This list of the Cenozoic life of North Dakota contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of North Dakota and are between 66 million and 10,000 years of age.

A

  • Acer
  • †Acrovena – type locality for genus
    • †Acrovena laevis – type locality for species
  • †Actinodonta
  • †Adjidaumo[1]
    • †Adjidaumo minimus[1]
    • †Adjidaumo minutus[1]
  • †Aesculus
    • †Aesculus hickeyi – type locality for species
  • †Agnotocastor[1]
  • †Aletodon
    • †Aletodon quadravus
  • Fossilized skeleton of the Late Cretaceous-Oligocene Alligator relative Allognathosuchus
    †Allognathosuchus – type locality for genus
    • †Allognathosuchus mlynarskii – type locality for species
  • †Altasciurus[1]
    • †Altasciurus leonardi – type locality for species[1]
  • †Alveugena
    • †Alveugena carbonensis
  • †Amersinia
    • †Amersinia FU082 informal
    • †Amersinia FU82 informal
  • †Amesoneuron
    • †Amesoneuron FU037 informal
  • Amia
    • †Amia fragosa
    • †Amia uintaensis
  • †Ampelopsis
    • †Ampelopsis acerifolia
  • †Amphicaenopus
    • †Amphicaenopus platycephalus
  • †Ankylodon – or unidentified comparable form
  • †Apternodus
  • †Archaeocyon
    • †Archaeocyon leptodus
  • Life restoration of the Eocene-Oligocene entelodont mammal Archaeotherium
    †Archaeotherium
    • †Archaeotherium mortoni
  • †Arctocyon
  • †Ardynomys
    • †Ardynomys saskatchewensis
  • †Averrhoites
    • †Averrhoites affinis
  • †Axestemys
    • †Axestemys montinsana
  • Azolla
    • †Azolla montana
    • †Azolla stanleyi – type locality for species
  • †Azollopsis
    • †Azollopsis tomentosa

B

  • †Bathycyathus
    • †Bathycyathus lloydi – type locality for species
  • †Batrachosauroides
    • †Batrachosauroides gotoi – type locality for species
  • †Beringiaphyllum – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Beringiaphyllum cupanioides
  • †Bessoecetor
    • †Bessoecetor septentrionalis
  • Betula
    • †Betula hesterna – type locality for species
  • †Bisonalveus
    • †Bisonalveus holtzmani
  • †Borealosuchus
  • †Boremys
  • †Bothriodon
  • Restorative portrait of the Miocene oreodont mammal Brachycrus
    †Brachycrus
  • †Browniea
    • †Browniea serrata

C

  • †Cabomba
    • †Cabomba inermis
  • †Calamagras
    • †Calamagras weigeli
  • †Canariophyllum – type locality for genus
    • †Canariophyllum ampla – type locality for species
  • Canticocculus
  • †Cantius
  • †Carpites
    • †Carpites verrucosus
  • †Carpodaptes
    • †Carpodaptes hazelae – or unidentified comparable form
    • †Carpodaptes hobackensis – or unidentified comparable form
  • †Carpolithes
    • †Carpolithes arcticus
    • †Carpolithes bryangosus – type locality for species
    • †Carpolithes lunatus – type locality for species
  • A living Carya, or hickory tree
    Carya
    • †Carya antiquorum
  • †Cedromus[1]
    • †Cedromus wardi[1]
  • Celtis
    • †Celtis aspera
  • †Centetodon
    • †Centetodon chadronensis
    • †Centetodon magnus
    • †Centetodon marginalis
  • †Centimanomys
  • †Ceratophyllum
    • †Ceratophyllum FU080 informal
  • Cercidiphyllum
    • †Cercidiphyllum arcticum
    • †Cercidiphyllum articum
    • †Cercidiphyllum ellipticum
    • †Cercidiphyllum genetrix
  • †Chaetoptelea
    • †Chaetoptelea microphylla
  • Life restoration of the Late Cretaceous-Eocene choristoderan reptile Champsosaurus
    †Champsosaurus
    • †Champsosaurus gigas – type locality for species
    • †Champsosaurus tenuis – type locality for species
  • †Chrysotriton – type locality for genus
    • †Chrysotriton tiheni – type locality for species
  • Cocculus
    • †Cocculus flabella
  • †Coniophis
  • †Conoryctella
    • †Conoryctella dragonensis – or unidentified comparable form
  • †Cornophyllum
    • †Cornophyllum newberryi
  • Cornus
    • †Cornus hyperborea
  • †Corylus
    • †Corylus acutertiaria – type locality for species
    • †Corylus FU079 informal
    • †Corylus insignis
  • Life restoration of the Paleocene-Eocene pantodont mammal Coryphodon. Heinrich Harder (1920).
    †Coryphodon
    • †Coryphodon armatus – or unidentified comparable form
  • †Cotradechites – type locality for genus
    • †Cotradechites lithinus – type locality for species
  • †Credneria
    • †Credneria daturaefolia – tentative report
  • †Cupressinocladus
    • †Cupressinocladus interruptus
  • Cyclocarya
    • †Cyclocarya brownii
  • †Cylindrodon
    • †Cylindrodon collinus
  • †Cyperacites
  • †Cypressaurus

D

  • †Dakotornis – type locality for genus
    • †Dakotornis cooperi – type locality for species
  • Life restoration of the Eocene-Miocene bear dog Daphoenus
    †Daphoenus
  • †Davidia
    • †Davidia antiqua
  • †Dennstaedtia
    • †Dennstaedtia americana
  • †Diacocherus
    • †Diacocherus minutus
  • †Diacodexis – tentative report
  • Restoration of the Oligocene-Miocene hornless rhinoceros Diceratherium. Robert Bruce Horsfall (1913).
    †Diceratherium
    • †Diceratherium tridactylum
  • Dicotylophyllum
    • †Dicotylophyllum anomalum
    • †Dicotylophyllum hamameloides – type locality for species
    • †Dicotylophyllum hebronensis – type locality for species
    • †Dicotylophyllum mercerensis – type locality for species
    • †Dicotylophyllum oblongatum – type locality for species
  • †Didelphodus – or unidentified comparable form
  • †Didymictis
  • Life restoration of the Eocene-Miocene false saber-toothed cat Dinictis. Robert Bruce Horsfall (1913).
    †Dinictis
  • †Dissacus
  • †Dombeya
    • †Dombeya novimundi – type locality for species
  • †Domnina
    • †Domnina sagittariensis – type locality for species
    • †Domnina thompsoni – or unidentified comparable form
  • †Dorraletes
    • †Dorraletes diminutivus
  • †Douglassciurus
    • †Douglassciurus jeffersoni
  • †Drepanochilus – tentative report

E

  • Fossilized shell of the Eocene turtle Echmatemys
    †Echmatemys
    • †Echmatemys testudinea
  • †Ectocion
  • †Ectypodus
    • †Ectypodus hazeni
    • †Ectypodus lovei
  • †Elliptio
    • †Elliptio priscus
  • †Elomeryx
    • †Elomeryx armatus
  • †Entomolestes
  • †Equisetum
    • †Equisetum FU036 informal
    • †Equisetum magnum – type locality for species
  • †Eucommia
    • †Eucommia serrata
  • †Eumys[1]
    • †Eumys brachyodus[1]
    • †Eumys elegans
    • †Eumys lammersi – type locality for species[1]
  • †Eutypomys
    • †Eutypomys hibernodus – type locality for species
    • †Eutypomys parvus

F

  • A living Ficus, or fig tree
    Ficus
    • †Ficus subtruncata
  • †Fokieniopsis
    • †Fokieniopsis catenulata
  • †Fraxinus
    • †Fraxinus eocenica

G

H

I

  • †Ignacius
    • †Ignacius frugivorus
  • Mounted fossilized skeleton of the Eocene-Oligocene rodent Ischyromys
    †Ischyromys[1]
    • †Ischyromys junctus
    • †Ischyromys typus[1]
    • †Ischyromys veterior – or unidentified comparable form
  • †Isoetites
    • †Isoetites horridus

J

  • †Joffrichthys
    • †Joffrichthys triangulpterus – type locality for species
  • Juglans
    • †Juglans taurina

K

  • Flowers of a living Kalmia shrub
    †Kalmia – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Kalmia elliptica
  • †Kirkomys[1]

L

  • †Labidolemur
    • †Labidolemur soricoides
  • †Lemnaceae
    • †Lemnaceae scutatum
  • Illustration of a living Lepisosteus, or gar
    Lepisosteus
    • †Lepisosteus occidentalis
  • †Leptacodon
    • †Leptacodon tener
  • †Leptauchenia
    • †Leptauchenia decora
  • †Leptictis
    • †Leptictis acutidens – or unidentified comparable form
    • †Leptictis dakotensis
  • †Leptodontomys
    • †Leptodontomys douglassi
  • Life restoration of the Eocene-Oligocene even-toed ungulate Leptomeryx
    †Leptomeryx
    • †Leptomeryx evansi
    • †Leptomeryx yoderi – or unidentified comparable form
  • †Litocherus
    • †Litocherus zygeus
  • †Lophiparamys
    • †Lophiparamys murinus – or unidentified comparable form
  • Lygodium
    • †Lygodium kaulfussi

M

  • Marchantia
    • †Marchantia pealei
    • †Marchantia pealii
  • †Megalagus
    • †Megalagus brachyodon – or unidentified comparable form
  • Mounted fossilized skeleton of the Miocene-Pleistocene ground sloth Megalonyx
    †Megalonyx
  • †Meliosma
    • †Meliosma longifolia
  • †Meliosoma
    • †Meliosoma rostellata
  • †Menispermites
    • †Menispermites parvareolatus – type locality for species
  • †Merychyus
  • †Merycochoerus
  • †Merycoidodon
    • †Merycoidodon bullatus
    • †Merycoidodon culbertsoni
    • †Merycoidodon major
  • †Mesodma
  • †Mesohippus
    • †Mesohippus bairdi
    • †Mesohippus propinquus – or unidentified comparable form
    • †Mesohippus westoni – or unidentified comparable form
  • Restoration of the Eocene-Miocene swamp rhinoceros Metamynodon. Charles R. Knight (1896).
    †Metamynodon
  • †Metaparamys
    • †Metaparamys dawsonae – or unidentified comparable form
  • Metasequoia
  • †Miacis
  • †Microcosmodon
  • †Microparamys – or unidentified comparable form[1]
  • †Micropternodus
    • †Micropternodus borealis – or unidentified comparable form
  • †Microsyops
    • †Microsyops angustidens
  • †Mimetodon
    • †Mimetodon silberlingi
  • †Miniochoerus
    • †Miniochoerus starkensis – type locality for species
  • †Miohippus
    • †Miohippus obliquidens
  • †Musophyllum
    • †Musophyllum complicatum

N

O

  • †Ogmophis
    • †Ogmophis compactus
  • †Oligoryctes
    • †Oligoryctes altitalonidus
    • †Oligoryctes cameronensis – or unidentified comparable form
  • †Oligoscalops
    • †Oligoscalops galbreathi
  • †Oligotheriomys[1]
    • †Oligotheriomys magnus[1]
    • †Oligotheriomys primus – type locality for species
  • †Onoclea
    • †Onoclea hesperia
  • Fossil of the Permian-modern crustacean burrow ichnogenus Ophiomorpha
    †Ophiomorpha
    • †Ophiomorpha nodosa
  • †Oreithyia
    • †Oreithyia oaklandi
  • †Osbornodon
    • †Osbornodon renjiei – type locality for species
  • †Osmunda
    • †Osmunda macrophylla
  • †Oxyacodon
    • †Oxyacodon priscilla

P

  • †Palaeanodon – tentative report
  • †Palaeocarpinus
  • Restoration of the Oligocene rabbit relative Palaeolagus
    †Palaeolagus
    • †Palaeolagus haydeni
    • †Palaeolagus temnodon – or unidentified comparable form
  • †Palaeophytocrene
  • †Palaeopsammia
    • †Palaeopsammia zitteli – type locality for species
  • †Palaeoryctes
    • †Palaeoryctes punctatus – or unidentified comparable form
  • †Palaeosinopa
  • †Palaeoxantusia – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Palaeoxantusia borealis
  • †Paleotomus
    • †Paleotomus senior – or unidentified comparable form
  • †Palmacites
  • †Paradjidaumo[1]
    • †Paradjidaumo hansonorum – or unidentified comparable form
    • †Paradjidaumo trilophus[1]
  • †Paramys
    • †Paramys excavatus – or unidentified comparable form
  • †Paranymphaea
    • †Paranymphaea crassifolia
  • †Pararyctes
    • †Pararyctes pattersoni
  • †Parataxodium – or unidentified comparable form
  • †Paraternstroemia – type locality for genus
    • †Paraternstroemia hyphovenosa – type locality for species
  • †Parectypodus
  • †Peltosaurus – or unidentified comparable form
  • †Penosphyllum
    • †Penosphyllum cordatum
  • †Peradectes
    • †Peradectes elegans
  • †Persites – type locality for genus
    • †Persites argutus – type locality for species
  • Life restoration of the Paleocene-Eocene ungulate Phenacodus. Charles R. Knight (1898).
    †Phenacodus
    • †Phenacodus grangeri
    • †Phenacodus magnus
  • †Phyllites
    • †Phyllites demoresi
    • †Phyllites disturbans
  • †Piceoerpeton
    • †Piceoerpeton willwoodense
  • Pinus
  • †Pipestoneomys
  • †Planatus
    • †Planatus raynoldsi
  • †Plastomenus
  • Platanus
    • †Platanus nobilis
    • †Platanus raynoldsi
    • †Platanus raynoldsii
  • Platycarya
    • †Platycarya americana
  • Life restoration of the Paleocene-Eocene primate Plesiadapis
    †Plesiadapis
    • †Plesiadapis anceps
    • †Plesiadapis churchilli – or unidentified comparable form
    • †Plesiadapis fodinatus – or unidentified comparable form
    • †Plesiadapis rex
  • †Poebrotherium
    • †Poebrotherium wilsoni
  • Populus
    • †Populus nebrascensis
  • †Prochetodon
  • †Prodiacodon
    • †Prodiacodon tauricinerei – or unidentified comparable form
  • †Prolapsus
  • †Propalaeosinopa
    • †Propalaeosinopa albertensis
  • †Prosciurus[1]
    • †Prosciurus albiclivus – type locality for species
    • †Prosciurus hogansoni – type locality for species[1]
    • †Prosciurus vetustus
  • †Protictis
    • †Protictis microlestes – or unidentified comparable form
    • †Protictis paralus – type locality for species
  • Life restoration of a female (left) and male of the Oligocene-Miocene even-toed ungulate Protoceras. Charles R. Knight (1896).
    †Protoceras – tentative report
  • †Protochelydra
  • †Protophyllum
    • †Protophyllum semotum – type locality for species
  • †Protungulatum
  • †Pseudocylindrodon
    • †Pseudocylindrodon silvaticus
  • †Psidium – tentative report
  • Pterocarya
    • †Pterocarya hispida
  • †Pterospermites
    • †Pterospermites cordata
  • Illustration of a fossilized skull of the Paleocene multituberculate mammal Ptilodus
    †Ptilodus

Q

  • †Queironius – type locality for genus
    • †Queironius praelapsus – type locality for species
  • A living Quercus, or oak tree
    Quercus
    • †Quercus macneili
    • †Quercus sullyi
    • †Quercus yulensis
  • †Quereuxia
    • †Quereuxia angulata

R

S

  • Sagittaria
    • †Sagittaria megasperma
  • †Salvinia
    • †Salvinia aureovallis – type locality for species
    • †Salvinia preauriculata
  • Fossilized skeleton of the Eocene monitor lizard Saniwa
    †Saniwa
    • †Saniwa edura – type locality for species
    • †Saniwa ensidens – or unidentified comparable form
  • †Sauropithecoides – type locality for genus
    • †Sauropithecoides charisticus – type locality for species
  • †Scapherpeton
  • †Selaginella
    • †Selaginella collieri
  • †Simoedosaurus
    • †Simoedosaurus dakotensis – type locality for species
  • †Sinclairella
  • †Sparganium
    • †Sparganium antiquum
    • †Sparganium parvum – type locality for species
    • †Sparganium stygium
  • †Spathorhynchus – or unidentified comparable form
  • †Stibarus
    • †Stibarus montanus
  • †Stillingia
    • †Stillingia casca – type locality for species
  • Life restoration of the Eocene-Oligocene cow-sized rhinoceros Subhyracodon. Charles R. Knight (1890s).
    †Subhyracodon
    • †Subhyracodon occidentalis

T

  • Taxodium
    • †Taxodium olrikii
  • Fossilized mandible of the Eocene primate Teilhardina
    †Teilhardina
  • †Ternstroemites
    • †Ternstroemites aureavallis – type locality for species
  • †Tetonoides
    • †Tetonoides pearcei
  • Thamnophis
  • †Thryptacodon
    • †Thryptacodon australis
  • †Thuites
    • †Thuites interruptus
  • †Thuja
    • †Thuja interrupta
  • Tinosaurus
  • Life restoration of the Paleocene pantodont mammal Titanoides
    †Titanoides
  • †Toxotherium
  • †Trapa
    • †Trapa angulata
  • †Trichopterodomus – type locality for genus
    • †Trichopterodomus leonardi – type locality for species
  • †Trigonias
  • Trochocyathus
    • †Trochocyathus mitratus – type locality for species
  • †Trochodendroides
    • †Trochodendroides serrulata
  • †Tuberculacerta – type locality for genus
    • †Tuberculacerta pearsoni – type locality for species

U

  • †Unuchinia
    • †Unuchinia dysmathes

V

  • Leaves and fruit of a living Viburnum.
    †Viburnum
    • †Viburnum antiquum
    • †Viburnum tilioides

W

X

  • †Xestops – or unidentified comparable form

Y

  • †Yoderimys
    • †Yoderimys stewarti – or unidentified comparable form

Z

  • †Zingiberopsis – type locality for genus
    • †Zingiberopsis isonervosa – type locality for species

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 William W. Korth; Robert J. Emry; Clint A. Boyd; Jeff J. Person (2019). "Rodents (Mammalia) from Fitterer Ranch, Brule Formation (Oligocene), North Dakota". Smithsonian Contributions to Paleobiology. 103 (103): iv-45. doi:10.5479/si.1943-6688.103.
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