List of the prehistoric life of Montana
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 Alabama.
Paleozoic
Selected Paleozoic taxa of Montana
- †Achistrum
- †Allenypterus – type locality for genus
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Life restoration of the Carboniferous lobe-finned fish Allenypterus- †Allenypterus montanus – type locality for species
- Ammodiscus
- †Amphiscapha
- †Amplexus
- †Aphelaeceras
- †Athyris
- †Atrypa
- †Aulopora
- †Aviculopecten
- †Aviculopecten kaibabensis – or unidentified comparable form
- †Avonia
- †Bathyuriscus
- †Belantsea – type locality for genus
Restoration of the Carboniferous Chimaera relative Belantsea- †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
- †Caridosuctor – type locality for genus
Fossilized skeleton of the Carboniferous coelacanth Caridosuctor - †Carinoclymenia
- †Cavusgnathus
- †Cheiloceras
- †Chonetes
- †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
- †Composita
Fossilized shell of the Late Devonian-Permian brachiopod 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
- †Delphyodontos – type locality for genus
Life restoration of the Carboniferous Chimaera relative Delphyodontos- †Delphyodontos dacriformes – type locality for species
- †Dendrograptus
- †Dictyonema
- †Dikelocephalus
- †Distomodus
- †Echinaria
- †Edmondia
- †Elrathina
- Eocaudina
- †Falcatus
- †Favosites
- †Fenestella
- †Fenestrella
- †Geragnostus
- †Hadronector – type locality for genus
- †Harpagofututor – type locality for genus
Restoration (bottom) of the Carboniferous "antlered" Chimaera relative Harpagofututor- †Harpagofututor volsellorhinus – type locality for species
- †Helicoprion
- †Hyolithes
- †Hypothyris
- †Hypseloconus
- †Irvingella
- †Janassa
- †Joanellia
- †Kendallina
- †Kootenia
- †Lingula
- †Lingulella
- †Lioestheria
- †Lithostrotion
- †Lloydia
- †Lochmocercus – type locality for genus
- †Maladia
- †Martinia
- †Maryvillia
- †Megalaspidella
- †Megistaspis
Fossil of the Cambrian-Silurian trilobite 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
- †Paladin – tentative report
- †Paleolimulus
- †Paratarrasius – type locality for genus
- †Pelagiella
- †Pentremites
Fossilized theca of the Carboniferous blastoid echinoderm ("sea bud") Pentremites - †Peronopsis
- †Pinna
- †Platyceras
- †Platyclymenia
- †Polyosteorhynchus – type locality for genus
- †Prodentalium
- †Proetus
- †Prographularia
- †Ptychagnostus
- †Ptychoparia
- † Ramesses – type locality for genus
- †Rota
- †Siksika – type locality for genus
- †Siksika ottae – type locality for species
- †Soris – type locality for genus
- †Spathognathodus
- †Spirifer
Fossilized shell of the Late Ordovician-Late Triassic brachiopod 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
- †Stethacanthus
Life restorations of a male (foreground) and female (background) of the Late Devonian-Carboniferous Chimaera relative Stethacanthus - †Syringopora
- †Tornoceras
- †Tylonautilus
- †Westergaardodina
- †Wilkingia
- †Worthenia – tentative report
Mesozoic
Selected Mesozoic taxa of Montana
- †Achelousaurus – type locality for genus
Life restoration of the Late Cretaceous horned dinosaur Achelousaurus- †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
- †Albertaceratops
- †Albertosaurus
- †Allocrioceras
- †Allosaurus
Life restoration of the Late Jurassic theropod dinosaur Allosaurus - †Alphadon
- †Alphadon attaragos
- †Alphadon halleyi – type locality for species
- †Alphadon marshi
- †Alphadon wilsoni
- †Alzadasaurus – tentative report
- Amia
- †Amphicoelias
- †Anatotitan
- †Ankylosaurus – type locality for genus
Life restoration of the Late Cretaceous armored dinosaur Ankylosaurus- †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
- †Avaceratops – type locality for genus
- †Avaceratops lammersi – type locality for species
- †Avisaurus – type locality for genus
Life restoration of the Late Cretaceous toothed bird Avisaurus perched on a crocodilian- †Avisaurus archibaldi – type locality for species
- †Avisaurus gloriae – type locality for species
- Azolla
- †Baculites
- †Baena
- †Bambiraptor – type locality for genus
- †Bambiraptor feinbergi – type locality for species
- Barbourula – or unidentified comparable form
- †Basilemys
Mounted fossilized skeleton of the Cretaceous turtle Basilemys - †Belonostomus
- †Bernissartia
- †Borealosuchus
- Brachaelurus
- †Brachyceratops – type locality for genus
- †Brachyceratops montanensis – type locality for species
- †Brachychampsa – type locality for genus
- †Brachychampsa montana – type locality for species
- †Brachylophosaurus
Fossilized natural mummy of the Late Cretaceous duck-billed dinosaur 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
- †Champsosaurus
Life restoration of the Late Cretaceous-Eocene choristoderan reptile Champsosaurus - †Chasmosaurus – or unidentified comparable form
- Chiloscyllium
- †Chirostenotes
- Chlamys
- †Chondroceras
- †Cimexomys
- †Cimolestes
- †Cimoliasaurus
- †Cimolodon
- †Cimolomys
Life restoration of the face of the Late Cretaceous multituberculate mammal Cimolomys- †Cimolomys clarki – type locality for species
- †Cimolomys gracilis
- †Cimolopteryx
- Cladophlebis
- †Claosaurus
- †Claraia
- †Clidastes
- †Componocancer
- †Compsemys
- †Coniophis
- †Continuoolithus
- †Coriops
- †Corythosaurus
Mounted fossilized skeleton of the Late Cretaceous duck-billed dinosaur Corythosaurus - †Cretolamna
- †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
- †Deinonychus – type locality for genus
Life restoration of the Early Cretaceous dromaeosaur ("raptor") Deinonychus- †Deinonychus antirrhopus – type locality for species
- †Deinosuchus – type locality for genus
- †Deinosuchus rugosus – type locality for species
- Dentalium
- †Derrisemys
- †Diclonius
- †Didelphodon
- †Didymoceras
- †Diplodocus
Life restoration of the Late Jurassic long-necked dinosaur Diplodocus - †Doratodon – or unidentified comparable form
- †Dromaeosaurus
- †Dyoplosaurus
- †Edgarosaurus
- †Edmontonia
- †Edmontonia longiceps
- †Edmontonia rugosidens – type locality for species
- †Edmontosaurus
- †Edmontosaurus annectens
Life restoration of the Late Cretaceous duck-billed dinosaur 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
- †Euoplocephalus
Restoration of the Late Cretaceous armored dinosaur Euoplocephalus - †Eutrephoceras
- †Exiteloceras
- †Exogyra
- Ficus – or unidentified comparable form
- †Gervillia
- †Gilmoremys
- Ginkgo
- †Ginkgoites
- †Glishades – type locality for genus
- †Glishades ericksoni – type locality for species
- †Glyptops
- Glyptostrobus – or unidentified comparable form
- †Gobiconodon – type locality for genus
Mounted fossilized skeleton of the Middle Jurassic-Late Cretaceous mammal Gobiconodon - †Goniobasis
- †Gorgosaurus
- †Gorgosaurus libratus – type locality for species
- †Gryphaea
- †Gryposaurus
- †Gryposaurus latidens – type locality for species
- †Gryposaurus notabilis
- †Habrosaurus
- †Hadrosaurus
- †Hadrosaurus breviceps – type locality for species
- †Hadrosaurus paucidens – type locality for species
- †Hamites
- †Hesperornis
Life restoration of the Late Cretaceous toothed bird Hesperornis - †Hybodus
- †Hybodus montanensis – type locality for species
- †Hypacrosaurus
- †Hypacrosaurus stebingeri – type locality for species
- †Inoceramus
Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size- †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
- †Ischyrhiza
- †Judiceratops – type locality for genus
Life restoration of the Late Cretaceous horned dinosaur Judiceratops- †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
- †Leptoceratops
Life restoration of the Late Cretaceous primitive horned dinosaur Leptoceratops - †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
- †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
- †Montanazhdarcho – type locality for genus
Mounted fossilized skeletons of the Late Cretaceous pterosaur Montanazhdarcho- †Montanazhdarcho minor – type locality for species
- †Montanoceratops
- †Montanoceratops cerorhynchus – type locality for species
- †Montanoolithus – type locality for genus
- †Mosasaurus
- †Myledaphus
- †Mytilus
- †Nanotyrannus
- †Nanotyrannus lancensis – type locality for species
- †Naomichelys – type locality for genus
- †Nelumbo
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A living Nelumbo lotus - †Neocardioceras
- †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
- Odontaspis
A living Odontaspis sand shark- †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
- †Oryctodromeus – type locality for genus
Life restoration of the Late Cretaceous herbivorous dinosaur Oryctodromeus in a burrow- †Oryctodromeus cubicularis – type locality for species
- Ostrea
- †Oxytoma
- †Pachycephalosaurus – type locality for genus
- †Pachycephalosaurus wyomingensis – type locality for species
- †Pagiophyllum
- †Palaeobatrachus
- †Palaeosaniwa
- †Palaeoscincus – type locality for genus
- †Palaeoscincus costatus – type locality for species
- †Palatobaena
- †Paleopsephurus – type locality for genus
- †Paleopsephurus wilsoni – type locality for species
- †Panoplosaurus
Illustration of a fossilized skull of the Late Cretaceous armored dinosaur 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
- †Parapuzosia
Fossilized shell of the Late Cretaceous ammonoid cephalopod Parapuzosia with a human indicating its size- †Parapuzosia bradyi – type locality for species
- †Paronychodon
- †Pectinodon – or unidentified comparable form
- Pholadomya
- 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
- †Prosaurolophus
Mounted fossilized skeleton of the Late Cretaceous duck-billed dinosaur 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
- †Quetzalcoatlus – or unidentified comparable form
Life restoration of a flock of the Late Cretaceous pterosaur Quetzalcoatlus feeding on the ground - †Rhamnus – report made of unidentified related form or using admittedly obsolete nomenclature
- †Richardoestesia
- †Rubeosaurus
- †Rubeosaurus ovatus – type locality for species
- †Rugocaudia – type locality for genus
- †Rugocaudia cooneyi – type locality for species
- †Sagenopteris
- †Sauropelta – type locality for genus
Life restoration of the Early Cretaceous armored dinosaurs Sauropelta- †Sauropelta edwardsorum – type locality for species
- †Saurornitholestes
- †Scapherpeton
- †Scaphites
- †Scolosaurus
- †Scotiophryne – type locality for genus
- †Sequoia
Base of the trunk of a living Sequoia tree with a human to scale - Sphaerium
- †Sphaerotholus
- †Sphaerotholus buchholtzae – type locality for species
- †Sphenopteris
- †Spheroolithus
- †Spheroolithus albertensis
- †Spheroolithus choteauensis – type locality for species
- †Spheroolithus maiasauroides
- †Spiclypeus – type locality for genus
Restoration of the Late Cretaceous horned dinosaur Spiclypeus- †Spiclypeus shipporum – type locality for species
- †Spiriferina – report made of unidentified related form or using admittedly obsolete nomenclature
- Squalicorax
- †Squatirhina
- †Stegoceras
- †Stegosaurus
- †Suuwassea – type locality for genus
- †Suuwassea emilieae – type locality for species
- †Tatankacephalus – type locality for genus
- †Tatankacephalus cooneyorum – type locality for species
- †Tenontosaurus – type locality for genus
Life restoration of the Early Cretaceous Iguanodon relative Tenontosaurus- †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
- †Triceratops
Mounted fossilized skeleton of the Late Cretaceous horned dinosaur Triceratops- †Triceratops horridus
- †Triceratops maximus – type locality for species
- †Triceratops prorsus
- †Trigonia
- Trionyx
- †Triprismatoolithus – type locality for genus
- †Troodon – type locality for genus
- †Troodon formosus – type locality for species
- †Tubercuoolithus – type locality for genus
- Turritella
- †Tylosaurus
- †Tyrannosaurus – type locality for genus
Fossilized skeleton of the Late Cretaceous tyrannosaur Tyrannosaurus- †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
- †Zamites
Fossil of the Early Triassic-Eocene cycad-like frond Zamites - †Zapsalis – or unidentified comparable form
- †Zephyrosaurus – type locality for genus
- †Zephyrosaurus schaffi – type locality for species
Cenozoic
Selected Cenozoic taxa of Montana
- Abies
- Abies
- Acer
- †Acheronodon
- †Acheronodon garbani – type locality for species
- Acipenser
- †Acritohippus
Mounted fossilized skeleton of the Miocene horse Acritohippus - †Aelurodon
- †Aepycamelus
- †Agnotocastor
- †Agriochoerus
- †Agrostis
- †Ailanthus
- Alangium
- Alnus
- †Amebelodon
Life restoration of the Miocene elephant relative Amebelodon. Margret Flinsch (1932). - Amelanchier
- †Amentotaxus
- Amia
- †Ampelopsis
- †Amphechinus
- †Amphicyon
- †Amyzon
- Anas
- †Anas platyrhynchos – or unidentified comparable form
- †Anconodon
- †Anemia
- †Angustidens
- Antilocapra – or unidentified comparable form
- †Aphelops
- †Araucaria
- †Archaeocyon
- †Archaeohippus
- †Arctocyon
- †Arctodus
- †Arctostaphylos
- Arundo
- Arvicola
- †aspera
- †Astronium
- †Athyana
- †Avunculus
- Azolla
Living Azolla water ferns - †Baiotomeus
- †Baiotomeus douglassi
- †Baiotomeus lamberti – type locality for species
- †Bathygenys
- †Berberis
- Berchemia
- Betula
- Bibio – or unidentified related form
- Bison
- †Bison bison
- †Bison latifrons – or unidentified comparable form
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Mounted fossilized skeleton of the Pleistocene Bison latifrons, also known as the giant bison or long-horned bison
- †Bisonalveus
- †Blastomeryx
- †Bootherium
- †Borealosuchus
- †Brachychampsa
- †Brachycrus
- †Brachyrhynchocyon
- †Camelops
- †Canavalia
- Canis
- †Canna
- †Cardiospermum
- Carpinus
- †Carpolestes
Life restoration of the Paleocene primate relative Carpolestes - Carya
- †Cassia
- Castanea
- Castor
- †Castor californicus
- †Castor canadensis
- †Catalpa
- †Catopsalis
- Ceanothus
- Cedrela
- †Celastrus
- Celtis
- Cercidiphyllum
- Cercis
- †Cercocarpus
- †Chamaecyparis
- †Chamops
- †ChampsosaurusLife restoration of the Late Cretaceous-Eocene choristoderan reptile Champsosaurus
- †Chisternon
- †Chriacus
- †Chthonophis – type locality for genus
- †Chthonophis subterraneus – type locality for species
- †Cimexomys
- †Cimexomys minor – type locality for species
- †Cimolestes
- Cinnamomum
A living Cinnamomum, or cinnamon tree - 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
- †Credneria
Fossilized leaf from a Credneria tree - Crematogaster
- Culiseta
- †Cynodesmus
- Cynomys
- †Dalbergia
- †Daphoenictis – or unidentified comparable form
- †Davidia
- †Derrisemys – type locality for genus
- †Desmatochoerus
- †Diceratherium
- †Didymictis
- †Dinictis
Life restoration of the Eocene-Miocene false saber-toothed cat Dinictis. Robert Bruce Horsfall (1913). - †Dinohippus
- †Dioctria – tentative report
- †Diospyros
- †Diphysa
- Dipteronia
- †Dissacus
- Dolichoderus
- †Domnina
- †Dromomeryx
Fossilized horns, jaws, and limb bones of the Miocene deer relative Dromomeryx - Dryopteris
- †Ectocion
- †Elomeryx – tentative report
- †Eoconodon
- †Eotitanops
- †Epicyon
- †Epihippus
- †Equisetum
- Equus
- †Equus conversidens – or unidentified comparable form
- †Eucastor
- †Eucommia
- †Eucommia montana
Fossilized fruit of the Eocene Eucommia montana plant
- †Euonymus
- †Euoplocyon
- Exbucklandia
- Ficus
- Fokienia
- Formica
- †Fraxinus
- Geochelone
- Gerrhonotus – or unidentified comparable form
- Ginkgo
- Gleichenia
- Glyptostrobus
- †Goniacodon
- †Habrosaurus
- †Helaletes
- Helius
- †Helodermoides – type locality for genus
Fossilized skull of the Oligocene lizard Helodermoides- †Helodermoides tuberculatus – type locality for species
- †Herpetotherium
- †Herpetotherium fugax
- †Herpetotherium knighti – or unidentified comparable form
- †Hesperocyon
- †Heteraletes
- †Hiodon
- Holmskioldia
- †Holopogon
- Homo
- †Homotherium
Restoration of Pliocene-Pleistocene Homotherium, or scimitar cat - †Hutchemys – type locality for genus
- †Hyaenodon
- Hydrangea
- †Hydromystria
- †Hyopsodus
- †Hypertragulus
- †Hypisodus
- †Hypohippus
Life restoration of the Miocene horse Hypohippus. Heinrich Harder (1920). - †Hypolagus
- †Hypsiops
- †Hyrachyus
- †Hyracodon
- †Ictidopappus
- †Intyrictis
- †Ischyrhiza – or unidentified comparable form
- †Ischyromys
- Isoetes
- Juglans
- †Juglans regia – or unidentified comparable form
- Juniperus
- †Kerria
- †Kimbetohia
- Koelreuteria
- Lasius
- Laurus
- Lemmiscus
- Lepisosteus
- †Leptauchenia
Restoration of the Oligocene-Miocene oreodont mammal Leptauchenia - †Leptictis
- †Leptocyon
- †Leptomeryx
- †Leptoreodon
- †Leucaena
- †Limnenetes
- Lindera
- †Lisserpeton
- †Lithornis
- †Lithornis celetius – type locality for species
- Lynx
- †Lynx rufus
A living Lynx rufus, or bobcat
- Magnolia
- Mahonia
- †Mammut
- †Mammuthus
- Marchantia
- Marmota
- Martes
- †Megacerops
Life restoration of battling males of the Eocene brontothere mammal Megacerops - †Megahippus
- †Megalonyx
- †Megantereon
- †Megatylopus
- †Menodus
- †Merriamoceros
- †Merychippus
- †Merychyus
- †Merycochoerus
Restorative portrait of the Oligocene-Miocene oreodont mammal 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
- †Miacis – report made of unidentified related form or using admittedly obsolete nomenclature
Life restoration of the Paleocene-Eocene mammal Miacis - †Microcosmodon
- †Microcosmodon harleyi – type locality for species
- Microtus
- †Microtus pennsylvanicus – or unidentified comparable form
- †Mimetodon
- †Miniochoerus – tentative report
- †Miohippus – type locality for genus
- †Monosaulax
- Morus
- Mustela
- Myrica
- †Nanotragulus
- †Nelumbo
- †Neohipparion
Life restoration of a herd of Neohipparion. Robert Bruce Horsfall (1913). - †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
- Odocoileus – or unidentified comparable form
A living Odocoileus deer - Olar
- Ondatra
- †Onoclea
- †Opisthotriton
- Oreohelix
- †Oreonetes
- †Osmanthus
- †Osmunda
- Ostrya
- †Otarocyon
- †Oxyacodon
- †Oxydactylus
Life restoration of a pair of the Oligocene-Miocene camel Oxydactylus. Robert Bruce Horsfall (1913). - †Palaeogale
- †Palaeolagus
- †Palaeoryctes
- †Palaeosinopa
- †Palaeosyops
- †Palatobaena
- †Paleopsephurus – or unidentified comparable form
- Paliurus
- †Pandemonium
- †Pantolambda
- †Pantomimus – type locality for genus
- †Paramylodon
Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon - †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
- †Phenacodus
Life restoration of the Paleocene-Eocene ungulate Phenacodus. Charles R. Knight (1898). - Phragmites
- Picea
- †Piceoerpeton
- Pinus
- †Pithecolobium
- †Planetetherium
- †Planetetherium mirabile – type locality for species
- †Plastomenoides – type locality for genus
- Platanus
- Plecia
- †Plesiadapis
- †Pliohippus
- †Plithocyon
- †Poebrotherium
- †Pogonodon
Illustration of a fossilized skull of the Oligocene false faber-toothed cat Pogonodon - Populus
- †Potentilla
- †Prochetodon
- †Prochetodon foxi – type locality for species
- †Prodesmodon
- †Proiridomyrmex
- †Promerycochoerus
- †Proscalops
- †Prosphyracephala
- †Protazteca
Fossil of the Oligocene ant Protazteca - †Protohippus
- †Protolabis
- †Protungulatum
- Prunus
- †Pseudhipparion
- †Pseudolarix
- †Pseudomesoreodon – type locality for genus
- Pseudomyrmex
- †Pseudotsuga
- †Psittacotherium
Restoration of the Paleocene taeniodont mammal Psittacotherium - Ptelea
- Pteris
- Pterocarya
- †Ptilodus
- †Ptilodus kummae
- †Ptilodus montanus – type locality for species
- †Ptilodus tsosiensis
- †Purgatorius
Life restoration of the Late Cretaceous-Paleocene primate relative 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
- †Rhamnus
- Rhus
- †Robinia
- Rosa
- Sabal
- †Saccoloma
- Salix
- †Sambucus
- †Sapindus
- Sassafras
- †Sassafras hesperia
Fossilized leaf of the Eocene sassafras Sassafras hesperia
- †Scapherpeton
- †Scaphohippus
- †Scotiophryne – or unidentified comparable form
- †Selaginella
- Sequoia
- †Simoedosaurus
- †Simpson
- †Smilax
- †Sophora
- †Sorbus
- †Sparganium
- Spea
- Spermophilus
- †Spiraea
- †Stelocyon
- †Steneofiber
- †Stenomylus
Life restoration of the Oligocene-Miocene camel 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
- †Subhyracodon
- †Submerycochoerus
- Sylvilagus
- †Symplocarpus
- †Taeniolabis
- †Taeniolabis lamberti – type locality for species
- †Tapocyon
Life restoration of the Eocene carnivoran relative Tapocyon - Taricha
- Taxodium
- †Teleoceras
- †Tetraclaenodon
- Thomomys
- †Thomomys talpoides
- †Thrinax
- †Thuja
- †Ticholeptus
- Tilia
- †Tinuviel
- Tipula
- †Titanoides
Life restoration of the Paleocene pantodonts mammal Titanoides - †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 7 August 2017.
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