List of the prehistoric life of Montana

From Wikipedia, the free encyclopedia

This list of the prehistoric life of Montana contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Montana.

Precambrian[]

The Paleobiology Database records no known occurrences of Precambrian fossils in Montana.

Paleozoic[]

Main article: List of the Paleozoic life of Montana

Selected Paleozoic taxa of Montana[]

  • †Achistrum
  • Life restoration of the Carboniferous lobe-finned fish Allenypterus
    †Allenypterus – type locality for genus
    • †Allenypterus montanus – type locality for species
  • Ammodiscus
  • †Amphiscapha
  • †Amplexus
  • †Aphelaeceras
  • †Athyris
  • †Atrypa
  • †Aulopora
  • †Aviculopecten
    • †Aviculopecten kaibabensis – or unidentified comparable form
  • †Avonia
  • †Bathyuriscus
  • Restoration of the Carboniferous Chimaera relative Belantsea
    †Belantsea – type locality for genus
    • †Belantsea montana – type locality for species
  • †Bellerophon
  • †Callograptus
  • †Camarotoechia
    • †Camarotoechia contracta
    • †Camarotoechia crenistria
    • †Camarotoechia elegantula
    • †Camarotoechia herrickana – or unidentified related form
    • †Camarotoechia metallica
    • †Camarotoechia mutata
    • †Camarotoechia tuta
  • †Caninia
  • Fossilized skeleton of the Carboniferous coelacanth Caridosuctor
    †Caridosuctor – type locality for genus
  • †Carinoclymenia
  • †Cavusgnathus
  • †Cheiloceras
  • †Chonetes
    • †Chonetes geniculatus
    • †Chonetes loganensis
    • †Chonetes logani
    • †Chonetes ornatus
  • †Cladodus
  • †Cleiothyridina
    • †Cleiothyridina atrypoides
    • †Cleiothyridina ciriacksi – type locality for species
    • †Cleiothyridina coloradoensis – or unidentified comparable form
    • †Cleiothyridina devonica
    • †Cleiothyridina hirsuta
    • †Cleiothyridina incrassata – or unidentified related form
    • †Cleiothyridina sublamellosa
  • †Clonograptus
  • Fossilized shell of the Late Devonian-Permian brachiopod Composita
    †Composita
    • †Composita humilis
    • †Composita laevis
    • †Composita lateralis – or unidentified comparable form
    • †Composita madisonensis
    • †Composita ovata
    • †Composita ozarkana
    • †Composita sulcata
  • †Cornulites
  • †Crania
  • †Cyranorhis – type locality for genus
  • †Cyrtospirifer
    • †Cyrtospirifer animaensis
    • †Cyrtospirifer animasensis – or unidentified comparable form
    • †Cyrtospirifer bertrandi – type locality for species
    • †Cyrtospirifer gallatinensis
    • †Cyrtospirifer hornellensis
    • †Cyrtospirifer monticola
    • †Cyrtospirifer perryi – type locality for species
    • †Cyrtospirifer thalattodoxa – tentative report
    • †Cyrtospirifer whitneyi
  • †Cystodictya
  • †Damocles – type locality for genus
  • †Debeerius – type locality for genus
  • Life restoration of the Carboniferous Chimaera relative Delphyodontos
    †Delphyodontos – type locality for genus
    • †Delphyodontos dacriformes – type locality for species
  • †Dendrograptus
  • †Dictyonema
  • †Dikelocephalus
  • †Distomodus
  • †Echinaria
  • †Echinochimaera – type locality for genus
    • †Echinochimaera meltoni – type locality for species
†Echinochimaera meltoni Lund 1977 from the Mississippian of Bear Gulch
    • †Echinochimaera snyderi – type locality for species
  • †
  • †Elrathina
  • Eocaudina
  • †Falcatus
    • †Falcatus falcatus
  • †Favosites
  • †Fenestella
  • †Fenestrella
  • †Geragnostus
  • †Hadronector – type locality for genus
  • Restoration (bottom) of the Carboniferous "antlered" Chimaera relative Harpagofututor
    †Harpagofututor – type locality for genus
    • †Harpagofututor volsellorhinus – type locality for species
  • †Helicoprion
  • †Hyolithes
  • †Hypothyris
  • †Hypseloconus
  • †Irvingella
  • †Janassa
  • †Joanellia
    • †Joanellia lundi
  • †Kendallina
  • †Kootenia
  • †Lingula
  • †Lingulella
  • †Lioestheria
  • †Lithostrotion
  • †Lloydia
  • †Lochmocercus – type locality for genus
  • †Maladia
  • †Martinia
  • †Maryvillia
  • †Megalaspidella
  • Fossil of the Cambrian-Silurian trilobite Megistaspis
    †Megistaspis
  • †Micromitra
  • †Naticopsis
    • †Naticopsis remex – or unidentified comparable form
  • †Neospirifer
    • †Neospirifer praenuntius – type locality for species
    • †Neospirifer striatus
  • †Netsepoye – type locality for genus
  • †Nisusia
  • † Nix – type locality for genus
  • †Obolus
  • †Ogyginus
  • †Orygmaspis
  • †Ozarkodina
    • †Ozarkodina deflecta
    • †Ozarkodina elongata
    • †Ozarkodina macilenta
    • †Ozarkodina modesta
    • †Ozarkodina regularis
  • †Paladin – tentative report
  • †Paleolimulus
  • †Paratarrasius – type locality for genus
  • †Pelagiella
  • Fossilized theca of the Carboniferous blastoid echinoderm ("sea bud") Pentremites
    †Pentremites
  • †Peronopsis
  • †Pinna
  • †Platyceras
  • †Platyclymenia
  • †Polyosteorhynchus – type locality for genus
  • †Prodentalium
  • †Proetus
  • †Prographularia
  • †Ptychagnostus
  • †Ptychoparia
  • † Ramesses – type locality for genus
  • †
  • †Siksika – type locality for genus
  • †Soris – type locality for genus
  • †Spathognathodus
  • Fossilized shell of the Late Ordovician-Late Triassic brachiopod Spirifer
    †Spirifer
    • †Spirifer brazerianus – or unidentified related form
    • †Spirifer centronatus
    • †Spirifer greenockensis – or unidentified comparable form
    • †Spirifer grimesi
    • †Spirifer louisianensis – or unidentified related form
    • †Spirifer marionensis – or unidentified comparable form
    • †Spirifer mudulus
    • †Spirifer raymondi
    • †Spirifer shoshonensis
    • †Spirifer welleri – tentative report
  • †Spiriferina
  • Spirorbis
  • Life restorations of a male (foreground) and female (background) of the Late Devonian-Carboniferous Chimaera relative Stethacanthus
    †Stethacanthus
    • †Stethacanthus altonensis
  • †Syringopora
  • †Tornoceras
  • †Tylonautilus
  • †Westergaardodina
  • †Wilkingia
  • †Worthenia – tentative report

Mesozoic[]

Main article: List of the Mesozoic life of Montana

Selected Mesozoic taxa of Montana[]

  • Life restoration of the Late Cretaceous horned dinosaur Achelousaurus
    †Achelousaurus – type locality for genus
    • †Achelousaurus horneri – type locality for species
  • †Acheroraptor – type locality for genus
    • †Acheroraptor temertyorum – type locality for species
  • Acipenser
  • †Acristavus – type locality for genus
    • †Acristavus gagslarsoni – type locality for species
  • †Adocus
  • †Albanerpeton
    • †Albanerpeton nexuosus
  • †Albertaceratops
    • †Albertaceratops nesmoi
  • †Albertosaurus
  • †Allocrioceras
  • Life restoration of the Late Jurassic theropod dinosaur Allosaurus
    †Allosaurus
  • †Alphadon
    • †Alphadon attaragos
    • †Alphadon halleyi – type locality for species
    • †Alphadon marshi
    • †Alphadon wilsoni
  • †Alzadasaurus – tentative report
  • Amia
  • †Amphicoelias
  • †Anatotitan
    • †Anatotitan copei
  • Image of restored specimen of a squat quadruped with knobby back
    Life restoration of the Late Cretaceous armored dinosaur Ankylosaurus
    †Ankylosaurus – type locality for genus
    • †Ankylosaurus magniventris – type locality for species
  • †Aquilops – type locality for genus
    • †Aquilops americanus – type locality for species
  • Aralia – or unidentified comparable form
  • †Arcticoceras – tentative report
  • †Arctocephalites
    • †Arctocephalites gracilis – or unidentified comparable form
    • †Arctocephalites maculatus – or unidentified comparable form
    • †Arctocephalites platynotus – or unidentified comparable form
    • †Arctocephalites sawtoothensis
    • †Arctocephalites saypoensis
  • †Asplenium
  • Astarte
  • †Aublysodon
    • †Aublysodon mirandus
  • †Avaceratops – type locality for genus
    • †Avaceratops lammersi – type locality for species
  • Life restoration of the Late Cretaceous toothed bird Avisaurus perched on a crocodilian
    †Avisaurus – type locality for genus
    • †Avisaurus archibaldi – type locality for species
    • †Avisaurus gloriae – type locality for species
  • Azolla
  • †Baculites
    • †Baculites asper
    • †Baculites codyensis
    • †Baculites compressus
    • †Baculites mariasensis
  • †Baena
  • †Bambiraptor – type locality for genus
    • †Bambiraptor feinbergi – type locality for species
  • Barbourula – or unidentified comparable form
  • Mounted fossilized skeleton of the Cretaceous turtle Basilemys
    †Basilemys
  • †Belonostomus
    • †Belonostomus longirostris
  • †Bernissartia
  • †Borealosuchus
    • †Borealosuchus sternbergii
  • Brachaelurus
  • †Brachyceratops – type locality for genus
    • †Brachyceratops montanensis – type locality for species
  • †Brachychampsa – type locality for genus
    • †Brachychampsa montana – type locality for species
  • Fossilized natural mummy of the Late Cretaceous duck-billed dinosaur Brachylophosaurus
    †Brachylophosaurus
    • †Brachylophosaurus canadensis – type locality for species
  • †Camarasaurus
  • Campeloma
  • Carcharias
  • †Cedrobaena
  • †Centrosaurus
  • †Cerasinops – type locality for genus
    • †Cerasinops hodgskissi – type locality for species
  • †Ceratodus
  • †Ceratops – type locality for genus
    • †Ceratops montanus – type locality for species
  • †Chamops
  • Life restoration of the Late Cretaceous-Eocene choristoderan reptile Champsosaurus
    †Champsosaurus
  • †Chasmosaurus – or unidentified comparable form
  • Chiloscyllium
  • †Chirostenotes
    • †Chirostenotes elegans
  • Chlamys
  • †Chondroceras
  • †Cimexomys
    • †Cimexomys minor
  • †Cimolestes
    • †Cimolestes incisus
    • †Cimolestes stirtoni
  • †Cimoliasaurus
  • †Cimolodon
    • †Cimolodon nitidus
  • Life restoration of the face of the Late Cretaceous multituberculate mammal Cimolomys
    †Cimolomys
    • †Cimolomys clarki – type locality for species
    • †Cimolomys gracilis
  • †Cimolopteryx
    • †Cimolopteryx maxima
  • Cladophlebis
    • †Cladophlebis alberta
    • †Cladophlebis constricta
    • †Cladophlebis heterophylla
    • †Cladophlebis inclinata
    • †Cladophlebis oblongifolia
    • †Cladophlebis oerstedi
    • †Cladophlebis virginiensis
  • †Claosaurus
  • †Claraia
    • †Claraia aurita
    • †Claraia clarai
    • †Claraia mulleri
    • †Claraia stachei
  • †Clidastes
  • †Componocancer
    • †Componocancer roberti
  • †Compsemys
  • †Coniophis
  • †Continuoolithus
  • †Coriops
  • Mounted fossilized skeleton of the Late Cretaceous duck-billed dinosaur Corythosaurus
    †Corythosaurus
    • †Corythosaurus casuarius
  • †Cretolamna
    • †Cretolamna appendiculata
  • †Cretorectolobus – type locality for genus
    • †Cretorectolobus olsoni – type locality for species
  • †Crocodilus
  • Cucullaea
  • †Daspletosaurus
    • †Daspletosaurus horneri – type locality for species
  • †Deinodon – type locality for genus
    • †Deinodon horridus – type locality for species
  • Life restoration of the Early Cretaceous dromaeosaur ("raptor") Deinonychus
    †Deinonychus – type locality for genus
  • †Deinosuchus – type locality for genus
    • †Deinosuchus rugosus – type locality for species
  • Dentalium
  • †Derrisemys
  • †Diclonius
  • †Didelphodon
  • †Didymoceras
  • Life restoration of the Late Jurassic long-necked dinosaur Diplodocus
    †Diplodocus
  • †Doratodon – or unidentified comparable form
  • †Dromaeosaurus
    • †Dromaeosaurus albertensis
  • †Dyoplosaurus
    • †Dyoplosaurus acutosquameus
  • †Edgarosaurus
    • †Edgarosaurus muddi
  • †Edmontonia
    • †Edmontonia longiceps
    • †Edmontonia rugosidens – type locality for species
  • †Edmontosaurus
    • Life restoration of the Late Cretaceous duck-billed dinosaur Edmontosaurus annectens
      †Edmontosaurus annectens
  • †Einiosaurus – type locality for genus
    • †Einiosaurus procurvicornis – type locality for species
  • †Emarginachelys – type locality for genus
    • †Emarginachelys cretacea – type locality for species
  • †Eodelphis
  • †Eopelobates – or unidentified comparable form
  • †Equisetum
  • †Essonodon – type locality for genus
    • †Essonodon browni – type locality for species
  • †Eucrossorhinus
  • †Euomphaloceras
  • Restoration of the Late Cretaceous armored dinosaur Euoplocephalus
    †Euoplocephalus
    • †Euoplocephalus tutus
  • †Eutrephoceras
  • †Exiteloceras
  • †Exogyra
  • Ficus – or unidentified comparable form
  • †Gervillia
  • †Gilmoremys
    • †Gilmoremys lancensis
  • Ginkgo
  • †Ginkgoites
  • †Glishades – type locality for genus
    • †Glishades ericksoni – type locality for species
  • †Glyptops
  • Glyptostrobus – or unidentified comparable form
  • Mounted fossilized skeleton of the Middle Jurassic-Late Cretaceous mammal Gobiconodon
    †Gobiconodon – type locality for genus
  • †Goniobasis
  • †Gorgosaurus
    • †Gorgosaurus libratus – type locality for species
  • †Gryphaea
    • †Gryphaea impressimarginata
  • †Gryposaurus
    • †Gryposaurus latidens – type locality for species
    • †Gryposaurus notabilis
  • †Habrosaurus
    • †Habrosaurus dilatus
  • †Hadrosaurus
    • †Hadrosaurus breviceps – type locality for species
    • †Hadrosaurus paucidens – type locality for species
  • †Hamites
  • Life restoration of the Late Cretaceous toothed bird Hesperornis
    †Hesperornis
  • †Hybodus
    • †Hybodus montanensis – type locality for species
  • †Hypacrosaurus
    • †Hypacrosaurus stebingeri – type locality for species
  • Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size
    †Inoceramus
    • †Inoceramus arnoldi
    • †Inoceramus canaliculatus
    • †Inoceramus cancellatus
    • †Inoceramus cardissoides - or unidentified loosely related form
    • †Inoceramus cordiformis – or unidentified comparable form
    • †Inoceramus erectus
    • †Inoceramus fragilis – or unidentified related form
    • †Inoceramus frechi – or unidentified comparable form
    • †Inoceramus gibbosus
    • †Inoceramus gilli – type locality for species
    • †Inoceramus glacierensis – type locality for species
    • †Inoceramus koeneni
    • †Inoceramus latisulcatus – or unidentified comparable form
    • †Inoceramus lesginensis
    • †Inoceramus lingua – or unidentified comparable form
    • †Inoceramus lundbreckensis
    • †Inoceramus sokolovi – type locality for species
    • †Inoceramus undabundus
    • †Inoceramus walterdorfensis
  • †Ischyodus
    • †Ischyodus bifurcatus
  • †Ischyrhiza
    • †Ischyrhiza avonicola
    • †Ischyrhiza mira
  • Life restoration of the Late Cretaceous horned dinosaur Judiceratops
    †Judiceratops – type locality for genus
    • †Judiceratops tigris – type locality for species
  • †Kritosaurus
  • †Krokolithes
  • †Lepidotes
    • †Lepidotes haydeni – type locality for species
    • †Lepidotes occidentalis – type locality for species
  • Lepisosteus
  • †Leptalestes
    • †Leptalestes cooki
    • †Leptalestes krejcii
    • †Leptalestes prokrejcii
    • †Leptalestes toevsi – type locality for species
  • Life restoration of the Late Cretaceous primitive horned dinosaur Leptoceratops
    †Leptoceratops
    • †Leptoceratops gracilis
  • †Leptorhynchos – tentative report
  • †Lingula
  • †Lisserpeton – type locality for genus
    • †Lisserpeton atlantes
    • †Lisserpeton bairdi – type locality for species
  • †Lonchidion
  • Lopha
  • † Lucina
  • Lunatia
  • †Magnuviator – type locality for genus
  • †Maiasaura – type locality for genus
    • †Maiasaura peeblesorum – type locality for species
  • †Medusaceratops – type locality for genus
    • †Medusaceratops lokii – type locality for species
  • †Melvius – type locality for genus
  • †Meniscoessus
    • †Meniscoessus major
    • †Meniscoessus robustus – type locality for species
  • †Mercuriceratops – type locality for genus
    • †Mercuriceratops gemini – type locality for species
  • †Mesodma
    • †Mesodma formosa
    • †Mesodma hensleighi
    • †Mesodma primaeva
    • †Mesodma thompsoni
  • †Metoicoceras
    • †Metoicoceras geslinianum
    • †Metoicoceras mosbyense – type locality for species
    • †Metoicoceras muelleri
  • †Metzgeriites
  • †Microvenator – type locality for genus
    • †Microvenator celer – type locality for species
  • †Modiolus
  • †Monoclonius – type locality for genus
    • †Monoclonius crassus – type locality for species
    • †Monoclonius recurvicornis – type locality for species
    • †Monoclonius sphenocerus – type locality for species
  • †Montanalestes
  • Mounted fossilized skeletons of the Late Cretaceous pterosaur Montanazhdarcho
    †Montanazhdarcho – type locality for genus
    • †Montanazhdarcho minor – type locality for species
  • †Montanoceratops
    • †Montanoceratops cerorhynchus – type locality for species
  • †Montanoolithus – type locality for genus
  • †Mosasaurus
    • †Mosasaurus missouriensis
  • †Myledaphus
    • †Myledaphus bipartitus
  • †Mytilus
  • †Nanotyrannus
    • †Nanotyrannus lancensis – type locality for species
  • †Naomichelys – type locality for genus
  • A living Nelumbo lotus
    †Nelumbo
  • †Neocardioceras
    • †Neocardioceras juddii
    • †Neocardioceras minutum
  • †Neoplagiaulax
    • †Neoplagiaulax burgessi – type locality for species
  • †Nezpercius – type locality for genus
  • †Nidimys – type locality for genus
  • †Normannites – tentative report
  • †Notogoneus
  • Nucula
  • †Obamadon – type locality for genus
    • †Obamadon gracilis – type locality for species
  • †Odaxosaurus
    • †Odaxosaurus piger
  • A living Odontaspis sand shark
    Odontaspis
    • †Odontaspis sanguinei – type locality for species
  • †Oklatheridium
  • †Onchosaurus
  • †Oohkotokia – type locality for genus
    • †Oohkotokia horneri – type locality for species
  • †Ophiomorpha
  • †Opisthotriton
  • †Ornithomimus
    • †Ornithomimus grandis – type locality for species
    • †Ornithomimus tenuis – type locality for species
  • †Orodromeus – type locality for genus
    • †Orodromeus makelai – type locality for species
  • Life restoration of the Late Cretaceous herbivorous dinosaur Oryctodromeus in a burrow
    †Oryctodromeus – type locality for genus
    • †Oryctodromeus cubicularis – type locality for species
  • Ostrea
  • †Oxytoma
  • †Pachycephalosaurus – type locality for genus
    • †Pachycephalosaurus wyomingensis – type locality for species
  • †Pagiophyllum
  • †Palaeobatrachus
  • †Palaeosaniwa
    • †Palaeosaniwa canadensis
  • †Palaeoscincus – type locality for genus
    • †Palaeoscincus costatus – type locality for species
  • †Palatobaena
  • †Paleopsephurus – type locality for genus
    • †Paleopsephurus wilsoni – type locality for species
  • Illustration of a fossilized skull of the Late Cretaceous armored dinosaur Panoplosaurus
    †Panoplosaurus
  • †Pappotherium
  • †Paracimexomys
    • †Paracimexomys judithae – type locality for species
    • †Paracimexomys magnus – type locality for species
    • †Paracimexomys priscus
    • †Paracimexomys propriscus – type locality for species
    • †Paracimexomys robisoni – or unidentified comparable form
  • †Paralbula
  • †Paramacellodus – or unidentified comparable form
  • †Paranecturus – type locality for genus
    • †Paranecturus garbanii – type locality for species
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Parapuzosia with a human indicating its size
    †Parapuzosia
  • †Paronychodon
    • †Paronychodon lacustris
  • †Pectinodon – or unidentified comparable form
  • Pholadomya
    • †Pholadomya kingi
  • Physa
  • †Piceoerpeton
  • †Piksi – type locality for genus
    • †Piksi barbarulna – type locality for species
  • †Pinna
  • †Pistia
  • †Plesiobaena
  • †Pleuronautilus
  • †Prenoceratops – type locality for genus
    • †Prenoceratops pieganensis – type locality for species
  • †Prismatoolithus
  • †Proamphiuma
  • †Prodesmodon
  • Mounted fossilized skeleton of the Late Cretaceous duck-billed dinosaur Prosaurolophus
    †Prosaurolophus
    • †Prosaurolophus blackfeetensis – type locality for species
  • †Protocardia
  • †Protoscaphirhynchus – type locality for genus
  • †Protungulatum
  • †Pseudomelania
  • †Pteria – tentative report
  • †Pteropelyx – type locality for genus
    • †Pteropelyx grallipes – type locality for species
  • †Ptychotrygon
    • †Ptychotrygon blainensis – type locality for species
    • †Ptychotrygon triangularis
  • Pycnodonte
  • Quercus – report made of unidentified related form or using admittedly obsolete nomenclature
  • Life restoration of a flock of the Late Cretaceous pterosaur Quetzalcoatlus feeding on the ground
    †Quetzalcoatlus – or unidentified comparable form
  • †Rhamnus – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Richardoestesia
    • †Richardoestesia gilmorei
    • †Richardoestesia isosceles
  • †Rubeosaurus
    • †Rubeosaurus ovatus – type locality for species
  • †Rugocaudia – type locality for genus
    • †Rugocaudia cooneyi – type locality for species
  • †Sagenopteris
    • †Sagenopteris elliptica
    • †Sagenopteris mclearni
    • †Sagenopteris williamsii
  • Life restoration of the Early Cretaceous armored dinosaurs Sauropelta
    †Sauropelta – type locality for genus
    • †Sauropelta edwardsorum – type locality for species
  • †Saurornitholestes
    • †Saurornitholestes langstoni
  • †Scapherpeton
  • †Scaphites
    • †Scaphites impendicostatus
    • †Scaphites preventricosus
    • †Scaphites ventricosus
  • †Scolosaurus
    • †Scolosaurus cutleri
  • †Scotiophryne – type locality for genus
  • Base of the trunk of a living Sequoia tree with a human to scale
    †Sequoia
  • Sphaerium
  • †Sphaerotholus
    • †Sphaerotholus buchholtzae – type locality for species
  • †Sphenopteris
    • †Sphenopteris brulensis
    • †Sphenopteris geopperti
    • †Sphenopteris latiloba
    • †Sphenopteris mclearni
  • †Spheroolithus
    • †Spheroolithus albertensis
    • †Spheroolithus choteauensis – type locality for species
    • †Spheroolithus maiasauroides
  • Restoration of the Late Cretaceous horned dinosaur Spiclypeus
    †Spiclypeus – type locality for genus
    • †Spiclypeus shipporum – type locality for species
  • †Spiriferina – report made of unidentified related form or using admittedly obsolete nomenclature
  • Squalicorax
    • †Squalicorax kaupi
    • †Squalicorax pristodontus
  • †Squatirhina
    • †Squatirhina americana
  • †Stegoceras
    • †Stegoceras validum
  • †Stegosaurus
  • †Suuwassea – type locality for genus
    • †Suuwassea emilieae – type locality for species
  • †Tatankacephalus – type locality for genus
    • †Tatankacephalus cooneyorum – type locality for species
  • Life restoration of the Early Cretaceous Iguanodon relative Tenontosaurus
    †Tenontosaurus – type locality for genus
    • †Tenontosaurus tilletti – type locality for species
  • †Terminonaris – type locality for genus
    • †Terminonaris robusta – type locality for species
  • †Thalassomedon – type locality for genus
    • †Thalassomedon hanningtoni – type locality for species
  • †Thescelosaurus
    • †Thescelosaurus garbanii – type locality for species
    • †Thescelosaurus neglectus
  • †Toxolophosaurus – type locality for genus
  • †Trachodon – type locality for genus
    • †Trachodon altidens
    • †Trachodon marginatus
    • †Trachodon mirabilis – type locality for species
  • Mounted fossilized skeleton of the Late Cretaceous horned dinosaur Triceratops
    †Triceratops
  • †Trigonia
    • †Trigonia montanaensis
  • Trionyx
  • †Triprismatoolithus – type locality for genus
  • †Troodon – type locality for genus
    • †Troodon formosus – type locality for species
  • †Tubercuoolithus – type locality for genus
  • Turritella
  • †Tylosaurus
    • †Tylosaurus proriger
  • Fossilized skeleton of the Late Cretaceous tyrannosaur Tyrannosaurus
    †Tyrannosaurus – type locality for genus
    • †Tyrannosaurus rex – type locality for species
  • †Ugrosaurus – type locality for genus
    • †Ugrosaurus olsoni – type locality for species
  • Unio
  • †Valenopsalis
  • Valvata – tentative report
  • Vitis – report made of unidentified related form or using admittedly obsolete nomenclature
  • Viviparus
  • †Volviceramus
  • †Woodwardia – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Xenocephalites – tentative report
  • Xenophora
  • †Yezoites
  • Fossil of the Early Triassic-Eocene cycad-like frond Zamites
    †Zamites
    • †Zamites arcticus
  • †Zapsalis – or unidentified comparable form
  • †Zephyrosaurus – type locality for genus
    • †Zephyrosaurus schaffi – type locality for species

Cenozoic[]

Main article: List of the Cenozoic life of Montana

Selected Cenozoic taxa of Montana[]

  • Abies
  • Abies
  • Acer
  • †Acheronodon
    • †Acheronodon garbani – type locality for species
  • Acipenser
  • Mounted fossilized skeleton of the Miocene horse Acritohippus
    †Acritohippus
    • †Acritohippus isonesus
  • †Aelurodon
  • †Aepycamelus
    • †Aepycamelus stocki
  • †Agnotocastor
  • †Agriochoerus
  • †Agrostis
  • †Ailanthus
  • Alangium
  • Alnus
  • Life restoration of the Miocene elephant relative Amebelodon. Margret Flinsch (1932).
    †Amebelodon
  • Amelanchier
  • †Amentotaxus
  • Amia
  • †Ampelopsis
  • †Amphechinus
  • †Amphicyon
  • †Amyzon
  • Anas
    • †Anas platyrhynchos – or unidentified comparable form
  • †Anconodon
  • †Anemia
  • †Angustidens
  • Antilocapra – or unidentified comparable form
    • †Antilocapra americana
  • †Aphelops
  • †Araucaria
  • †Archaeocyon
  • †Archaeohippus
  • †Arctocyon
  • †Arctodus
    • †Arctodus simus
  • †Arctostaphylos
  • Arundo
  • Arvicola
  • †aspera
  • †Astronium
  • †Athyana
  • †Avunculus
  • Living Azolla water ferns
    Azolla
  • †Baiotomeus
    • †Baiotomeus douglassi
    • †Baiotomeus lamberti – type locality for species
  • †Bathygenys
  • †Berberis
  • Berchemia
  • Betula
  • Bibio – or unidentified related form
  • Bison
    • †Bison bison
    • Mounted fossilized skeleton of the Pleistocene Bison latifrons, also known as the giant bison or long-horned bison
      †Bison latifrons – or unidentified comparable form
  • †Bisonalveus
    • †Bisonalveus browni
  • †Blastomeryx
    • †Blastomeryx gemmifer
  • †Bootherium
  • †Borealosuchus
    • †Borealosuchus sternbergii
  • †Brachychampsa
  • †Brachycrus
  • †Brachyrhynchocyon
  • †Camelops
    • †Camelops minidokae
  • †Canavalia
  • Canis
    • †Canis latrans
    • †Canis lupus
  • †Canna
  • †Cardiospermum
  • Carpinus
  • Life restoration of the Paleocene primate relative Carpolestes
    †Carpolestes
  • Carya
  • †Cassia
  • Castanea
  • Castor
    • †Castor californicus
    • †Castor canadensis
  • †Catalpa
  • †Catopsalis
    • †Catopsalis alexanderi
    • †Catopsalis waddleae
  • Ceanothus
  • Cedrela
  • †Celastrus
  • Celtis
  • Cercidiphyllum
  • Cercis
  • †Cercocarpus
  • †Chamaecyparis
  • †Chamops
  • Life restoration of the Late Cretaceous-Eocene choristoderan reptile Champsosaurus
    †Champsosaurus
  • †Chisternon
  • †Chriacus
    • †Chriacus calenancus
  • †Chthonophis – type locality for genus
    • †Chthonophis subterraneus – type locality for species
  • †Cimexomys
    • †Cimexomys minor – type locality for species
  • †Cimolestes
    • †Cimolestes incisus
  • A living Cinnamomum, or cinnamon tree
    Cinnamomum
  • Cissus
  • Clematis
  • Cocculus
  • †Colodon
  • †Colubrina
    • †Colubrina asiatica – or unidentified comparable form
  • †Compsemys
  • †Coniophis – or unidentified comparable form
  • †Conzattia
  • Cornus
  • †Corylus
  • †Coryphodon
  • †Cosoryx – tentative report
  • Crataegus
  • Fossilized leaf from a Credneria tree
    †Credneria
  • Crematogaster
  • Culiseta
  • †Cynodesmus
  • Cynomys
    • †Cynomys ludovicianus
  • †Dalbergia
  • †Daphoenictis – or unidentified comparable form
  • †Davidia
  • †Derrisemys – type locality for genus
  • †Desmatochoerus
  • †Diceratherium
  • †Didymictis
  • Life restoration of the Eocene-Miocene false saber-toothed cat Dinictis. Robert Bruce Horsfall (1913).
    †Dinictis
  • †Dinohippus
  • †Dioctria – tentative report
  • †Diospyros
  • †Diphysa
  • Dipteronia
  • †Dissacus
  • Dolichoderus
  • †
  • Fossilized horns, jaws, and limb bones of the Miocene deer relative Dromomeryx
    †Dromomeryx
    • †Dromomeryx borealis
  • Dryopteris
  • †Ectocion
  • †Elomeryx – tentative report
  • †Eoconodon
    • †Eoconodon nidhoggi
  • †Eotitanops
  • †Epicyon
    • †Epicyon haydeni
  • †Epihippus
  • †Equisetum
  • Equus
    • †Equus conversidens – or unidentified comparable form
  • †Eucastor
  • †Eucommia
    • Fossilized fruit of the Eocene Eucommia montana plant
      †Eucommia montana
  • †Euonymus
  • †Euoplocyon
  • Exbucklandia
  • Ficus
  • Fokienia
  • Formica
  • †Fraxinus
  • Geochelone
  • Gerrhonotus – or unidentified comparable form
  • Ginkgo
  • Gleichenia
  • Glyptostrobus
  • †Goniacodon
  • †Habrosaurus
    • †Habrosaurus dilatus
  • †Helaletes
  • Helius
  • Fossilized skull of the Oligocene lizard Helodermoides
    †Helodermoides – type locality for genus
    • †Helodermoides tuberculatus – type locality for species
  • †Herpetotherium
    • †Herpetotherium fugax
    • †Herpetotherium knighti – or unidentified comparable form
  • †Hesperocyon
  • †Heteraletes
  • †Hiodon
  • Holmskioldia
  • †Holopogon
  • Homo
    • †Homo sapiens
  • Restoration of Pliocene-Pleistocene Homotherium, or scimitar cat
    †Homotherium
    • †Homotherium serum
  • †Hutchemys – type locality for genus
  • †Hyaenodon
    • †Hyaenodon crucians
  • Hydrangea
  • †Hydromystria
  • †Hyopsodus
  • †Hypertragulus
  • †Hypisodus
  • Life restoration of the Miocene horse Hypohippus. Heinrich Harder (1920).
    †Hypohippus
  • †Hypolagus
  • †Hypsiops
  • †Hyrachyus
  • †Hyracodon
  • †Ictidopappus
  • †Intyrictis
  • †Ischyrhiza – or unidentified comparable form
    • †Ischyrhiza avonicola
  • †Ischyromys
  • Isoetes
  • Juglans
    • †Juglans regia – or unidentified comparable form
  • Juniperus
  • †Kerria
  • †Kimbetohia
  • Koelreuteria
  • Lasius
  • Laurus
  • Lemmiscus
    • †Lemmiscus curtatus
  • Lepisosteus
  • Restoration of the Oligocene-Miocene oreodont mammal Leptauchenia
    †Leptauchenia
  • †Leptictis
  • †Leptocyon
  • †Leptomeryx
  • †Leptoreodon
  • †Leucaena
  • †Limnenetes
  • Lindera
  • †Lisserpeton
    • †Lisserpeton bairdi
  • †Lithornis
    • †Lithornis celetius – type locality for species
  • Lynx
    • A living Lynx rufus, or bobcat
      †Lynx rufus
  • Magnolia
  • Mahonia
  • †Mammut
    • †Mammut americanum
  • †Mammuthus
    • †Mammuthus columbi
    • †Mammuthus primigenius
  • Marchantia
  • Marmota
  • Martes
  • Life restoration of battling males of the Eocene brontothere mammal Megacerops
    †Megacerops
  • †Megahippus
  • †Megalonyx
    • †Megalonyx jeffersonii
  • †Megantereon
  • †Megatylopus
  • †Menodus
  • †Merriamoceros
  • †Merychippus
    • †Merychippus sejunctus
  • †Merychyus
  • Restorative portrait of the Oligocene-Miocene oreodont mammal Merycochoerus
    †Merycochoerus
  • †Merycodus
  • †Merycoides
  • †Merycoidodon
  • †Mesodma
    • †Mesodma formosa
    • †Mesodma garfieldensis – type locality for species
    • †Mesodma pygmaea – type locality for species
    • †Mesodma thompsoni
  • †Mesohippus
  • †Mesoreodon
  • Metasequoia
  • †Metopium
  • Life restoration of the Paleocene-Eocene mammal Miacis
    †Miacis – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Microcosmodon
    • †Microcosmodon harleyi – type locality for species
  • Microtus
    • †Microtus pennsylvanicus – or unidentified comparable form
  • †Mimetodon
  • †Miniochoerus – tentative report
  • †Miohippus – type locality for genus
    • †Miohippus grandis
  • †Monosaulax
  • Morus
  • Mustela
    • †Mustela frenata
  • Myrica
  • †Nanotragulus
  • †Nelumbo
  • Life restoration of a herd of Neohipparion. Robert Bruce Horsfall (1913).
    †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
  • †Nuphar
  • †Nyssa
  • †Odaxosaurus
    • †Odaxosaurus piger
  • A living Odocoileus deer
    Odocoileus – or unidentified comparable form
  • Olar
  • Ondatra
    • †Ondatra zibethicus
  • †Onoclea
  • †Opisthotriton
  • Oreohelix
  • †Oreonetes
  • †Osmanthus
  • †Osmunda
    • †Osmunda greenlandica
  • Ostrya
  • †Otarocyon
  • †Oxyacodon
  • Life restoration of a pair of the Oligocene-Miocene camel Oxydactylus. Robert Bruce Horsfall (1913).
    †Oxydactylus
  • †Palaeogale
  • †Palaeolagus
  • †Palaeoryctes
  • †Palaeosinopa
  • †Palaeosyops
  • †Palatobaena
  • †Paleopsephurus – or unidentified comparable form
  • Paliurus
  • †
  • †Pantolambda
  • †Pantomimus – type locality for genus
  • Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon
    †Paramylodon
    • †Paramylodon harlani
  • †Paramys
  • †Paratomarctus
  • †Parectypodus
    • †Parectypodus sinclairi – type locality for species
    • †Parectypodus sylviae
  • †Parictis
  • †Parthenocissus
  • †Paulownia
  • †Peltosaurus
  • Penthetria
  • †Peraceras
  • Perognathus
  • Peromyscus
    • †Peromyscus maniculatus – or unidentified comparable form
  • Persea
  • Life restoration of the Paleocene-Eocene ungulate Phenacodus. Charles R. Knight (1898).
    †Phenacodus
  • Phragmites
  • Picea
  • †Piceoerpeton
  • Pinus
  • †Pithecolobium
  • †Planetetherium
    • †Planetetherium mirabile – type locality for species
  • †Plastomenoides – type locality for genus
  • Platanus
  • Plecia
  • †Plesiadapis
  • †Pliohippus
  • †Plithocyon
  • †Poebrotherium
  • Illustration of a fossilized skull of the Oligocene false faber-toothed cat Pogonodon
    †Pogonodon
  • Populus
  • †Potentilla
  • †Prochetodon
    • †Prochetodon foxi �� type locality for species
  • †Prodesmodon
  • †Proiridomyrmex
  • †Promerycochoerus
  • †Proscalops
  • †Prosphyracephala
  • Fossil of the Oligocene ant Protazteca
    †Protazteca
  • †Protohippus
  • †Protolabis
  • †Protungulatum
    • †Protungulatum donnae
  • Prunus
  • †Pseudhipparion
  • †Pseudolarix
  • †Pseudomesoreodon – type locality for genus
  • Pseudomyrmex
  • †Pseudotsuga
  • Restoration of the Paleocene taeniodont mammal Psittacotherium
    †Psittacotherium
  • Ptelea
  • Pteris
  • Pterocarya
  • †Ptilodus
    • †Ptilodus kummae
    • †Ptilodus montanus – type locality for species
    • †Ptilodus tsosiensis
  • Life restoration of the Late Cretaceous-Paleocene primate relative Purgatorius
    †Purgatorius
    • †Purgatorius janisae – type locality for species
    • †Purgatorius titusi – type locality for species
    • †Purgatorius unio – type locality for species
  • †Pyracantha
  • Quercus
  • †Rana – or unidentified comparable form
  • Rangifer
    • †Rangifer tarandus
  • †Rhamnus
    • †Rhamnus crocea
  • Rhus
  • †Robinia
  • Rosa
  • Sabal
  • †Saccoloma
  • Salix
  • †Sambucus
  • †Sapindus
  • Sassafras
  • †Scapherpeton
  • †Scaphohippus
  • †Scotiophryne – or unidentified comparable form
  • †Selaginella
  • Sequoia
  • †Simoedosaurus
  • †Simpson
  • †Smilax
  • †Sophora
  • †Sorbus
  • †Sparganium
  • Spea
  • Spermophilus
    • †Spermophilus richardsonii
  • †Spiraea
  • †Stelocyon
  • †Steneofiber
  • Life restoration of the Oligocene-Miocene camel Stenomylus
    †Stenomylus
    • †Stenomylus hitchcocki – or unidentified comparable form
  • Sterculia
  • †Stygimys
    • †Stygimys camptorhiza – or unidentified comparable form
    • †Stygimys jepseni – type locality for species
    • †Stygimys kuszmauli – type locality for species
  • †Subdromomeryx
    • †Subdromomeryx antilopinus
  • †Subhyracodon
  • †Submerycochoerus
    • †Sylvicola fenestralis
  • Sylvilagus
    • †Sylvilagus nuttallii
  • †Symplocarpus
  • †Taeniolabis
    • †Taeniolabis lamberti – type locality for species
  • Life restoration of the Eocene carnivoran relative Tapocyon
    †Tapocyon
  • Taricha
  • Taxodium
  • †Teleoceras
  • †Tetraclaenodon
  • Thomomys
    • †Thomomys talpoides
  • †Thrinax
  • †Thuja
  • †Ticholeptus
  • Tilia
  • †Tinuviel
  • Tipula
  • Life restoration of the Paleocene pantodonts mammal Titanoides
    †Titanoides
    • †Titanoides gidleyi
  • †Trapa
  • †Trigenicus
  • †Trigonias
  • †Tropidia
  • †Tylocephalonyx
  • Typha
  • Ulmus
  • Ursus
  • †Vaccinium
  • †Valenopsalis
  • †Vauquelinia
  • †Viburnum
  • †Viguiera
  • Vitis
  • †Viverravus – tentative report
  • †Woodwardia
  • †Xyronomys
  • Zelkova

References[]

  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021. {{cite web}}: |author= has generic name (help)
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