List of the Cenozoic life of North Dakota

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
  • †Adjidaumo minimus
  • †Adjidaumo minutus
• †Aesculus
  • †Aesculus hickeyi – type locality for species
• †Agnotocastor
  • †Agnotocastor praetereadens
• †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
  • †Altasciurus leonardi – type locality for species
• †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
  • †Borealosuchus formidabilis – type locality for species
• †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
  • †Cantius frugivorus
• †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
  • †Cedromus wardi
• 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
  • †Ectocion collinus
• †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
  • †Eumys brachyodus
  • †Eumys elegans
  • †Eumys lammersi – type locality for species
• †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

• Ginkgo

  • 

    Restored foliage of the Late Cretaceous-Miocene ginkgo tree Ginkgo adiantoides

    †Ginkgo adiantoides
• Glyptostrobus
  • †Glyptostrobus europaeus
  • †Glyptostrobus nordenskioldi
• †Gomphaeschna
  • †Gomphaeschna schrankii – type locality for species

H

• †Harmsia
  • †Harmsia hydrocotyloidea
• †Heliscomys
  • †Heliscomys borealis – type locality for species
  • †Heliscomys medius – or unidentified comparable form
  • †Heliscomys senex
  • †Heliscomys vetus – or unidentified comparable form
• †Helodermoides
• Hemitelia
  • †Hemitelia magna
• †Herpetotherium
  • †Herpetotherium fugax – or unidentified comparable form
  • †Herpetotherium valens

• 

  Life restoration of the Eocene-Oligocene dog Hesperocyon. Robert Bruce Horsfall (1913).

  †Hesperocyon
  • †Hesperocyon gregarius
• †Hesperopetes
  • †Hesperopetes blacki – or unidentified comparable form
• †Homogalax
  • †Homogalax aureus – type locality for species
• †Hydromystria
  • †Hydromystria expansa
• †Hyopsodus
  • †Hyopsodus loomisi
• †Hypertragulus
• †Hyracodon

I

• †Ignacius
  • †Ignacius frugivorus

• 

  Mounted fossilized skeleton of the Eocene-Oligocene rodent Ischyromys

  †Ischyromys
  • †Ischyromys junctus
  • †Ischyromys typus
  • †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

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
  • †Megalonyx jeffersonii
• †Meliosma
  • †Meliosma longifolia
• †Meliosoma
  • †Meliosoma rostellata
• †Menispermites
  • †Menispermites parvareolatus – type locality for species
• †Merychyus
• †Merycochoerus
• †Merycoidodon
  • †Merycoidodon bullatus
  • †Merycoidodon culbertsoni
  • †Merycoidodon major
• †Mesodma
  • †Mesodma pygmaea
• †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
  • †Metasequoia occidentalis
• †Miacis
• †Microcosmodon
• †Microparamys – or unidentified comparable form
• †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

• †Nannodectes
• †Nanotragulus
• †Nelumbago
  • †Nelumbago montanum
• †Nelumbium

• 

  A living Nelumbo lotus

  †Nelumbo
  • †Nelumbo aureavallis – type locality for species
  • †Nelumbo FU062 informal
  • †Nelumbo FU085 informal
  • †Nelumbo FU62 informal
• †Neoplagiaulax
  • †Neoplagiaulax hunteri
  • †Neoplagiaulax mckennai
  • †Neoplagiaulax nanophus
• †Nephrops
  • †Nephrops buntingi – type locality for species
• †Nordenskioldia
  • †Nordenskioldia borealis
• †Notomorpha
  • †Notomorpha garmanii

• 

  Anatomy of a de-shelled Nototeredo shipworm

  †Nototeredo
  • †Nototeredo globosa
• †Nyssa
  • †Nyssa alata
• †Nyssidium
  • †Nyssidium arcticum
  • †Nyssidium articum

O

• †Ogmophis
  • †Ogmophis compactus
• †Oligoryctes
  • †Oligoryctes altitalonidus
  • †Oligoryctes cameronensis – or unidentified comparable form
• †Oligoscalops
  • †Oligoscalops galbreathi
• †Oligotheriomys
  • †Oligotheriomys magnus
  • †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
  • †Paradjidaumo hansonorum – or unidentified comparable form
  • †Paradjidaumo trilophus
• †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
  • †Parectypodus lunatus
• †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
  • †Pinus peregrinus – type locality for species
• †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
  • †Prochetodon foxi
• †Prodiacodon
  • †Prodiacodon tauricinerei – or unidentified comparable form
• †Prolapsus
• †Propalaeosinopa
  • †Propalaeosinopa albertensis
• †Prosciurus
  • †Prosciurus albiclivus – type locality for species
  • †Prosciurus hogansoni – type locality for species
  • †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
  • †Protochelydra zangerli
• †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
  • †Ptilodus kummae
  • †Ptilodus montanus
  • †Ptilodus wyomingensis

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

• †Reithroparamys

• 

  A living Rhineura floridana, or North American worm lizard

  Rhineura – or unidentified comparable form

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
  • †Titanoides primaevus – type locality for species
• †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

• 

  Mounted fossilized skeleton of the Paleocene Alligator relative Wannaganosuchus

  †Wannaganosuchus – type locality for genus
  • †Wannaganosuchus brachymanus – type locality for species
• †Wardiaphyllum
  • †Wardiaphyllum daturaefolium
• †Willeumys
  • †Willeumys viduus
• †Woodwardia
  • †Woodwardia arctica
  • †Woodwardia gravida – type locality for species

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

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.