List of the prehistoric life of Wyoming

From Wikipedia, the free encyclopedia

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

Precambrian[]

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

Paleozoic[]

Selected Paleozoic taxa of Wyoming[]

  • Actinoceras
  • Agassizodus
    • Agassizodus variabilis
  • Agnostogonus
  • Amphiscapha
  • Amplexus
    • Anarthraspis chamberlini
  • Archaeocidaris
  • Life restoration of the Middle-Late Ordovician jawless fish Astraspis
    Astraspis
    • Astraspis desiderata
  • Aviculopecten
    • Aviculopecten basilicus – or unidentified comparable form
    • Aviculopecten girtyi
    • Aviculopecten gryphus
    • Aviculopecten kaibabensis – or unidentified comparable form
  • Bellerophon
  • Blountiella
  • Bowmania
  • Bucheria – type locality for genus
  • Restorative portrait of the Permian synapsid (mammal prescursor) Burnetia
    Burnetia
  • Campodus
  • Caninia
  • Cardipeltis
    • Cardipeltis wallacii
  • Catenipora
  • Cavusgnathus
  • Cedaria
  • Cephalaspis
  • Charactoceras – tentative report
  • Chirognathus
  • Chonetes
  • Cleiothyridina
    • Cleiothyridina atrypoides
    • Cleiothyridina elegans – or unidentified related form
    • Cleiothyridina hirsuta
    • Cleiothyridina sublamellosa – or unidentified related form
  • Coleodus
  • Fossilized shell of the Late Devonian-Permian brachiopod Composita
    Composita
    • Composita elongata
    • Composita laevis – or unidentified related form
    • Composita mira
    • Composita ovata
    • Composita sigma
    • Composita subquadrata
    • Composita subtilita
    • Composita sulcata
  • Conocardium
  • Coosella
  • Coosia
  • Coosina
  • Cordylodus
  • Crepicephalus
  • Ctenacanthus
    • Ctenacanthus amblyxiphias
  • Cyrtogomphoceras
  • Deckera
  • Dentalium
  • Distichophytum
  • Drepanophycus
  • Earlandia
  • Fossilized shells and restored appearances of the Middle-Late Ordovician nautiloid cephalopod Endoceras
    Endoceras
  • Euomphalus
  • Favosites
  • Gastrioceras – report made of unidentified related form or using admittedly obsolete nomenclature
  • Genevievella
  • Geragnostus
  • Girvanella
  • Glikmanius
    • Glikmanius occidentalis
  • Glyptopleura
  • Goniatites – tentative report
  • Gosslingia
  • Life restoration of the Permian Chimaera relative Helicoprion
    Helicoprion
    • Helicoprion davisii
  • Homagnostus
  • Hyolithes
  • Hypseloconus
  • Idiognathoides
  • Ithyektyphus
  • Janassa
  • Kendallina
  • Kingstonia
  • Kionoceras
  • Kochoceras
  • Lambeoceras
  • Leclercqia
  • Lingula
  • Lingulella
  • Liroceras
  • Lonchocephalus
  • Maryvillia
  • Metacoceras
  • Restoration of the Cambrian trilobite Meteoraspis
    Meteoraspis
  • Micromitra
  • Minicephalus – type locality for genus
  • Naticopsis
    • Naticopsis judithae
    • Naticopsis kaibabensis
    • Naticopsis marthaae – or unidentified comparable form
  • Neospirifer
    • Neospirifer bakeri
  • Nucula – tentative report
  • Olenoides
  • Ozarkodina
  • Paladin
  • Paractinoceras
  • Peripetoceras
  • Fossilized shell of the Ordovician brachiopod Plaesiomys
    Plaesiomys
  • Platyceras
  • Platystrophia
  • Posidonia
  • Prodentalium
  • Protaspis
  • Pseudomelania – tentative report
  • Psilophyton
  • Rawlinsella
  • Renalia
  • Sallya
  • Fossil of the Cambrian-Ordovician trilobite Saukiella
    Saukiella
  • Sawdonia
  • Solemya
  • Solenochilus
  • Spiriferina
  • Spyroceras
  • Stearoceras
  • Streptognathodus
  • Strophomena
  • Syspacheilus
  • Tainoceras
  • Tetrataxis
  • Fossil of the Cambrian trilobite Tricrepicephalus
    Tricrepicephalus
  • Uncaspis
  • Uranolophus
  • Westonoceras
  • Wilkingia
  • Winnipegoceras
  • Worthenia
  • Zellerina

Mesozoic[]

Selected Mesozoic taxa of Wyoming[]

  • Illustration of a living Acipenser sturgeon
    Acipenser
  • Adocus
  • Agathaumas – type locality for genus
    • Agathaumas sylvestris – type locality for species
  • Agerostrea
  • Albanerpeton
    • Albanerpeton galaktion
    • Albanerpeton nexuosus – type locality for species
  • Albertosaurus – or unidentified comparable form
  • Allognathosuchus
  • Life restoration of the Late Jurassic theropod dinosaur Allosaurus
    Allosaurus – type locality for genus
    • Allosaurus fragilis – type locality for species
  • Alphadon
    • Alphadon attaragos – type locality for species
    • Alphadon halleyi
    • Alphadon marshi
    • Alphadon sahnii
  • Amblotherium – type locality for genus
  • Amia
  • Amphicoelias
    • Amphicoelias brontodiplodocus – type locality for species
  • Amphidon – type locality for genus
    • Amphidon superstes – type locality for species
  • Anaklinoceras
  • Anaschisma – type locality for genus
  • Ancorichnus
  • Andromeda
  • Anemia
  • Angistorhinus – type locality for genus
    • Angistorhinus aeolamnis – type locality for species
    • Angistorhinus gracilis – type locality for species
    • Angistorhinus grandis – type locality for species
    • Angistorhinus maximus – type locality for species
  • Anisoceras
  • Image of restored specimen of a squat quadruped with knobby back
    Life restoration of the Late Cretaceous armored dinosaur Ankylosaurus
    Ankylosaurus
    • Ankylosaurus magniventris
  • Anomia
  • Anona
  • Antrimpos
  • Apatosaurinae
  • Apatosaurus
    • Apatosaurus louisae
    • Apatosaurus minimus
  • Aploconodon – type locality for genus
    • Aploconodon comoensis – type locality for species
  • Aporrhais
  • Aquilina – type locality for genus
  • Aralia
  • Foliage and cones of a living Araucaria tree
    Araucaria
  • Arca – report made of unidentified related form or using admittedly obsolete nomenclature
  • Archaeotrigon – type locality for genus
  • Arcticoceras
  • Arenicolites
  • Aspideretes
  • Asplenium
  • Astarta
  • Astarte
  • Atira – tentative report
  • Atokatheridium – or unidentified comparable form
  • Aublysodon
    • Aublysodon mirandus
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites
    Baculites
    • Baculites asper
    • Baculites asperiformis
    • Baculites baculus
    • Baculites clinolobatus
    • Baculites cobbani
    • Baculites codyensis
    • Baculites crickmayi
    • Baculites elaisi
    • Baculites eliasi
    • Baculites gilberti
    • Baculites grandis
    • Baculites gregoryensis
    • Baculites haresi
    • Baculites jenseni – or unidentified comparable form
    • Baculites mariasensis
    • Baculites mclearni
    • Baculites obtusus
    • Baculites perplexus
    • Baculites reesidei
    • Baculites rugosus
    • Baculites scotti
  • Baena
  • Baptanodon
  • Barbatia – tentative report
  • Restoration of the Late Jurassic sauropod dinosaur Barosaurus rearing to defend itself against a pair of the theropod Allosaurus
    Barosaurus
    • Barosaurus lentus
  • Basilemys
  • Belonostomus
    • Belonostomus longirostris
  • Bombur
  • Borealosuchus
    • Borealosuchus sternbergii – type locality for species
  • Botula
    • Botula ripleyana
  • Brachaelurus
  • Brachiosaurus
  • Brachybrachium – type locality for genus
    • Brachybrachium brevipes – type locality for species
  • Brachychampsa
    • Brachychampsa montana
  • Brachyphyllum
  • Brontopodus – or unidentified comparable form
  • Life restoration of a herd of the Late Jurassic sauropod dinosaur Brontosaurus
    Brontosaurus – type locality for genus
    • Brontosaurus excelsus – type locality for species
    • Brontosaurus parvus – type locality for species
    • Brontosaurus yahnahpin – type locality for species
  • Bryceomys
  • Cadoceras
  • Callista
  • Calycoceras
  • Camarasaurus – type locality for genus
    • Camarasaurus grandis – type locality for species
    • Camarasaurus lentus – type locality for species
  • Campeloma
  • Camptosaurus
    • Camptosaurus dispar – type locality for species
  • Canna
  • Cedrobaena
  • Celastrus – tentative report
  • Ceramornis – type locality for genus
    • Ceramornis major – type locality for species
  • Ceratodus
  • Restoration of the Late Jurassic ceratosaur Ceratosaurus
    Ceratosaurus
  • Cercidiphyllum
  • Cerithium – tentative report
  • Chamops – type locality for genus
  • Champsosaurus
  • Chelonipus – or unidentified comparable form
  • Chiloscyllium
  • Chirotherium
    • Chirotherium barthii
  • Chlamys
  • Chondroceras
  • Cimexomys
    • Cimexomys minor
  • Cimolestes
    • Cimolestes incisus – type locality for species
    • Cimolestes stirtoni – type locality for species
  • Cimolodon
    • Cimolodon nitidus – type locality for species
  • Life restoration of the face of the Late Cretaceous multituberculate mammal Cimolomys
    Cimolomys
    • Cimolomys clarki
    • Cimolomys gracilis – type locality for species
    • Cimolomys parvus – type locality for species
  • Cimolopteryx
    • Cimolopteryx maxima – type locality for species
    • Cimolopteryx rara
  • Cinnamomum
  • Cissus
  • Cladophlebis
    • Cladophlebis parva
    • Cladophlebis readi – type locality for species
    • Cladophlebis wyomingensis – type locality for species
  • Claraia
    • Claraia clarai
    • Claraia mulleri
    • Claraia stachei
  • Clemensodon – type locality for genus
    • Clemensodon megaloba – type locality for species
  • Coelosuchus – type locality for genus
  • Life restoration of the Late Jurassic primmitive tyrannosaur Coelurus
    Coelurus – type locality for genus
    • Coelurus fragilis – type locality for species
  • Collignoniceras
    • Collignoniceras woollgari
  • Comobatrachus – type locality for genus
  • Comodactylus – type locality for genus
    • Comodactylus ostromi – type locality for species
  • Comodon – type locality for genus
    • Comodon gidleyi – type locality for species
  • Comonecturoides – type locality for genus
  • Comotherium – type locality for genus
  • Compsemys
  • Illustration of fossilized vertebrae of the Late Cretaceous-Eocene snake Coniophis. Othniel Charles Marsh (1892).
    Coniophis – type locality for genus
  • Corax
  • Corbula
  • Coriops
  • Corosaurus
    • Corosaurus alcovensis
  • Crenella
  • Cretorectolobus
    • Cretorectolobus olsoni
  • Ctenacodon – type locality for genus
    • Ctenacodon laticeps – type locality for species
    • Ctenacodon scindens – type locality for species
    • Ctenacodon serratus – type locality for species
  • Cteniogenys – type locality for genus
  • Cucullaea
  • Cunningtoniceras
  • Cuspidaria
  • Dakotasaurus – type locality for genus
  • Daspletosaurus
  • Life restoration of the Early Cretaceous dromaeosaur ("raptor") Deinonychus
    Deinonychus
  • Deltatheroides – or unidentified comparable form
  • Dennstaedtia
  • Dentalium
    • Dentalium pauperculum
  • Derrisemys
  • Desmatosuchus
  • Dicotyledon
  • Restoration of the Late Cretaceous marsupial relative Didelphodon
    Didelphodon
  • Didymoceras
    • Didymoceras nebrascense
    • Didymoceras stevensoni
  • Dinochelys
  • Diospyros
  • Diplocraterion
  • Diplodocinae
  • Life restoration of the Late Jurassic long-necked dinosaur Diplodocus
    Diplodocus
    • Diplodocus carnegii – type locality for species
    • Diplodocus hallorum
    • Diplodocus longus
  • Discoscaphites
  • Docodon – type locality for genus
    • Docodon affinis – type locality for species
    • Docodon crassus – type locality for species
    • Docodon striatus – type locality for species
    • Docodon superus – type locality for species
    • Docodon victor – type locality for species
  • Dolichobrachium – type locality for genus
  • Mounted fossilized skeleton of the Late Cretaceous plesiosaur Dolichorhynchops
    Dolichorhynchops
    • Dolichorhynchops bonneri – type locality for species
    • Dolichorhynchops osborni
  • Doratodon – tentative report
  • Dorsetisaurus
  • Drinker – type locality for genus
    • Drinker nisti – type locality for species
  • Dromaeosaurus
  • Dryolestes – type locality for genus
  • Dryopteris
  • Dryosaurus
    • Dryosaurus altus – type locality for species
  • Dryptosaurus – or unidentified comparable form
  • Dyslocosaurus – type locality for genus
    • Dyslocosaurus polyonychius – type locality for species
  • Echidnocephalus – tentative report
  • Edmontonia
    • Edmontonia rugosidens – or unidentified comparable form
  • Edmontosaurus
    • Life restoration of the Late Cretaceous duck-billed dinosaur Edmontosaurus annectens
      Edmontosaurus annectens – type locality for species
  • Elaphrosaurus – tentative report
  • Elasmosaurus
  • Emarginachelys
  • Enneabatrachus – type locality for genus
    • Enneabatrachus hechti – type locality for species
  • Eobatrachus – type locality for genus
  • Eocephalites
  • Eopelobates
  • Equisetum
  • Essonodon
    • Essonodon browni
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Eubostrychoceras
    Eubostrychoceras
  • Eubrachiosaurus – type locality for genus
    • Eubrachiosaurus browni – type locality for species
  • Eucalycoceras
  • Eucrossorhinus
  • Euomphaloceras
  • Euspira
  • Euthlastus – type locality for genus
  • Eutrephoceras
  • Eutretauranosuchus
    • Eutretauranosuchus delfsi
  • Exiteloceras
  • Exogyra
    • Exogyra costata
  • Fasciolaria
  • Ficus
  • Forresteria
  • Fosterovenator – type locality for genus
  • Foxraptor – type locality for genus
  • Fraxinus
  • Galeamopus
    • Galeamopus hayi
    • Galeamopus pabsti – type locality for species
  • Mounted fossilized skeleton of the Late Jurassic armored dinosaur Gargoyleosaurus
    Gargoyleosaurus
    • Gargoyleosaurus parkpinorum
  • Gerrhonotus – or unidentified comparable form
  • Gervillaria
  • Gervillia
  • Gilmoremys
    • Gilmoremys lancensis – type locality for species
  • Ginglymostoma
  • Ginkgo
    • Ginkgo adiantoides – tentative report
  • Glyptops – type locality for genus
  • Glyptostrobus
  • Fossilized skeleton of the Middle Jurassic-Late Cretaceous mammal Gobiconodon
    Gobiconodon
  • Goniopholis
  • Gryphaea
  • Habrosaurus – type locality for genus
    • Habrosaurus dilatus – type locality for species
  • Hamites
  • Haplocanthosaurus
  • Harpactognathus – type locality for genus
    • Harpactognathus gentryii – type locality for species
  • Heptasuchus – type locality for genus
    • Heptasuchus clarki – type locality for species
  • Life restoration of the Late Jurassic stegosaur Hesperosaurus
    Hesperosaurus – type locality for genus
    • Hesperosaurus mjosi – type locality for species
  • Heteroceras
  • Hoploscaphites
    • Hoploscaphites birkelundae – type locality for species
    • Hoploscaphites gilli
    • Hoploscaphites nodosus
    • Hoploscaphites plenus
    • Hoploscaphites quadrangularis
  • Hybodus
    • Hybodus montanensis
    • Hybodus wyomingensis – type locality for species
  • Hyperodapedon
    • Hyperodapedon sanjuanensis – or unidentified comparable form
  • Ichthyodectes
  • Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size
    Inoceramus
    • Inoceramus agdjakendensis – or unidentified comparable form
    • Inoceramus americanus – type locality for species
    • Inoceramus anglicus
    • Inoceramus balchii
    • Inoceramus barabini
    • Inoceramus crispii
    • Inoceramus deformis
    • Inoceramus dimidius
    • Inoceramus erectus – or unidentified related form
    • Inoceramus fibrosus
    • Inoceramus fragilis – or unidentified related form
    • Inoceramus gibbosus
    • Inoceramus glacierensis
    • Inoceramus grandis
    • Inoceramus incurvus
    • Inoceramus lundbreckensis
    • Inoceramus perplexus
    • Inoceramus prefragilis
    • Inoceramus proximus – or unidentified related form
    • Inoceramus sagensis
    • Inoceramus subcircularis
    • Inoceramus subcompressus
    • Inoceramus sublaevis
    • Inoceramus tenuirostratus
    • Inoceramus tenuiumbonatus – or unidentified comparable form
    • Inoceramus turgidus – or unidentified related form
    • Inoceramus typicus
    • Inoceramus umbonatus
    • Inoceramus undabundus
  • Ischyrhiza
    • Ischyrhiza avonicola – type locality for species
    • Ischyrhiza basinensis – type locality for species
    • Ischyrhiza mira
  • Isognomon
  • Isurus – tentative report
  • Janumys
  • Jeletzkytes
    • Jeletzkytes dorfi – type locality for species
  • Kaatedocus – type locality for genus
    • Kaatedocus siberi – type locality for species
  • Fossilized skeleton of the Late Triassic amphibian Koskinonodon
    Koskinonodon – type locality for genus
  • Laolestes – type locality for genus
    • Laolestes eminens – type locality for species
    • Laolestes goodrichi – type locality for species
    • Laolestes oweni – type locality for species
  • Laopteryx – type locality for genus
  • Laosaurus – type locality for genus
    • Laosaurus celer – type locality for species
  • Laurus
  • Lepidotes – or unidentified related form
  • Lepisosteus
  • Leptalestes
    • Leptalestes cooki – type locality for species
    • Leptalestes krejcii
  • Life restoration of the Late Cretaceous primitive horned dinosaur Leptoceratops
    Leptoceratops
    • Leptoceratops gracilis
  • Lima
  • Lingula
  • Liquidambar
  • Lisserpeton
    • Lisserpeton bairdi
  • Lissodus
  • Lonchidion – type locality for genus
  • Lonchodytes – type locality for genus
    • Lonchodytes estesi – type locality for species
  • Lucina
  • Lunatia – tentative report
  • Lygodium
  • Macelognathus – type locality for genus
  • Mactra
  • Mecochirus
  • Life restoration of the Late Jurassic plesiosaur Megalneusaurus
    Megalneusaurus
    • Megalneusaurus rex – type locality for species
  • Megasphaeroceras
  • Melvius
  • Meniscoessus
    • Meniscoessus intermedius
    • Meniscoessus robustus – type locality for species
    • Meniscoessus seminoensis – type locality for species
  • Menuites
  • Mesodma
    • Mesodma formosa
    • Mesodma hensleighi
    • Mesodma primaeva
    • Mesodma thompsoni – type locality for species
  • Metoicoceras
    • Metoicoceras geslinianum
    • Metoicoceras mosbyense – or unidentified comparable form
  • Life restoration of the Early Cretaceous oviraptorosaur Microvenator
    Microvenator
    • Microvenator celer
  • Modiolus
  • Morosaurus
  • Myledaphus
    • Myledaphus bipartitus
  • Myophorella
    • Myophorella yellowstonensis
  • Myrica
  • Mytilus
  • Nanocuris
  • Nanosaurus
    • Nanosaurus rex
  • Nanotyrannus – tentative report
  • Naomichelys
  • Nelumbo
  • Neocardioceras
    • Neocardioceras laevigatum – type locality for species
    • Neocardioceras minutum – type locality for species
    • Neocardioceras transiens
    • Neocardioceras uptonense – type locality for species
  • Neoplagiaulax
  • Nerinea – tentative report
  • Historical reconstruction of the holotype skeleton from 1921
    Nodosaurus – type locality for genus
    • Nodosaurus textilis – type locality for species
  • Normannites – tentative report
  • Nucula
  • Obamadon
    • Obamadon gracilis
  • Odaxosaurus – type locality for genus
    • Odaxosaurus piger – type locality for species
  • Odontaspis
  • Oklatheridium
  • Onoclea
  • Ophiopsis
  • Life restoration of the Late Jurassic ichthyosaur Ophthalmosaurus
    Ophthalmosaurus
    • Ophthalmosaurus natans
  • Opisthias
  • Opisthotriton
  • Ornitholestes – type locality for genus
    • Ornitholestes hermanni – type locality for species
  • Ornithomimus
    • Ornithomimus minutus
    • Ornithomimus sedens – type locality for species
    • Ornithomimus velox – or unidentified comparable form
  • Osmakasaurus – tentative report
    • Osmakasaurus depressus
  • Ostrea
  • Othnielia
  • Othnielosaurus
    • Othnielosaurus consors – type locality for species
  • Oxytoma
  • Pachycephalosaurus
    Pachycephalosaurus
    • Pachycephalosaurus wyomingensis – type locality for species
  • Pachyrhizodus
  • Pachyteuthis
  • Palaeobatrachus
  • Palaeosaniwa – type locality for genus
    • Palaeosaniwa canadensis – type locality for species
  • Paleopsephurus
    • Paleopsephurus wilsoni
  • Paleorhinus
    • Paleorhinus parvus – type locality for species
  • Paliurus
  • Pantosaurus – type locality for genus
    • Pantosaurus striatus – type locality for species
  • Paracimexomys
    • Paracimexomys priscus
  • Paradiscoglossus – type locality for genus
  • Paralbula
  • Paramacellodus
  • Life restoration of the Late Triassic phytosaur Parasuchus
    Parasuchus
  • Paressonodon
  • Pariguana – type locality for genus
  • Parikimys
  • Paronychodon
    • Paronychodon lacustris – type locality for species
  • Paurodon – type locality for genus
  • Pecopteris
  • Pecten
  • Pectinodon – type locality for genus
    • Pectinodon bakkeri – type locality for species
  • Persea – report made of unidentified related form or using admittedly obsolete nomenclature
  • Phoenicites
    Phoenicites – or unidentified comparable form
  • Pholadomya
    • Pholadomya inaequiplicata
    • Pholadomya kingi
  • Phragmites
  • Phyllodus
  • Physa – or unidentified comparable form
  • Piceoerpeton
  • Pinna
  • Pinus
  • Pistacia
  • Pistia
  • Placenticeras
    • Placenticeras intercalare
    • Placenticeras meeki
    • Placenticeras pseudoplacenta
  • Plagiostoma
  • Planorbis
  • Platanus
  • Life restoration of the Late Cretaceous mosasaur Platecarpus
    Platecarpus
    • Platecarpus tympaniticus
  • Platymya
  • Platypterygius
  • Plesiobaena
  • Plesiopleurodon – type locality for genus
    • Plesiopleurodon wellesi – type locality for species
  • Plesiosaurus
  • Plicatula
  • Polinices
  • Polycotylus
  • Restoration of the Late Triassic crocodile relative Poposaurus with an anachronistic human to scale
    Poposaurus – type locality for genus
    • Poposaurus gracilis – type locality for species
  • Populus
  • Potamoceratodus
  • Potamornis – type locality for genus
    • Potamornis skutchi – type locality for species
  • Priacodon
    • Priacodon ferox – type locality for species
    • Priacodon grandaevus – type locality for species
    • Priacodon lulli – type locality for species
    • Priacodon robustus – type locality for species
  • Prodesmodon – type locality for genus
  • Prodiplocynodon – type locality for genus
    • Prodiplocynodon langi – type locality for species
  • Protocardia
  • Fossilized mandible of the Late Cretaceous-Paleocene mammal Protungulatum
    Protungulatum – tentative report
  • Prunus
  • Psalodon
    • Psalodon fortis – type locality for species
    • Psalodon marshi – type locality for species
    • Psalodon potens – type locality for species
  • Pseudoperna
    • Pseudoperna congesta
  • Pteraichnus
    • Pteraichnus stokesi – type locality for species
  • Life restoration of the Late Cretaceous pterosaur Pteranodon
    Pteranodon
    • Pteranodon longiceps
  • Pteria
  • Pterodactylus
    • Pterodactylus montanus – type locality for species
  • Ptilotodon
  • Ptychotrygon
    • Ptychotrygon boothi – type locality for species
  • Quercus
  • Rhamnus
  • Rhinobatos
  • Rhizocorallium
  • Richardoestesia
    • Richardoestesia isosceles
  • Rostellaria – tentative report
  • Saccoloma – report made of unidentified related form or using admittedly obsolete nomenclature
  • Salix
  • Salpichlaena
  • Sassafras
  • Saurexallopus – type locality for genus
  • Saurocephalus
  • Saurolophus
  • Sauropelta
    • Sauropelta edwardsorum
  • Diagram illustrating the Early Cretaceous long-necked dinosaur Sauroposeidon with anachronistic humans to scale
    Sauroposeidon
    • Sauroposeidon proteles
  • Saurornithoides – or unidentified comparable form
  • Saurornitholestes
  • Sauvagesia
  • Scapanorhynchus
    • Scapanorhynchus texanus
  • Scapherpeton
  • Scaphites
    • Scaphites aquilaensis
    • Scaphites binneyi
    • Scaphites hippocrepis
    • Scaphites stantoni
    • Scaphites ventricosus
    • Scaphites whitfieldi
  • Scotiophryne
  • Scyliorhinus
  • A living Selaginella, or spikemoss
    Selaginella
  • Sequoia
  • Skolithos
  • Smilax
  • Socognathus
  • Solemya
  • Sparganium
  • Sphaerium – or unidentified comparable form
  • Sphenodiscus
    • Sphenodiscus lobatus – or unidentified comparable form
    • Sphenodiscus pleurisepta
  • Sphenopteris
  • Restoration of the Late Cretaceous shark Squalicorax
    Squalicorax
    • Squalicorax kaupi
    • Squalicorax pristodontus
  • Squatirhina
    • Squatirhina americana – type locality for species
  • Staphylea
  • Stegopelta – type locality for genus
    • Stegopelta landerensis – type locality for species
  • Restoration of the Late Jurassic stegosaur Stegosaurus
    Stegosaurus – type locality for genus
    • Stegosaurus armatus – type locality for species
    • Stegosaurus longispinus – type locality for species
    • Stegosaurus stenops
    • Stegosaurus sulcatus – type locality for species
    • Stegosaurus ungulatus – type locality for species
  • Sterculia
  • Stokesosaurus – tentative report
    • Stokesosaurus clevelandi
  • Struthiomimus – or unidentified comparable form
  • Styxosaurus
    • Styxosaurus browni – type locality for species
  • Restoration in multiple views of the Late Jurassic sauropod dinosaur Supersaurus with an anachronistic human to scale
    Supersaurus
    • Supersaurus vivianae
  • Tanycolagreus – type locality for genus
    • Tanycolagreus topwilsoni – type locality for species
  • Tatenectes
    • Tatenectes laramiensis – type locality for species
  • Tathiodon – type locality for genus
  • Tenea
  • Tenontosaurus
    • Tenontosaurus tilletti
  • Teredo
  • Thalassinoides
  • Theatonius – type locality for genus
  • Theretairus – type locality for genus
  • Life restoration of the Late Cretaceous herbivorous dinosaur Thescelosaurus
    Thescelosaurus – type locality for genus
    • Thescelosaurus neglectus – type locality for species
  • Thoracosaurus – or unidentified comparable form
  • Thracia
  • Thyasira
  • Thyrsopteris
  • Tinodon – type locality for genus
  • Torosaurus – type locality for genus
    • Torosaurus latus – type locality for species
  • Torotix – type locality for genus
    • Torotix clemensi – type locality for species
  • Torvosaurus – type locality for genus
    • Torvosaurus tanneri – type locality for species
  • Trachodon
  • Tragodesmoceras
    • Tragodesmoceras carlilense
  • Trapa
  • Mounted fossilized skeleton of the Late Cretaceous horned dinosaur Triceratops
    Triceratops – type locality for genus
    • Triceratops horridus – type locality for species
    • Triceratops ingens – type locality for species
    • Triceratops prorsus – type locality for species
    • Triceratops sulcatus – type locality for species
  • Trigonia
    • Trigonia americana
    • Trigonia elegantissima
    • Trigonia montanaensis
    • Trigonia quadrangularis
  • Trioracodon
    • Trioracodon bisulcus – type locality for species
  • Troodon
    • Troodon formosus
  • Typha
  • Fossilized skeleton of the Late Cretaceous tyrannosaur Tyrannosaurus
    Tyrannosaurus – type locality for genus
    • Tyrannosaurus rex – type locality for species
  • Uluops – type locality for genus
    • Uluops uluops – type locality for species
  • Unio
  • Vanikoro
  • Viburnum
  • Vitis
  • Viviparus – or unidentified comparable form
  • Weichselia
  • Williamsonia – tentative report
  • Woodwardia
  • Xenocephalites
  • Xiphactinus
  • Yoldia
  • Fossil of the Early Triassic-Eocene cycad-like frond Zamites
    Zamites
    • Zamites arcticus
    • Zamites borealis
    • Zamites brevipennis
  • Zapsalis – or unidentified comparable form
  • Zephyrosaurus – or unidentified comparable form
  • Zofiabaatar – type locality for genus
    • Zofiabaatar pulcher – type locality for species

Cenozoic[]

Selected Cenozoic taxa of Wyoming[]

  • Abuta – or unidentified related form
  • Acacia
  • Accipiter
    • Accipiter gentilis
    • Living adult (center) and chick (lower right) Accipiter striatus, or sharp-shinned hawks
      Accipiter striatus
  • Acer
  • Acidomomys – type locality for genus
  • Acrostichum
  • Adilophontes – type locality for genus
  • Adocus
  • Aegialia
  • Aegolius
    • Aegolius acadicus
    • Aegolius funereus
  • Life restoration of the Miocene camel Aepycamelus, or the long-necked camel. Heinrich Harder (1920).
    Aepycamelus
  • Aesculus
  • Afairiguana – type locality for genus
    • Afairiguana avius – type locality for species
  • Agelaius
    • Agelaius phoeniceus
  • Agnotocastor
  • Agriochoerus
  • Ailanthus
  • Alastor
  • Alces
    • Alces alces
  • Alchornea – or unidentified related form
  • Aletodon
  • Aletomeryx
    Aletomeryx
  • Aleurites
  • Allognathosuchus
  • Allophylus
  • Alnus
  • Amentotaxus
  • Amia
  • Amitabha – type locality for genus
    • Amitabha urbsinterdictensis – type locality for species
  • Ampelopsis
  • Amphechinus
  • Amphiuma
  • Amyda
  • Anamirta – or unidentified comparable form
  • Anas
    • Anas acuta
    • A living Spatula clypeata, or northern shoveler
      Anas clypeata
    • Anas crecca
    • Anas platyrhynchos
  • Anconodon
  • Anemia
  • Anniealexandria – type locality for genus
  • Anobium
  • Anolbanolis – type locality for genus
    • Anolbanolis banalis – type locality for species
    • Anolbanolis geminus – type locality for species
  • Anosteira
  • Antherophagus
  • Anthonomus
  • Antilocapra
    • Antilocapra americana
  • Apalone
  • Aphelops
  • Aquila
    • Aquila chrysaetos
  • Aralia
  • Araneus
  • Araucaria
  • Archaeocyon
  • Archaeotherium
  • Archaerhineura – type locality for genus
  • Arctocyon
  • Restoration of an Arctodus, or short-faced bear, with a human to scale
    Arctodus
    • Arctodus simus
  • Arctostaphylos
  • Arenahippus
  • Aristolochia
  • Armintomys
    • Armintomys tullbergi
  • Artocarpus – tentative report
  • Asarkina
  • Asio
    • Asio flammeus
    • A living Asio otus, or long-eared owl
      Asio otus
  • Asplenium
  • Astronium
  • Athyana
  • Avunculus
  • Aythya
    • Aythya collaris
  • Azolla
  • Babibasiliscus – type locality for genus
  • Baena
  • Bahndwivici – type locality for genus
    • Bahndwivici ammoskius – type locality for species
  • Baiotomeus
    • Baiotomeus douglassi
    • Baiotomeus lamberti
  • Life restoration of the Paleocene-Eocene pantodont mammal Barylambda
    Barylambda
  • Bathornis
  • Bathygenys
  • Bathyopsis
  • Batodonoides
  • Batrachosauroides – tentative report
  • Bauhinia
  • Beilschmiedia
  • Berosus
  • Betula
  • Biomphalaria
  • Bison
    • Bison bison
  • Bisonalveus – type locality for genus
    • Bisonalveus browni – type locality for species
  • Blechnum
  • Bledius
  • Fossilized skeleton of the eocene-?Miocene boa snake Boavus
    Boavus – type locality for genus
  • Boletina
  • Bootherium
    • Bootherium bombifrons
  • Borealosuchus
    • Borealosuchus formidabilis
    • Borealosuchus wilsoni – type locality for species
  • Boverisuchus
    • Boverisuchus vorax
  • Restorative portrait of the Miocene oreodont mammal Brachycrus
    Brachycrus
  • Brachyhyops
  • Brachyrhynchocyon
  • Brachyuranochampsa – type locality for genus
    • Brachyuranochampsa eversolei – type locality for species
  • Bracon
  • Branta
    • Branta canadensis
  • Brontops
  • Bryophyte – or unidentified related form
  • Bubo
    • Bubo virginianus
  • Buteo
    • A living Buteo jamaicensis, or red-tailed hawk
      Buteo jamaicensis
    • Buteo lagopus
    • Buteo regalis – or unidentified comparable form
  • Buteogallus
  • Caedocyon
    • Caedocyon tedfordi – type locality for species
  • Caenopus
  • Caesalpinia
  • Calamospiza
    • Calamospiza melanocorys
  • Calidris
    • Calidris melanotos
  • Callomyia
  • Camelops
    • Camelops hesternus – or unidentified comparable form
  • Canarium
  • Canavalia
  • Canis
    • Skeletons look identical
      Modern mounted skeleton of Canis lupus, the grey wolf, to scale with a fossilized skeleton of the Pleistocene wolf Canis dirus, or dire wolf
      Canis dirus
    • Canis latrans
    • Canis lupus
  • Cantius
    • Cantius abditus – type locality for species
    • Cantius frugivorus
    • Cantius mckennai
    • Cantius ralstoni
    • Cantius torresi
    • Cantius trigonodus – type locality for species
  • Capella
    • Capella gallinago
  • Caracara
    • Caracara plancus
  • Cardiospermum
  • Carduelis
  • Carpolestes
  • Carya
  • Castanea
  • Castor
  • Catopsalis
    • Catopsalis alexanderi
    • Catopsalis calgariensis
  • Cedrela
  • Cedrobaena – type locality for genus
  • Celastrus
  • Celtis
  • Centrocercus
    • Centrocercus urophasianus
  • Cephalogale
  • Ceratophyllum
    • Ceratophyllum muricatum
  • Life restoration of the Paleocene-Eocene crocodilian Ceratosuchus
    Ceratosuchus
    • Ceratosuchus burdoshi
  • Cercidiphyllum
  • Cercopis
  • Champsosaurus
  • Chara
  • Charadrius
    • Charadrius montanus
    • Charadrius vociferus
  • Charina
  • Cheilosia
  • Chelomophrynus – type locality for genus
  • Chilostigma – tentative report
  • Chironomus
  • Fossilized skeleton of the Eocene turtle Chisternon
    Chisternon
  • Cholula
  • Choragus
  • Chordeiles
    • Chordeiles minor
  • Chriacus
    • Chriacus oconostotae
  • Cimolestes
  • Cinnamomum
  • Circus
    • Circus cyaneus
  • Cissus
  • Cixius – tentative report
  • Flowers of a living Cladrastis, or yellowwood
    Cladrastis
  • Cnemidaria
  • Coccothraustes
    • Coccothraustes vespertinus
  • Cocculus
  • Colaptes
    • Colaptes auratus
  • Colodon
  • Compsemys
  • Coniophis
  • Copecion
  • Copelemur
  • Corizus – tentative report
  • Fossilized skull of the Oligocene-Miocene bone-crushing dog Cormocyon
    Cormocyon
  • Cornus
  • Corvus
    • Corvus brachyrhynchos
    • Corvus corax
  • Corylus
  • Coryphodon
  • Crataegus
  • Credneria
  • Crocodylus
    • Fossilized skull of the Eocene crocodilian "Crocodylus" affinis
      Crocodylus affinis – type locality for species
  • Cryptocephalus
  • Cryptorhynchus
  • Cryptotis
  • Culex
  • Cyclocarya
  • Cynarctoides
    • Cynarctoides acridens
    • Cynarctoides harlowi
    • Cynarctoides luskensis – type locality for species
  • Dalbergia
  • Daphoenictis
  • Life restoration of the Miocene bear-dog Daphoenodon
    Daphoenodon
  • Daphoenus
    • Daphoenus lambei
  • Dasyatis
  • Dawsonicyon – type locality for genus
  • Dendragapus
    • Dendragapus obscurus
  • Dendropanax
  • Dennstaedtia
  • Desmatippus
  • Desmatochoerus
  • Desmocyon
  • Diacodexis
  • Diatryma – type locality for genus
  • Diceratherium
  • Dicranomyia
  • Dicrostonyx
  • Didymictis
  • Dilophodon
  • Dinictis
  • Dinohyus
  • Diospyros
  • Diplocynodon
  • Fossilized skeleton of the Early Cretaceous-Eocene bony fish Diplomystus preserved in the act of swallowing another fish
    Diplomystus
    • Diplomystus dentatus
  • Dipoides
  • Dipteronia
  • Discus
  • Dissacus
  • Distylium
  • Dolichopus
  • Dombeya
  • Drimys
  • Dryopteris
  • Fossilized shell of the Eocene turtle Echmatemys
    Echmatemys
  • Ectocion
  • Ectoconus
  • Ectopistes
    • Ectopistes migratorius
  • Ectopocynus
  • Elaeodendron
  • Enhydrocyon
    • Enhydrocyon basilatus
  • Enochrus
  • Entelodon
  • Life restoration of a pair of the Eocene uintathere mammal Eobasileus. Charles R. Knight (1890s).
    Eobasileus
    • Eobasileus cornutus
  • Eoconodon
    • Eoconodon copanus
  • Eohippus
  • Eorhinophrynus
  • Eostrix
  • Eotitanops
  • Epicaerus
  • Epihippus
  • Equisetum
  • Equus
    • Restoration of the Pleistocene-Holocene Equus conversidens, or Mexican horse
      Equus conversidens
  • Eremophila
    • Eremophila alpestris
  • Erythrina
  • Esox
  • Eucastor
  • Eucommia
  • Eugenia
  • Euparius
  • Euphagus
    • Euphagus cyanocephalus
  • Eusmilus
  • Eutamias
  • Fagus
  • Falco
    • Falco columbarius
    • Falco mexicanus
    • Falco rusticolus
    • Falco sparverius
  • Ficus
  • Fossilized skeleton of the Eocene bird Fluvioviridavis
    Fluvioviridavis – type locality for genus
  • Fortuna
  • Fraxinus
  • Fulgora
  • Gagadon
    • Gagadon minimonstrum
  • Galecyon
  • Galerita
  • Gallinuloides – type locality for genus
  • Gastrocopta
  • Gerrhonotus – or unidentified comparable form
  • Ginkgo
    • Ginkgo adiantoides
  • Gleditsia – or unidentified related form
  • Fossilized foliage of the cypress relative Glyptostrobus
    Glyptostrobus
    • Glyptostrobus europaeus
  • Goniacodon
  • Gopherus
  • Gracilocyon
  • Grus
    • Grus canadensis
  • Gulo
    • Gulo gulo
  • Gymnocladus
  • Gyraulus – or unidentified comparable form
  • Habrosaurus
    • Habrosaurus dilatus
  • Hadrianus
  • Hapalodectes
  • Hapalorestes
  • Haplolambda
  • Harpagolestes
  • Helaletes – type locality for genus
  • Helix
  • Fossilized skull of the Oligocene lizard Helodermoides
    Helodermoides
    • Helodermoides tuberculatus
  • Hemiauchenia
  • Hemitelia
  • Heptodon
  • Herpetotherium
    • Herpetotherium knighti
  • Hesperocyon
  • Heteraletes
  • Hirundo – or unidentified comparable form
    • Hirundo pyrrhonota
  • Holospira
  • Homogalax
  • Hoplophoneus
  • Hovenia
  • Hutchemys
  • Life restoration of the Eocene-Miocene creodont mammal Hyaenodon
    Hyaenodon
    • Hyaenodon crucians
    • Hyaenodon horridus
    • Hyaenodon megaloides
    • Hyaenodon montanus
    • Hyaenodon mustelinus
    • Hyaenodon venturae
    • Hyaenodon vetus
  • Hydrangea
  • Hydrobia – report made of unidentified related form or using admittedly obsolete nomenclature
  • Hydrobius
  • Hydrochus
  • Hydromystria
  • Hylobius
  • Hyopsodus
    • Hyopsodus lepidus – type locality for species
  • Hypertragulus
  • Hypisodus
  • Life restoration of the Miocene horse Hypohippus. Heinrich Harder (1920).
    Hypohippus
  • Hypolagus
  • Hyporhina
  • Hypsiops
  • Hyrachyus
  • Hyracodon
  • Hyracotherium
    • Hyracotherium vasacciense
  • Icaronycteris – type locality for genus
    • Icaronycteris index – type locality for species
  • Indusia
  • Intyrictis
  • Ischyromys
  • Iulus
  • Juglans
  • Juncitarsus – type locality for genus
  • Junco – or unidentified comparable form
    • Junco hyemalis
  • Kalmia
  • Kalobatippus
  • Fossilized skeleton of the Eocene bony fish Knightia
    Knightia
    • Knightia eocaena
  • Koelreuteria
  • Lagopus
    • Lagopus leucurus – or unidentified comparable form
  • Lambdotherium
  • Lambertocyon
    • Lambertocyon eximius
  • Lanius
    • Lanius ludovicianus
  • Larus – or unidentified comparable form
  • Lathrobium
  • Laurinoxylon
  • Laurus
  • Leiocephalus
  • Lepisosteus
  • Restoration of the Oligocene-Miocene oreodont mammal Leptauchenia
    Leptauchenia
  • Leptictis
  • Leptocyon
  • Leptolambda
  • Leptomeryx
  • Leptoreodon
  • Leptotragulus
  • Lepus
  • Leucosticte
    • Leucosticte arctoa
  • Limnocyon
    • Limnocyon verus – type locality for species
  • Limnofregata – type locality for genus
    • Limnofregata azygosternon – type locality for species
  • Lindera
  • Lisserpeton
    • Lisserpeton bairdi
  • Listronotus
  • Lithophysa – type locality for genus
  • Life restoration of the Paleocene-Eocene bird Lithornis
    Lithornis
    • Lithornis plebius – type locality for species
    • Lithornis promiscuus – type locality for species
  • Lygodium
  • Lynx
    • Lynx lynx – tentative report
  • Lystra – tentative report
  • Macginitiea
  • Machaeroides
  • Macrocranion
  • Magnolia
  • Mammacyon
  • Mammuthus
    • Painting of a family of mammoths walking
      Life restoration of a herd of Mammuthus columbi, or Columbian mammoths. The extent of the fur depicted is hypothetical. Charles R. Knight (1909).
      Mammuthus columbi
  • Marmota
  • Megacerops
  • Megalictis
    • Megalictis ferox
  • Meliosma
  • Meniscotherium
  • Menoceras
  • Menops
  • Mentoclaenodon
  • Mergus
    • Mergus merganser
  • Life restoration of the Miocene three-toed horse Merychippus
    Merychippus
  • Merychyus
  • Merycochoerus
  • Merycodus
  • Merycoides
  • Merycoidodon
  • Mesatirhinus
  • Mesocyon – report made of unidentified related form or using admittedly obsolete nomenclature
  • Mesodma
    • Mesodma formosa
    • Mesodma garfieldensis – or unidentified comparable form
    • Mesodma hensleighi
    • Mesodma pygmaea
  • Mesohippus
  • Mesonyx
    • Mesonyx obtusidens – type locality for species
  • Mesoreodon
  • Life restoration of the Eocene pangolin relative Metacheiromys
    Metacheiromys
  • Metamynodon
    • Metamynodon planifrons – or unidentified comparable form
  • Metarhinus
  • Metasequoia
  • Metatomarctus
  • Miacis
  • Michenia
  • Microcosmodon
    • Microcosmodon conus – type locality for species
    • Microcosmodon rosei – type locality for species
  • Microphysula – or unidentified comparable form
  • Microsyops
  • Microtus
    • Microtus pennsylvanicus
  • Mimetodon
    • Mimetodon churchilli – type locality for species
  • Mimoperadectes
    • Mimoperadectes houdei – type locality for species
  • Miniochoerus
  • Miocyon
  • Miohippus
  • Fossilized skeleton of the Eocene perch relative Mioplosus
    Mioplosus
  • Miotapirus
    • Miotapirus harrisonensis – type locality for species
  • Miotylopus
  • Miracinonyx
    • Miracinonyx studeri
  • Mithrandir
  • Mnemosyne
  • Monosaulax
  • Life restoration of the Miocene chalicothere mammal Moropus threatening a pair of the bear-dog Daphoenodon. Jay Matternes (1964).
    Moropus
  • Morus
  • Mustela
    • Mustela nigripes
  • Myrica
  • Myrmica
  • Nanotragulus
  • Neanis
  • Nelumbo
  • Neocathartes
    • Neocathartes grallator
  • Neoliotomus
    • Neoliotomus conventus
    • Neoliotomus ultimus
  • Mounted fossilized skeleton of the Miocene Neophrontops
    Neophrontops
    • Neophrontops americanus
  • Neoplagiaulax
    • Neoplagiaulax grangeri – tentative report
    • Neoplagiaulax hunteri
    • Neoplagiaulax jepi – type locality for species
    • Neoplagiaulax mckennai – type locality for species
    • Neoplagiaulax nelsoni
  • Neotoma
  • Nexuotapirus
  • Niglarodon
  • Notharctus
    • Notharctus robustior
    • Notharctus tenebrosus – type locality for species
    • Notharctus venticolus
  • Fossilized skeleton of the Late Cretaceous-Eocene beaked salmon relative Notogoneus
    Notogoneus
  • Nototamias – or unidentified comparable form
  • Nucifraga
    • Nucifraga columbiana
  • Numenius
    • Numenius americanus
    • Numenius borealis
  • Nyctea
    • Nyctea scandiaca
  • Nyssa
  • Ochotona
    • Ochotona princeps
  • Ocotea
  • Odaxosaurus
    • Odaxosaurus piger
  • Ondatra
  • Onoclea
  • Restoration of the Eocene bat Onychonycteris
    Onychonycteris – type locality for genus
    • Onychonycteris finneyi – type locality for species
  • Oodectes
  • Ophryastes
  • Opisthotriton
  • Oreamnos
  • Oreodontoides
  • Oreohelix
  • Oreopanax
  • Ormiscus
  • Fossilized skeleton of the Eocene horse Orohippus
    Orohippus
  • Orthogenysuchus – type locality for genus
    • Orthogenysuchus olseni – type locality for species
  • Osbornodon
  • Osmanthus
  • Osmunda
  • Otarocyon
  • Otiorhynchus
  • Ototriton – type locality for genus
    • Ototriton solidus – type locality for species
  • Ovis
    • Ovis canadensis
  • Oxyacodon
  • Oxyaena
  • Life restoration of a pair of the Oligocene-Miocene camel Oxydactylus. Robert Bruce Horsfall (1913).
    Oxydactylus
  • Pachyaena
  • Pachycondyla
  • Palaearctonyx
  • Palaeogale
  • Palaeolagus
  • Palaeonictis
  • Palaeoryctes
  • Palaeosinopa
  • Palaeosyops
  • Palatobaena – type locality for genus
  • Paleoamphiuma – type locality for genus
  • Paliurus
  • Panthera
    • A living Panthera leo, or lion
      Panthera leo
  • Pantolambda
  • Paracathartes
    • Paracathartes howardae
  • Paracynarctus
  • Paraenhydrocyon
    • Paraenhydrocyon josephi
  • Parahippus
  • Paramys
  • Parandrita
  • Paratomarctus
  • Paratylopus
  • Parectypodus
    • Parectypodus lunatus
    • Parectypodus sinclairi
    • Parectypodus sylviae
  • Parictis
  • Parvitragulus
  • Life restoration of the Eocene creodont mammal Patriofelis. Charles R. Knight (1896).
    Patriofelis
    • Patriofelis ferox – type locality for species
  • Patriomanis
  • Peltosaurus
  • Pelycodus
  • Pentacosmodon
    • Pentacosmodon pronus – type locality for species
  • Peratherium
  • Perognathus
  • Peromyscus
  • Persea
  • Phalaenoptilus
    • Phalaenoptilus nuttallii
  • Fossilized skeleton of the Paleocene-Eocene arowana relative Phareodus
    Phareodus
    • Phareodus encaustus
    • Phareodus testis
  • Phenacocoelus
  • Phenacodontid
  • Phenacodus
  • Phenacomys
  • Philodendron – or unidentified related form
  • Philotrox
    • Philotrox condoni
  • Illustration of a fossilized skull in multiple views of the Oligocene-Miocene bone-crushing dog Phlaocyon
    Phlaocyon
    • Phlaocyon annectens
    • Phlaocyon minor
  • Phoebe
  • Phragmites – tentative report
  • Phyllobius
  • Physa
  • Pica
    • Pica pica
  • Piceoerpeton – type locality for genus
  • Pinus
  • Pipilo
    • Pipilo chlorurus
  • Plagiomene
  • Planera
  • Planetetherium
    • Planetetherium mirabile
  • Plastomenoides
  • Platanus
  • Platycarya
  • Platynus
  • Plecia
  • Life restoration of the Paleocene-Eocene primate Plesiadapis
    Plesiadapis
    • Plesiadapis cookei
  • Poabromylus
  • Poebrodon
  • Poebrotherium
  • Polygyra
  • Populus
  • Porzana
    • Porzana carolina
  • Potamogeton
  • Life restoration of the Paleocene-Eocene waterfowl Presbyornis
    Presbyornis
  • Primobucco
  • Princetonia
  • Priscacara
  • Pristichampsus
  • Probathyopsis
  • Procaimanoidea
  • Procamelus
  • Prochetodon
    • Prochetodon cavus – type locality for species
    • Prochetodon foxi
    • Prochetodon taxus – type locality for species
  • Procynodictis
  • Prolimnocyon
  • Promartes
  • Promerycochoerus
  • Proscalops
  • Life restoration of a female (left) and male of the Oligocene-Miocene even-toed ungulate Protoceras. Charles R. Knight (1896).
    Protoceras
  • Protochelydra
    • Protochelydra zangerli – or unidentified comparable form
  • Protohippus
  • Protolabis
  • Protomarctus
  • Protorohippus
  • Protostrix
  • Protungulatum
    • Protungulatum donnae
  • Protylopus
  • Prunus
  • Pseudaelurus
  • Pseudhipparion
  • Pseudocrypturus – type locality for genus
    • Pseudocrypturus cercanaxius – type locality for species
  • Pseudolabis
  • Pseudoprotoceras
  • Psilota
  • Psittacotherium
  • Ptelea
  • Pteris – or unidentified related form
  • Pterocarya
  • Fossilized skeleton of the Paleocene multituberculate mammal Ptilodus
    Ptilodus
    • Ptilodus fractus
    • Ptilodus gnomus
    • Ptilodus kummae
    • Ptilodus mediaevus
    • Ptilodus montanus – or unidentified comparable form
    • Ptilodus tsosiensis – or unidentified comparable form
    • Ptilodus wyomingensis – type locality for species
  • Puma
    • Puma concolor
  • Pupilla – or unidentified comparable form
  • Pyramidula
  • Pyrocyon
  • Quercus
  • Quiscalus – or unidentified comparable form
  • Life restoration of the Miocene-Pliocene pronghorn Ramoceros and Cosoryx. Robert Bruce Horsfall (1913).
    Ramoceros
  • Raphictis
  • Rhamnus
  • Rhineura – type locality for genus
  • Rhinoclemmys – report made of unidentified related form or using admittedly obsolete nomenclature
  • Rhus
  • Rhyssa
  • Robinia
  • Rosa
  • Sabal
  • Saccoloma
  • Salix
  • Salpinctes – or unidentified comparable form
    • Salpinctes obsoletus
  • Salvinia
  • Fossilized skeleton of the Eocene monitor lizard Saniwa
    Saniwa – type locality for genus
    • Saniwa ensidens – type locality for species
  • Sapindus
  • Sassafras
  • Scapherpeton
  • Schoepfia
  • Sciara
  • Sciophila
  • Sequoia
  • Sespia
  • Shoshonius
    • Shoshonius bowni
    • Shoshonius cooperi
  • Sialia
  • Sifrhippus
  • Simoedosaurus
  • Sinomenium – or unidentified related form
  • Fossilized skeleton of the Eocene-Oligocene creodont mammal Sinopa
    Sinopa
  • Siren
    • Siren dunni – type locality for species
  • Sitona
  • Sloanea – or unidentified related form
  • Smilax
  • Smilodectes
    • Smilodectes gracilis – type locality for species
    • Smilodectes mcgrewi – type locality for species
  • Sorex
    • Sorex hoyi
  • Sparganium
  • Spathorhynchus – type locality for genus
    • Spathorhynchus fossorium – type locality for species
    • Spathorhynchus natronicus
  • Spermophilus
    • Spermophilus variegatus
  • Sphenocoelus
  • Spirodela
  • Spiza
    • Spiza americana
  • Stagnicola
  • Stegobium
  • Steneofiber
  • Life restoration of the Oligocene-Miocene camel Stenomylus
    Stenomylus
    • Stenomylus gracilis
    • Stenomylus hitchcocki
    • Stenomylus keelinensis
  • Sterculia
  • Stillingia
  • Sturnella
    • Sturnella neglecta
  • Stygimys
    • Stygimys kuszmauli
  • Stylemys
  • Stylinodon
  • Styrax
  • Subhyracodon
  • Surnia
    • Surnia ulula
  • Suzanniwana – type locality for genus
    • Suzanniwana patriciana – type locality for species
    • Suzanniwana revenanta – type locality for species
  • Swartzia
  • Sylvilagus
  • Symplocos
  • Synaptomys
  • Life restoration of the Miocene protoceratid mammal Syndyoceras
    Syndyoceras
    • Syndyoceras cooki
  • Syrphus
  • Tachycineta – or unidentified comparable form
    • Tachycineta bicolor
  • Taeniolabis
    • Taeniolabis taoensis
  • Tamias
  • Tanymykter
  • Tapocyon
  • Tarka
  • Taxidea
    • Taxidea taxus
  • Taxodium
  • Taxonus
  • Teilhardina
  • Restoration of the Miocene-Pliocene rhinoceros Teleoceras
    Teleoceras
  • Telmatherium
  • Temnocyon
  • Tetraclaenodon
  • Thelypteris
  • Thouinia
  • Thuja
  • Tilia
  • Tipula
  • Life restoration of the Paleocene pantodont mammal Titanoides
    Titanoides
    • Titanoides gidleyi – type locality for species
    • Titanoides major
    • Titanoides nanus – type locality for species
    • Titanoides primaevus
  • Titanomyrma
    • Titanomyrma lubei – type locality for species
  • Trapa
  • Trigenicus
  • Trigonias
  • Trionyx
  • Tritemnodon
  • Tritoma
  • Triumfetta
  • Trogosus
  • Tropisternus
  • Trypodendron
  • Tsoabichi – type locality for genus
    • Tsoabichi greenriverensis – type locality for species
  • Turdus – or unidentified comparable form
    • Turdus migratorius
  • Tylocephalonyx
  • Tympanuchus
    • Tympanuchus phasianellus
  • Typha – or unidentified related form
  • Tytthaena
  • Uintacyon
  • Life restoration of the Eocene mammal Uintatherium
    Uintatherium – type locality for genus
    • Uintatherium anceps – type locality for species
  • Ulmus
  • Unio
  • Ursus
    • Ursus arctos
  • Ustatochoerus
  • Valenia
  • Valenopsalis
  • Vassacyon
  • Vauquelinia
  • Leaves and fruit of a living Viburnum.
    Viburnum
  • Vinea – or unidentified comparable form
  • Vitis
  • Viverravus
  • Viviparus
  • Vulpavus
  • Vulpes
    • Vulpes vulpes
  • Woodwardia
  • Xanclomys
    • Xanclomys mcgrewi – type locality for species
  • Xyronomys
  • Life restoration of the Miocene bear dog Ysengrinia
    Ysengrinia
  • Zamia
  • Zelkova
  • Zenaida
  • Zizyphus
  • Zodiolestes
  • Zonotrichia
    • Zonotrichia albicollis

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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