – type locality for species
- †Antholithes explodens – type locality for species
- †Antholithes glandulifera – type locality for species
- †Antholithes onagracioides – type locality for species
- †Antholithes tropaeoloides – type locality for species
- †Antholithes tulipoidea – type locality for species
- †Antholithes umbelloidea – type locality for species
- †Antholithes urnanthera – type locality for species
- †Antholithes zygomorpha – type locality for species
- Antilocapra – or unidentified comparable form
- †Aphelops
- †Aphronorus
- †Aphronorus fraudator – type locality for species
- †Aphronorus orieli
- †Apternodus
- †Apternodus baladontus – type locality for species
- †Apternodus mediaevus – type locality for species
- †Araceaeites
- †Araucaria
- †Araucaria longifolia
- †Archaeocyon
- †Archaeocyon leptodus
- †Archaeohippus
- †Archaeolagus
- †Archisyrphus – type locality for genus
- †Archisyrphus opacus – type locality for species
- †Arctocyon
- †Arctocyon ferox
- †Arctodus
- †Arctostaphylos
- †Arctostaphylos cuneata
- †Ardynomys
- †Ardynomys occidentalis – type locality for species
- †Arretotherium
- †Arretotherium acridens – type locality for species
- Arundo
- †Arundo pseudogoepperti
- Arvicola
- †Arvicola richardsonii
- †aspera
- †aspera aspera
- †Astronium
- †Astronium truncatum
- †Athyana
- †Athyana haydenii
- †Atoposemys
- †Atoposemys entopteros
- †Aulolithomys
- †Aulolithomys bounites – type locality for species
- †Averrhoites
- †Averrhoites affinis
- †Avunculus
- †Avunculus didelphodonti – type locality for species
- †Axestemys
- †Axestemys montinsana
- Azolla
- †Azolla elegans – type locality for species
- †Azolla fragilis – type locality for species
- †Azolla velus
B
- †Baioconodon
- †Baioconodon denverensis – or unidentified comparable form
- †Baioconodon engdahli – type locality for species
- †Baioconodon nordicus – type locality for species
- †Baiotomeus
- †Baiotomeus douglassi
- †Baiotomeus lamberti – type locality for species
- †Bathygenys
- †Bathygenys alpha – type locality for species
- †Berberis
- †Berberis acanthoides
- Berchemia
- †Berchemia huanoides
- †Beringiaphyllum
- †Beringiaphyllum cupanioides
- †Bessoecetor
- †Bessoecetor septentrionalis
- Betula
- †Betula fairii
- †Betula stevensoni
- †Betula thor
- †Betula vera
- Bibio – or unidentified related form
- Bison
- †Bison bison
- †Bison latifrons – or unidentified comparable form
- †Bisonalveus
- †Blastomeryx
- †Bootherium
- †Borealosuchus
- †Brachychampsa
- †Brachycrus
- †Brachycrus laticeps
- †Brachyerix
- †Brachyerix incertis
- †Brachyrhynchocyon
- †Brachyrhynchocyon dodgei
- †Brachyrhynchocyon montanus – type locality for species
- †Browniea
- †Browniea serrata
C
- †Caesalpinites
- †Caesalpinites acuminatus
- †Caesalpinites coloradicus
- †Calycites
- †Calycites hexaphylla
- †Camelops
- †Camponotites
- †Canavalia
- †Canavalia eocenica
- Canis
- †Canna
- †Canna flaccidafolia
- †Carcinodon
- †Carcinodon aquilonius
- †Cardiospermum
- †Cardiospermum terminalis
- Carpinus
- †Carpinus fraterna
- †Carpinus lanceolata
- †Carpites
- †Carpites amygdaloides – type locality for species
- †Carpites carumcarvi – type locality for species
- †Carpites eludens – type locality for species
- †Carpites gracilens – type locality for species
- †Carpites paniculatus – type locality for species
- †Carpites polygonoides
- †Carpites pruniformis – type locality for species
- †Carpites racemosus – type locality for species
- †Carpites verrucosus
- †Carpodaptes
- †Carpodaptes hazelae – type locality for species
- †Carpodaptes jepseni – tentative report
- †Carpolestes
- †Carpolestes nigridens – type locality for species
- Carya
- †Carya antiquorum
- †Carya libbeyi
- †Cassia
- †Cassia fayettensis
- †Cassia hesperia
- †Cassia reticuloides
- Castanea
- †Castanea dolichophylla
- †Castanea intermedia
- †Castanea miomollissima
- †Castanea spokanensis
- †Castanea spolanensis
- Castor
- †Catalpa
- †Catalpa rubyensis – type locality for species
- †Catopsalis
- Ceanothus
- †Ceanothus prespinosus
- †Ceanothus variabilis
- Cedrela
- †Cedrela lancifolia
- †Cedrela pteraformis
- †Celastrus
- †Celastrus typicus
- Celtis
- †Celtis aspera
- †Celtis aspera (Newberry)
- †Celtis chaneyi
- †Celtis kansana
- †Celtis mccoshii
- †Celtis peracuminata
- †Centetodon
- †Centetodon kuenzii – type locality for species
- †Centetodon magnus
- Cercidiphyllum
- †Cercidiphyllum arcticum
- †Cercidiphyllum articum
- †Cercidiphyllum crenatum
- †Cercidiphyllum elongatum
- †Cercidiphyllum genetrix
- Cercis
- †Cercis parvifolia
- †Cercis spokanensis
- †Cercocarpus
- †Cercocarpus antiquus
- †Cercocarpus beaannae
- †Cercocarpus myricaefolius
- †Chadrolagus
- †Chadrolagus emryi
- †Chaetoptelea
- †Chaetoptelea microphylla
- †Chamaecyparis
- †Chamaecyparis linguaefolia
- †Chamops
- †Chamops segnis – or unidentified comparable form
- †Champsosaurus
- †Chiromyoides
- †Chiromyoides potior
- †Chisternon
- †Chisternon interpositum – type locality for species
- †Chriacus
- †Chriacus baldwini
- †Chriacus calenancus
- †Chriacus pelvidens
- †Chriacus punitor
- †Chthonophis – type locality for genus
- †Chthonophis subterraneus – type locality for species
- †Cimexomys
- †Cimexomys minor – type locality for species
- †Cimolestes
- Cinnamomum
- †Cinnamomum sezannense
- Cissus
- †Cissus marginata
- †Claenodon
- †Claenodon montanensis
- Clematis
- †Clematis ellensburgensis
- Cocculus
- †Cocculus heteromorpha
- †Colodon
- †Colodon cingulatus
- †Colodon kayi – type locality for species
- †Colodon woodi – or unidentified comparable form
- †Colpoclaenus
- †Colpoclaenus keeferi – tentative report
- †Colpoclaenus procyonoides – or unidentified comparable form
- †Colubrina
- †Colubrina asiatica – or unidentified comparable form
- †Colubrina preelliptica
- †Compsemys
- †Coniferites
- †Coniferites conicus – type locality for species
- †Coniferites ovatus – type locality for species
- †Coniferites strobiliformis – type locality for species
- †Coniophis – or unidentified comparable form
- †Coniophis precedens
- †Contogenys
- †Contogenys ekalakaensis – type locality for species
- †Contogenys sloani
- †Conzattia
- †Conzattia coriacea
- †Copedelphys
- †Copedelphys stevensoni – or unidentified comparable form
- †Copedelphys titanelix – type locality for species
- †Copemys
- †Copemys lindsayi – type locality for species
- †Coriphagus
- †Coriphagus montanus – type locality for species
- Cornus
- †Cornus cornella
- †Cornus hyperborea
- †Cornus ovalis
- †Corylus
- †Corylus insignis
- †Coryphodon
- †Coryphodon proterus – type locality for species
- †Cosmocomoidea
- †Cosmocomoidea greenwalti – type locality for species
- †Cosmocomoidea kootenai – type locality for species
- †Cosmocomoidea rasnitsyni – type locality for species
- †Cosoryx – tentative report
- Crataegus
- †Crataegus elwyni
- †Crataegus pacifica
- †Credneria
- †Credneria daturaefolia
- Crematogaster
- †Crematogaster aurora – type locality for species
- †Crustulus – type locality for genus
- †Crustulus fontanus – type locality for species
- †Cryptoryctes – type locality for genus
- †Cryptoryctes kayi – type locality for species
- Culiseta
- †Culiseta kishenehn – type locality for species
- †Culiseta lemniscata – type locality for species
- †Cupidinimus
- †Cupidinimus halli – type locality for species
- †Cyclurus
- †Cyclurus fragosus
- †Cylindrodon – type locality for genus
- †Cylindrodon fontis – type locality for species
- †Cynodesmus
- †Cynodesmus thooides – type locality for species
- Cynomys
D
- †Dalbergia
- †Daphoenictis – or unidentified comparable form
- †Davidia
- †Davidia antiqua
- †Davispia – type locality for genus
- †Davispia bearcreekensis – type locality for species
- †Derrisemys – type locality for genus
- †Derrisemys sterea – type locality for species
- †Desmatochoerus
- †Desmatochoerus hatcheri – type locality for species
- †Desmatolagus – tentative report
- †Deuterogonodon
- †Deuterogonodon montanus – type locality for species
- †Diceratherium
- †Diceratherium annectens
- †Diceratherium armatum
- †Diceratherium radtkei – type locality for species
- †Didymictis
- †Dillerlemur
- †Dillerlemur pagei – type locality for species
- †Dinictis
- †Dinohippus
- †Dioctria – tentative report
- †Dioctria jamesi – type locality for species
- †Diospyros
- †Diospyros oregoniana
- †Diphysa
- †Diphysa presuberosa
- †Diplodipelta – type locality for genus
- †Diplodipelta reniptera
- Dipteronia
- †Dipteronia insignis
- †Dissacus
- †Dixella
- †Dixella curvistyla – type locality for species
- †Dixella eomarginata – type locality for species
- †Dixella intacta – type locality for species
- †Dixella spinilobata – type locality for species
- Dolichoderus
- †Dolichoderus dlusskyi – type locality for species
- †Domnina
- †Domnina gradata – or unidentified comparable form
- †Domnina thompsoni – type locality for species
- †Domninoides
- †Dorraletes
- †Dorraletes diminutivus
- †Douglassciurus
- †Douglassciurus jeffersoni – type locality for species
- †Downsimus
- †Dromomeryx
- †Dryinoides – type locality for genus
- †Dryinoides oxyrhachis – type locality for species
- Dryopteris
- †Dryopteris lakesi
- †Dryopteris serrata
E
- †Ectocion
- †Ectoganus
- †Ectoganus lobdelli
- †Ectypodus
- †Ectypodus aphronorus – type locality for species
- †Ectypodus laytoni – or unidentified comparable form
- †Ectypodus lovei
- †Ectypodus powelli – or unidentified comparable form
- †Ectypodus szalayi – type locality for species
- †Ellipsodon
- †Ellipsodon lemuroides
- †Elomeryx – tentative report
- †Elphidotarsius
- †Elphidotarsius florencae – type locality for species
- †Elphidotarsius russelli
- †Elpidophorus
- †Elpidophorus elegans
- †Elpidophorus minor – type locality for species
- †Entoptychus
- †Entoptychus montanensis
- †Eoanaphes – type locality for genus
- †Eoanaphes stethynioides – type locality for species
- †Eoanomala – type locality for genus
- †Eoanomala melas – type locality for species
- †Eoconodon
- †Eoconodon hutchisoni
- †Eoconodon nidhoggi
- †Eoeustochus – type locality for genus
- †Eoeustochus borchersi – type locality for species
- †Eoeustochus kishenehn – type locality for species
- †Eoformica
- †Eoformica brevipetiola – type locality for species
- †Eoformica latimedia – type locality for species
- †Eoformica pinguis
- †Eogyropsylla
- †Eogyropsylla paveloctogenarius – type locality for species
- †Eolestes
- †Eolestes ramosus – type locality for species
- †Eolestes syntheticus
- †Eotitanops
- †Epicyon
- †Epihippus
- †Epihippus gracilis – or unidentified comparable form
- †Epoicotherium
- †Epoicotherium unicum
- †Equisetum
- †Equisetum aquatile – type locality for species
- †Equisetum arcticum
- †Equisetum octangulatum
- Equus
- †Equus conversidens – or unidentified comparable form
- †Equus proversus
- Erucius – tentative report
- †Erucius lewisi – type locality for species
- †Eucastor
- †Eucastor tortus
- †Eucommia
- †Eucommia montana
- †Eucommia serrata
- †Eudaemonema
- †Eudaemonema cuspidata – type locality for species
- †Euhapsis – tentative report
- †Eumys
- †Eumys brachyodus
- †Eumys elegans
- †Eumys parvidens – or unidentified comparable form
- †Euonymus
- †Euonymus pacificus
- †Euoplocyon
- †Euoplocyon brachygnathus
- †Euroxenomys
- †Euroxenomys inconnexus – type locality for species
- †Eutypomys
- †Eutypomys inexpectatus – or unidentified comparable form
- †Eutypomys montanensis – type locality for species
- †Eutypomys parvus
- Exbucklandia
- †Exbucklandia oregonensis
- Exechia – or unidentified related form
- †Exostinus
- †Exostinus lancensis
F
G
- †Galbreathia
- †Galbreathia bettae
- †Gelastops
- †Gelastops parcus – type locality for species
- Geochelone
- †Geochelone primaeva – type locality for species
- Gerrhonotus – or unidentified comparable form
- †Gingerichia – type locality for genus
- †Gingerichia geoteretes – type locality for species
- Ginkgo
- Gleichenia
- †Gleichenia hesperia
- Glyptostrobus
- †Glyptostrobus nordenskioldi
- †Glyptostrobus oregonensis
- †Goniacodon
- †Goniacodon levisanus
- †Gregorymys
- †Gregorymys douglassi – type locality for species
- †Gripholagomys – tentative report
H
- †Habrosaurus
- †Hamamelites
- †Hamamelites inaequalis
- †Haplaletes
- †Haplaletes andakupensis
- †Haplaletes disceptatrix – type locality for species
- †Haplomylus
- †Haplomylus palustris – type locality for species
- †Helaletes
- †Helaletes nanus
- †Heliscomys
- †Heliscomys gregoryi
- †Heliscomys mcgrewi – or unidentified comparable form
- †Heliscomys ostranderi
- Helius
- †Helius constenius – type locality for species
- †Helodermoides – type locality for genus
- †Helodermoides tuberculatus – type locality for species
- †Hendryomeryx
- †Hendryomeryx defordi – or unidentified comparable form
- †Herpetotherium
- †Herpetotherium fugax
- †Herpetotherium knighti – or unidentified comparable form
- †Herpetotherium valens
- †Hesperhys
- †Hesperhys vagrans
- Hesperinus – or unidentified related form
- †Hesperocyon
- †Hesperocyon gregarius
- †Heteraletes
- †Heteraletes leotanus
- †Hiodon
- †Hiodon consteniorum – type locality for species
- Holmskioldia
- †Holmskioldia speiri
- †Holopogon
- †Holopogon archilestes – type locality for species
- Homo
- †Homotherium
- †Huerfanodon – or unidentified comparable form
- †Hutchemys – type locality for genus
- †Hutchemys rememdium – type locality for species
- †Hyaenodon
- Hydrangea
- †Hydrangea knowltoni
- †Hydromystria
- †Hydromystria expansa
- †Hyopsodus
- †Hyopsodus sholemi
- †Hypertragulus
- †Hypertragulus calcaratus
- †Hypisodus
- †Hypisodus minimus
- †Hypohippus
- †Hypohippus osborni – or unidentified comparable form
- †Hypolagus
- †Hypolagus vetus
- †Hypsiops
- †Hypsiops breviceps – type locality for species
- †Hyrachyus
- †Hyrachyus douglassi – type locality for species
- †Hyracodon
- †Hyracodon medius
- †Hyracodon priscidens
I
- †Ictidopappus
- †Ictidopappus mustelinus – type locality for species
- †Ignacius
- †Ignacius frugivorus
- †Ilex[1]
- †Intyrictis
- †Intyrictis vanvaleni
- †Ischyrhiza – or unidentified comparable form
- †Ischyromys
- †Ischyromys douglassi – type locality for species
- †Ischyromys typus
- †Ischyromys veterior – type locality for species
- Isoetes
- †Isoetes trullata – type locality for species
- †Isoetites
- †Isoetites horridus
- Isonychia
- †Isonychia alderensis – type locality for species
J
- †Jepsenella – type locality for genus
- †Jepsenella praepropera – type locality for species
- †Judithemys
- †Judithemys backmani
- †Juglandicarya
- †Juglandiphyllites
- †Juglandiphyllites glabra
- Juglans
- †Juglans regia – or unidentified comparable form
- †Juglans taurina
- Juniperus
- †Juniperus nevadensis
K
- †Kerria
- †Kerria antiqua
- †Kimbetohia
- †Kimbetohia mziae
- Koelreuteria
- †Koelreuteria arnoldi
- †Koelreuteria bipinnatoides
- †Ktunaxia – type locality for genus
- †Ktunaxia jucunda – type locality for species
- †Kukusepasutanka
- †Kukusepasutanka schultzi
L
- †Labidolemur – type locality for genus
- †Labidolemur kayi – type locality for species
- Lasius
- †Lasius glom – type locality for species
- †Lastrea
- †Lastrea goldiana
- †Latiblattella
- †Latiblattella avita – type locality for species
- †Laurophyllum
- †Laurophyllum perseanum
- Laurus
- †Laurus socialis
- †Leguminosites
- †Leidymys
- †Leipsanolestes
- †Leipsanolestes siegfriedti
- Lemmiscus
- Lepisosteus
- †Lepisosteus occidentalis
- †Leptacodon
- †Leptacodon munusculum – type locality for species
- †Leptacodon packi – or unidentified comparable form
- †Leptacodon proserpinae
- †Leptacodon tener
- †Leptarctus – type locality for genus
- †Leptarctus primus – type locality for species
- †Leptauchenia
- †Leptauchenia decora
- †Leptauchenia major
- †Leptictis
- †Leptochoerus
- †Leptocyon
- †Leptocyon douglassi – type locality for species
- †Leptodontomys
- †Leptomeryx
- †Leptomeryx esulcatus
- †Leptomeryx evansi
- †Leptomeryx mammifer
- †Leptomeryx speciosus
- †Leptomeryx yoderi – or unidentified comparable form
- †Leptonysson – type locality for genus
- †Leptonysson basiliscus – type locality for species
- †Leptoreodon
- †Leptoreodon marshi
- †Leucaena
- †Leucaena californica
- †Lignimus
- †Limnenetes
- †Limnenetes platyceps – type locality for species
- †Limnoecus
- Lindera
- †Lindera obtusata
- †Lisserpeton
- †Litaletes
- †Litaletes disjunctus – type locality for species
- †Lithornis
- †Lithornis celetius – type locality for species
- †Litocherus
- †Litocherus lacunatus
- †Litocherus notissimus – type locality for species
- †Litomylus
- †Litomylus dissentaneus – type locality for species
- †Litomylus ishami – or unidentified comparable form
- †Litomylus orthronepius
- †Loxolophus
- †Loxolophus pentacus
- †Loxolophus schizophrenus
- †Lutetialestes – type locality for genus
- †Lutetialestes uniformis – type locality for species
- Lynx
M
- †Machaerosaurus
- †Machaerosaurus torrejonensis
- Magnolia
- †Magnolia borealis
- †Magnolia magnifolia
- Mahonia
- †Mahonia hakeaeformis
- †Mahonia limirivuli
- †Mahonia lobodonta
- †Mahonia obliqua
- †Mahonia retculata
- †Mahonia reticulata
- †Mahonia simplex
- †Mahonia subdenticulata
- †Mammut
- †Mammuthus
- Marchantia
- †Marchantia lignitica
- †Marchantia pealei
- Marmota
- †Marmota flaviventria
- †Marquettia
- †Marquettia metzeli – type locality for species
- Martes
- †Martes kinseyi – or unidentified comparable form
- †Mcconichthys – type locality for genus
- †Mcconichthys longipinnis – type locality for species
- †Megacerops
- †Megacerops kuwagatarhinus – type locality for species
- †Megahippus
- †Megalagus
- †Megalagus brachyodon – type locality for species
- †Megalagus dawsoni – type locality for species
- †Megalagus turgidus – or unidentified comparable form
- †Megalonyx
- †Megantereon
- †Megatylopus
- †Megatylopus gigas
- †Melastomites
- †Melastomites montanensis
- †Meniscomys
- †Menodus
- †Merriamoceros
- †Merychippus
- †Merychyus
- †Merychyus arenarum – or unidentified comparable form
- †Merychyus smithi
- †Merycochoerus
- †Merycochoerus chelydra
- †Merycodus
- †Merycodus necatus – or unidentified comparable form
- †Merycoides
- †Merycoides longiceps
- †Merycoidodon
- †Merycoidodon culbertsoni – or unidentified comparable form
- †Mesodma
- †Mesodma ambigua – or unidentified comparable form
- †Mesodma formosa
- †Mesodma garfieldensis – type locality for species
- †Mesodma pygmaea – type locality for species
- †Mesodma thompsoni
- †Mesogaulus
- †Mesogaulus ballensis – type locality for species
- †Mesogaulus douglassi
- †Mesohippus
- †Mesohippus bairdi
- †Mesohippus westoni – type locality for species
- †Mesoreodon
- †Mesoreodon chelonyx
- †Mesoreodon minor – type locality for species
- †Mesoscalops
- †Mesoscalops montanensis – type locality for species
- †Metadjidaumo
- Metasequoia
- †Metopium
- †Metopium metopioides
- †Miacis – report made of unidentified related form or using admittedly obsolete nomenclature
- †Microcosmodon
- †Microcosmodon harleyi – type locality for species
- †Micropternodus
- †Micropternodus borealis – type locality for species
- Microtus
- †Microtus pennsylvanicus – or unidentified comparable form
- †Mimatuta
- †Mimatuta minuial
- †Mimatuta morgoth – type locality for species
- †Mimetodon
- †Mimetodon silberlingi – type locality for species
- †Mimosites
- †Mimosites acaciafolius
- †Mimotricentes
- †Mimotricentes fremontensis
- †Mimotricentes tedfordi – tentative report
- †Minerisporites
- †Minerisporites glossoferus (Dijkstra) n. comb.
- †Miniochoerus – tentative report
- †Miohippus – type locality for genus
- †Miohippus anceps – tentative report
- †Miohippus annectens – tentative report
- †Miohippus equiceps – tentative report
- †Miohippus gemmarosae – or unidentified comparable form
- †Miohippus grandis
- †Miohippus obliquidens
- †Miohippus taxus – type locality for species
- †Mionictis – tentative report
- †Miopsyche – tentative report
- †Miopsyche rubiensis – type locality for species
- †Mnium
- †Mnium montanense
- †Mojavemys
- †Monosaulax
- †Monosaulax pansus – tentative report
- †Montanatylopus
- †Montanatylopus matthewi – type locality for species
- †Mookomys
- †Mookomys formicarum – or unidentified comparable form
- †Mookomys thrinax – type locality for species
- Morus
- †Muscites
- †Muscites gracilens
- Mustela
- †Mustelavus
- †Mustelavus priscus
- Myrica
- †Myrica lignitum
- †Myrica mormonensis
- †Myrica serrulata
- †Myrmecoboides
- †Myrmecoboides montanensis – type locality for species
- †Myrtophyllum
- †Myrtophyllum torreyi
- †Mystipterus
- †Mytonolagus
- †Mytonolagus petersoni – or unidentified comparable form
N
- †Namatomys
- †Namatomys lloydi – type locality for species
- †Nannodectes
- †Nannodectes gidleyi – or unidentified comparable form
- †Nannodectes intermedius
- †Nannodectes simpsoni – or unidentified comparable form
- †Nanodelphys
- †Nanodelphys hunti
- †Nanotragulus
- †Navajovius
- †Nelumbago
- †Nelumbago montanum
- †Nelumbo
- †Neohipparion
- †Neoplagiaulax
- †Neoplagiaulax donaldorum – type locality for species
- †Neoplagiaulax grangeri – type locality for species
- †Neoplagiaulax hunteri – type locality for species
- †Neoplagiaulax kremnus
- †Neoplagiaulax mckennai
- †Neoplagiaulax nelsoni – type locality for species
- †Niglarodon
- †Niglarodon blacki – type locality for species
- †Niglarodon koerneri – type locality for species
- †Niglarodon loneyi – type locality for species
- †Niglarodon progressus
- †Nordenskioldia
- †Nordenskioldia borealis
- †Nuphar
- †Nuphar advenoides
- †Nyctitherium
- †Nymphaeites
- †Nymphaeites nevadensis
- †Nyssa
- †Nyssa alata
- †Nyssa borealis
- †Nyssa crenata
O
- †Ocajila
- †Ocajila makpiyahe – or unidentified comparable form
- †Odaxosaurus
- Odocoileus – or unidentified comparable form
- †Ogmophis
- †Ogmophis arenarum – type locality for species
- Olar
- †Olar buccinator
- †Oligodontosaurus
- †Oligodontosaurus wyomingensis – or unidentified comparable form
- †Oligoryctes
- †Oligoryctes altitalonidus
- †Oligoryctes cameronensis
- †Oligoscalops
- †Oligotheriomys
- †Oligotheriomys senrudi
- Ondatra
- †Ondatra xibethicus
- †Ondatra zibethicus
- †Onoclea
- †Onoclea hesperia
- †Onychodectes
- †Onychodectes tisonensis
- †Opisthotriton
- †Opisthotriton gidleyi – type locality for species
- †Opisthotriton kayi
- Oreohelix
- †Oreolagus
- †Oreolagus nevadensis
- †Oreonetes
- †Oreonetes anceps
- †Oreonetes douglassi
- †Osmanthus
- †Osmanthus praemissa
- †Osmunda
- †Osmunda greenlandica
- †Osmunda macrophylla
- †Osmunda occidentalis
- Ostrya
- †Ostrya oregoniana
- †Otarocyon
- †Otarocyon macdonaldi
- †Oxyacodon
- †Oxyacodon apiculatus
- †Oxyacodon ferronensis
- †Oxyacodon marshater
- †Oxyclaenus
- †Oxyclaenus pugnax
- †Oxydactylus
- †Oxydactylus lacota – or unidentified comparable form
- †Oxyprimus
- †Oxyprimus erikseni – type locality for species
P
- †Paciculus
- †Pagonomus – or unidentified comparable form
- †Palaechthon – type locality for genus
- †Palaechthon alticuspis – type locality for species
- †Palaechthon woodi – or unidentified comparable form
- †Palaeictops
- †Palaeocarpinus
- †Palaeogale
- †Palaeogale sectoria
- †Palaeohypnum
- †Palaeohypnum beckeri
- †Palaeolabrus
- †Palaeolabrus montanensis – or unidentified comparable form
- †Palaeolagus
- †Palaeolagus burkei
- †Palaeolagus haydeni
- †Palaeolagus hypsodus
- †Palaeolagus intermedius
- †Palaeolagus temnodon – type locality for species
- †Palaeophytocrene
- †Palaeoryctes
- †Palaeosinopa
- †Palaeosinopa didelphoides – or unidentified comparable form
- †Palaeosyops
- †Palaeosyops fontinalis
- †Palaeoxantusia
- †Palaeoxantusia fera
- †Palatobaena
- †Palatobaena bairdi
- †Palenochtha – type locality for genus
- †Palenochtha minor – type locality for species
- †Paleonelumbo
- †Paleonelumbo macroloba
- †Paleonuphar
- †Paleonuphar hesperium
- †Paleopsephurus – or unidentified comparable form
- †Paleotomus
- †Paleotomus senior – type locality for species
- Paliurus
- †Paliurus dumosus
- †Paliurus florissanti
- †Pandemonium
- †Pandemonium dis – type locality for species
- †Pantolambda
- †Pantolambda intermedius – type locality for species
- †Pantomimus – type locality for genus
- †Pantomimus leari – type locality for species
- †Paracosoryx
- †Paradjidaumo
- †Paradjidaumo spokanensis – type locality for species
- †Paradjidaumo trilophus
- †Paramerychyus
- †Paramerychyus harrisonensis
- †Paramylodon
- †Paramys
- †Paramys relictus
- †Paranymphaea
- †Paranymphaea crassifolia
- †Parapliosaccomys
- †Parapliosaccomys annae – or unidentified comparable form
- †Pararyctes
- †Pararyctes pattersoni
- †Paratomarctus
- †Paratomarctus temerarius
- †Parectypodus
- †Parectypodus sinclairi – type locality for species
- †Parectypodus sylviae
- †Pareumys – tentative report
- †Parictis
- †Parictis montanus
- †Paromomys
- †Paromomys depressidens – type locality for species
- †Paromomys maturus – type locality for species
- †Parthenocissus
- †Parthenocissus ursina
- †Parvericius
- †Parvericius montanus
- †Paulownia
- †Paulownia columbiana
- †Paulownia thomsoni
- †Peltosaurus
- †Pelycomys
- †Penetrigonias
- †Penetrigonias dakotensis
- †Penosphyllum
- †Penosphyllum cordatum
- Penthetria
- †Penthetria abacula – type locality for species
- †Penthetria alderensis – type locality for species
- †Penthetria rubiensis – type locality for species
- †Peraceras
- †Peraceras profectum
- †Peraceras superciliosum
- †Peradectes
- †Peradectes elegans – or unidentified comparable form
- †Peradectes minor – type locality for species
- †Peradectes protinnominatus – or unidentified comparable form
- †Peridiomys
- †Peridiomys halis – type locality for species
- †Periptychus
- †Perognathoides
- †Perognathoides eurekensis – or unidentified comparable form
- Perognathus
- †Perognathus ancenensis – type locality for species
- Peromyscus
- †Peromyscus maniculatus – or unidentified comparable form
- Persea
- †Persea brossiana
- †Petauristodon
- †Phasmatopelecinus – type locality for genus
- †Phasmatopelecinus leonae – type locality for species
- †Phenacodaptes – or unidentified comparable form
- †Phenacodaptes sabulosus
- †Phenacodus
- †Phenacodus bisonensis
- †Phenacodus intermedius
- †Phenacodus magnus
- Phragmites
- †Phragmites alaskana
- †Phthiria
- †Phthiria fossa – type locality for species
- †Phyllites
- †Phyllites demoresi
- †Phyllites disturbans
- Picea
- †Picea lahontensis
- †Picea magna
- †Picea sonomensis
- †Piceoerpeton
- †Piceoerpeton willwoodense
- †Picrodus
- †Picrodus canpacius
- †Picrodus silberlingi – type locality for species
- Pinus
- †Pinus florissanti
- †Pinus wheeleri
- †Pipestoneia – type locality for genus
- †Pipestoneia douglassi – type locality for species
- †Pipestoneomys
- †Pipestoneomys bisulcatus
- †Pithecolobium
- †Pithecolobium eocenicum
- †Planatus
- †Planatus nobilis
- †Planatus raynoldsi
- †Planetetherium
- †Planetetherium mirabile – type locality for species
- †Plastomenoides – type locality for genus
- †Plastomenoides lamberti – type locality for species
- †Plastomenoides tetanetron – type locality for species
- †Plastomenus – or unidentified comparable form
- Platanus
- †Platanus dissecta
- †Platanus nobilis
- †Platanus raynoldsi
- †Platanus raynoldsii
- †Platanus stenoloba
- Plecia
- †Plecia inflata – type locality for species
- †Plesiadapis
- †Plesiadapis anceps – type locality for species
- †Plesiadapis churchilli – type locality for species
- †Plesiadapis praecursor – type locality for species
- †Plesiadapis rex – type locality for species
- †Plesiolestes
- †Plesiolestes problematicus
- †Pleurolicus
- †Plioceros
- †Plioceros blicki – or unidentified comparable form
- †Pliohippus
- †Plionictis
- †Plionictis ogygia
- †Plithocyon
- †Plithocyon ursinus
- †Poacites
- †Poebrotherium
- †Poebrotherium eximium – or unidentified comparable form
- †Poebrotherium wilsoni
- †Pogonodon
- †Ponerites
- †Ponerites kishenehne – type locality for species
- Populus
- †Populus adamantea
- †Populus balsamoides
- †Populus cedrusensis
- †Populus cinnamomoides
- †Populus eotremuloides
- †Populus lindgreni
- †Populus nebrascensis
- †Populus payettensis
- †Populus washoensis
- †Potamanthellus
- †Potamanthellus rubiensis – type locality for species
- †Potentilla
- †Potentilla horkelioides
- †Potentilla salmonensis
- †Pradjidaumo
- †Pradjidaumo trilophus
- †Preissites
- †Preissites wardi
- †Preissites wardii
- †Procerberus
- †Procerberus formicarum – type locality for species
- †Procerberus grandis – or unidentified comparable form
- †Procerberus plutonis
- †Prochetodon
- †Prochetodon foxi – type locality for species
- †Prodesmodon
- †Prodesmodon copei
- †Prodiacodon
- †Prodiacodon concordiarcensis – type locality for species
- †Prodiacodon crustulum – type locality for species
- †Prodiacodon furor – type locality for species
- †Proiridomyrmex
- †Proiridomyrmex rotundatus – type locality for species
- †Prokalotermes
- †Prokalotermes alderensis – type locality for species
- †Promerycochoerus
- †Promerycochoerus superbus
- †Promioclaenus
- †Promioclaenus acolytus
- †Pronodens
- †Pronodens silberlingi – type locality for species
- †Pronothodectes
- †Pronothodectes matthewi – type locality for species
- †Propalaeosinopa
- †Propalaeosinopa albertensis
- †Proscalops
- †Proscalops intermedius – type locality for species
- †Prosciurus
- †Prosciurus parvus – or unidentified comparable form
- †Prosciurus vetustus – type locality for species
- †Prosphyracephala
- †Prosphyracephala rubiensis – type locality for species
- †Protazteca
- †Protazteca eocenica – type locality for species
- †Protentomodon
- †Protentomodon ursirivalis – type locality for species
- †Prothryptacodon
- †Prothryptacodon furens – type locality for species
- †Protictis
- †Protictis haydenianus
- †Protictis microlestes
- †Protochriacus
- †Protochriacus simplex
- †Protohippus
- †Protolabis
- †Protolabis gracilis – or unidentified comparable form
- †Protoreodon
- †Protoreodon pearcei
- †Protoreodon pumilus
- †Protungulatum
- †Protungulatum donnae
- †Protungulatum gorgun – type locality for species
- †Protungulatum sloani – type locality for species
- †Provaranosaurus – or unidentified comparable form
- †Proxestops
- †Proxestops silberlingi
- †Proxestops silberlingii – type locality for species
- Prunus
- †Prunus careyhurstia
- †Prunus corrugis
- †Prunus lyoniifolia – type locality for species
- †Prunus morangensis
- †Prunus perita
- †Prunus scottii
- †Prunus wilcoxiana
- †Pseudhipparion
- †Pseudocylindrodon
- †Pseudocylindrodon medius – type locality for species
- †Pseudocylindrodon neglectus – type locality for species
- †Pseudolarix
- †Pseudomesoreodon – type locality for genus
- †Pseudomesoreodon rooneyi – type locality for species
- Pseudomyrmex
- †Pseudomyrmex saxulum – type locality for species
- †Pseudotettigonia
- †Pseudotettigonia leona – type locality for species
- †Pseudotheridomys
- †Pseudotrimylus
- †Pseudotsuga
- †Pseudotsuga longifolia
- †Pseudotsuga sonomensis
- †Psittacotherium
- Ptelea
- †Ptelea miocenica
- †Ptenidium
- †Ptenidium kishenehnicum – type locality for species
- Pteris
- Pterocarya
- †Pterocarya hispida
- †Ptilodus
- †Ptilodus kummae
- †Ptilodus montanus – type locality for species
- †Ptilodus tsosiensis
- †Purgatorius
- †Purgatorius janisae – type locality for species
- †Purgatorius titusi – type locality for species
- †Purgatorius unio – type locality for species
- †Pyracantha
- †Pyracantha spatulata – type locality for species
Q
- Quercus
- †Quercus convexa
- †Quercus dayana
- †Quercus dispersa – tentative report
- †Quercus eoprinus
- †Quercus hannibali
- †Quercus prelobata
- †Quercus prevariabilis
- †Quercus pseudolyrata
- †Quercus simulata
- †Quercus sullyi
- †Quercus winstanleyi
R
- †Rana – or unidentified comparable form
- Rangifer
- †Rhamnites
- †Rhamnites pseudostenophyllus
- †Rhamnus
- †Rhamnus cleburni
- †Rhamnus crocea
- †Rhamnus hirsuta
- Rhus
- †Rhus milleri
- †Rhus miosuccedanea
- †Rhus obscura
- †Rhus praeovata
- †Rhus stellariaefolia
- †Robinia
- †Robinia californica
- †Robinia lesquereuxi
- Rosa
- †Rosa hilliae
S
- Sabal
- †Sabal grayana
- †Sabal imperialis
- †Sabal powelli
- †Saccoloma
- †Saccoloma gardneri
- Salix
- †Salix aquilina
- †Salix cockerelli
- †Salix hesperia
- †Salix knowltoni
- †Salix laevigatoides
- †Salix longiacuminata
- †Salix schimperi
- †Salix stipulata – type locality for species
- †Salix succorensis
- †Salix taxifolioides
- †Salix truckeana
- †Salix wildcatensis
- †Salix wimmeriana
- †Sambucus
- †Sambucus newtoni
- †Sapindus
- †Sapindus coloradensis
- Sassafras
- †Sassafras ashleyi
- †Sassafras columbiana
- †Sassafras hesperia
- †Sassafras thermale
- †Scalopoides
- †Scapherpeton
- †Scapherpeton tectum
- †Scaphohippus
- †Scaphohippus intermontanus – or unidentified comparable form
- †Scenopagus
- †Schizotheriodes
- †Schizotheriodes parvus – type locality for species
- †Scotiophryne – or unidentified comparable form
- †Scottimus
- †Scottimus longiquus – type locality for species
- †Scottimus viduus
- †Selaginella
- †Selaginella collieri
- †Selaginella monstrosa
- †Senoprosopis
- †Senoprosopis beckeri – type locality for species
- Sequoia
- †Sespemys – tentative report
- †Simoedosaurus
- †Simpson
- †Simpson lists
- †Simpsonictis
- †Simpsonictis tenuis
- †Smilax
- †Smilax trinervis
- †Solenopsites
- †Solenopsites abdita – type locality for species
- †Sophora
- †Sophora spokanensis
- †Sorbus
- †Sorbus harneyensis
- †Sparganium
- †Sparganium antiquum
- Spea
- †Spea neuter
- Spermophilus
- †Spermophilus jerae – type locality for species
- †Spermophilus primitivus
- †Spermophilus richardsonii
- †Spiraea
- †Spiraea clavidens
- †Spiraea decurrens
- †Stelocyon
- †Stelocyon arctylos – type locality for species
- †Steneofiber
- †Steneofiber gradatus – or unidentified comparable form
- †Steneofiber hesperus
- †Stenoechinus
- †Stenoechinus tantalus – type locality for species
- †Stenomylus
- †Stenomylus hitchcocki – or unidentified comparable form
- Sterculia
- †Sterculia wilcoxiana
- †Stibarus
- †Stibarus montanus – type locality for species
- †Stilpnodon
- †Stilpnodon simplicidens – type locality for species
- †Stygimys
- †Stygimys camptorhiza – or unidentified comparable form
- †Stygimys gratus
- †Stygimys jepseni – type locality for species
- †Stygimys kuszmauli – type locality for species
- †Subdromomeryx
- †Subhyracodon
- †Subhyracodon mitis
- †Subhyracodon occidentalis
- †Submerycochoerus
- †Submerycochoerus bannackensis – type locality for species
- Sylvicola – or unidentified related form
- Sylvilagus
- †Symplocarpus
- †Symplocarpus prefoetidus
T
- †Taeniolabis
- †Taeniolabis lamberti – type locality for species
- †Tapocyon
- †Tapocyon robustus
- †Tardontia
- †Tardontia occidentale – or unidentified comparable form
- Taricha
- †Taricha miocenica – type locality for species
- Taxodium
- †Taxodium dubium
- †Taxodium olriki
- †Tectochara
- †Tectochara grambastorum
- †Teleoceras
- †Tenudomys – tentative report
- †Tephrodytes – type locality for genus
- †Tephrodytes brassicarvalis – type locality for species
- †Ternstroemites
- †Ternstroemites aureavallis
- †Tetraclaenodon
- †Tetraclaenodon puercensis
- Thomomys
- †Thomomys taloides
- †Thomomys talpoides
- †Thrinax
- †Thrinax dorfi
- †Thryptacodon
- †Thryptacodon australis – or unidentified comparable form
- †Thryptacodon orthogonius – tentative report
- †Thryptacodon pseudarctos – type locality for species
- †Thuja
- †Thuja dimorpha
- †Thuja interrupta
- †Thylacodon
- †Thylacodon montanensis – type locality for species
- †Thylacodon pusillus – or unidentified comparable form
- †Ticholeptus
- †Ticholeptus zygomaticus
- Tilia
- †Tilia aspera
- †Tilia inaequalis
- †Tinuviel
- †Tinuviel eurydice
- Tipula
- †Tipula carolae – type locality for species
- †Tipula rubiensis – type locality for species
- †Titanoides
- †Trapa
- †Trapa angulata
- †Trapa paulula
- †Tricentes
- †Tricentes subtrigonus
- †Trigenicus
- †Trigenicus profectus
- †Trigonias
- †Trilaccogaulus
- †Trilaccogaulus montanensis
- †Triplopides
- †Triplopides rieli – type locality for species
- †Triplopus
- †Triplopus rhinocerinus – or unidentified comparable form
- †Trochodendroides
- †Trochodendroides flabella
- †Trogolemur – tentative report
- †Tropidia
- †Tropidia tumulata – type locality for species
- †Tullochelys
- †Tullochelys montana
- †Tylocephalonyx
- Typha
- †Typha lesquereuxi
U
- †Ulmeriella
- †Ulmeriella rubiensis – type locality for species
- Ulmus
- †Ulmus montanensis
- †Ulmus moorei
- †Ulmus paucidentata
- †Ulmus rhamnifolia
- †Ulmus speciosa
- †Unuchinia
- †Unuchinia asaphes – type locality for species
- †Ursolestes – type locality for genus
- †Ursolestes perpetior – type locality for species
- Ursus
V
- †Vaccinium
- †Vaccinium sophoroides
- †Valenopsalis
- †Valenopsalis joyneri – type locality for species
- †Vauquelinia
- †Vauquelinia coloradensis
- †Vauquelinia coloradica
- †Viburnum
- †Viburnum antiquorum
- †Viburnum kraeuseli
- †Viguiera
- †Viguiera cronquisti
- Vitis
- †Vitis lobata
- †Vitis muscadinioides
- †Vitis olriki
- †Vitis washingtonensis
- †Viverravus – tentative report
W
- †Wilsoneumys
- †Woodwardia
- †Woodwardia arctica
- †Wortmania – or unidentified comparable form
X
Z
References
- 1 2 3 Alexander B. Doweld (2019). "New names for Ilex and Ilexpollenites (Aquifoliaceae), extant and fossil. Notulae Systematicae ad Palaeofloram Europaeam spectantes II. Aquifoliaceae". Phytotaxa. 388 (2): 179–191. doi:10.11646/phytotaxa.388.2.5.
- 1 2 Tobin L. Hieronymus; David A. Waugh; Julia A. Clarke (2019). "A new zygodactylid species indicates the persistence of stem passerines into the early Oligocene in North America". BMC Evolutionary Biology. 19 (1): Article 3. doi:10.1186/s12862-018-1319-6. PMC 6321701. PMID 30611195.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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