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List of the prehistoric life of Nevada

Last updated October 30, 2025

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

Precambrian

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

Paleozoic

Selected Paleozoic taxa of Nevada

Fossil of the Silurian-Middle Devonian trilobite Acanthopyge
† Acanthopyge
† Acmarhachis
- † Acmarhachis typicalis
† Acodus
† Acrothyra
† Acutichiton
† Adamsoceras
- † Agnostotes clavata – or unidentified comparable form
† Agnostus
† Agoniatites
† Amorphognathus
† Amphiscapha
† Ampyx – tentative report
† Ampyx
† Anabarella
† Ananias
† Anataphrus
Restorative model of the Cambrian arthropod Anomalocaris
† Anomalocaris
† Anomphalus
- † Anomphalus jaggerius – type locality for species
† Apatolichas
† Archaeocidaris
† Athyris
- † Athyris lamellosa
† Atrypa
- † Atrypa parva – or unidentified comparable form
- † Atrypa reticularis
† Aulopora
† Aviculopecten
† Avonia
† Bactroceras
† Baltoceras
Illustration of a fossil of the Cambrian trilobite Bathynotus
† Bathynotus
† Bathyuriscus
† Bellerophon
- † Bellerophon needlensis – type locality for species
† Benthamaspis
† Biceratops – type locality for genus
† Biciragnostus
† Bija
† Bimuria
† Bolbocephalus – tentative report
† Bolbolenellus
† Bradyfallotaspis
† Brevibelus
† Bristolia
† Brongniartella
† Brunsia
† Bumastus
† Calymene
† Calyptaulax
† Camarotoechia
Life restoration of the Cambrian arthropod Canadaspis (left)
† Canadaspis
† Cancelloceras
- † Cancelloceras elegans – or unidentified comparable form
† Caninia
† Carinamala
† Carolinites
† Catenipora
† Cavusgnathus
† Cedaria
† Ceratocephala – tentative report
† Ceraurinella
† Ceraurinus
Fossil of the Middle-Late Ordovician trilobite Ceraurus
† Ceraurus
† Chancelloria
† Chancia
† Chonetes
- † Chonetes logani
† Cladochonus
† Cladodus
† Cleiothyridina
- † Cleiothyridina ciriacksi
- † Cleiothyridina deroissyi
- † Cleiothyridina elegans
- † Cleiothyridina orbicularis
† Climacograptus
- † Climacograptus innotatus
- † Climacograptus phyllophorus – or unidentified comparable form
† Cloacaspis
† Coleoloides
† Columnaria
Fossilized shell of the Late Devonian-Permian brachiopod Composita
† Composita
- † Composita apheles – or unidentified comparable form
- † Composita mexicana
- † Composita mira
- † Composita ovata
- † Composita parasulcata
- † Composita subquadrata
- † Composita subtilita
- † Composita trinuclea
† Conchidium
† Conocardium
† Constellaria
† Coosia
† Cordylodus
† Cornuodus
† Cravenoceras
† Culumbodina
† Curtoceras
† Cybelopsis
† Cymbidium
† Cypricardinia
† Cyptendoceras
Fossilized shells of the Middle-Late Devonian brachiopod Cyrtospirifer
† Cyrtospirifer
- † Cyrtospirifer whitneyi
† Cystodictya
† Dalmanites
† Davidsonia
Dentalium
† Dicoelosia
† Dictyonema
† Didymograptus
† Dimeropygiella
† Diplograptus
† Distomodus
† Earlandia
† Echinaria
† Edmondia
† Egania – type locality for genus
† Ehmaniella
† Elrathina
† Emmonsia
† Encrinuroides
Fossil of the Middle Ordovician-Early Devonian trilobite Encrinurus
† Encrinurus
† Eospirifer
† Epiphyton
† Esmeraldina
† Ethmophyllum
† Euomphalus
† Fallotaspis
† Favosites
† Fenestella
† Flexicalymene
† Fremontia
† Geragnostus
† Geraldinella
† Girvanella
† Glaphurochiton – tentative report
- † Glyptagnostus reticulatus
† Gnathodus
† Gogia
† Goniatites
† Gracianella
† Grandinasus
† Gypospirifer
† Halysites
Life restoration of the Permian Chimaera relative Helicoprion
† Helicoprion
† Heliomera
† Helminthochiton
† Hintzeia
† Holmiella
† Homagnostus
† Hunnebergia – tentative report
† Hyolithellus
† Hyolithes
† Hypodicranotus
† Iapetognathus
† Icriodus
† Illaenus
† Ingria
† Innitagnostus
† Irvingella
† Isograptus
Fossil of the Middle-Late Ordovician giant trilobite Isotelus .
† Isotelus
† Jeffersonia
† Kanoshia
† Kawina
† Komaspidella
† Komia
† Kootenia
† Krausella
† Lachnostoma
† Ladatheca
† Lehua
† Leonardoceras
† Leonaspis
† Lingula
Illustration of a fossilized shell of the Cambrian-Late Ordovician brachiopod Lingulella
† Lingulella
† Lonchodomas
† Lotagnostus
- † Lotagnostus trisectus – or unidentified comparable form
† Martinia
† Megalaspidella – tentative report
† Megalaspides
† Megistaspis
† Meristella
† Meristina
† Metacoceras
† Metaplasia
† Michelinoceras
† Micromitra
† Microplasma
† Modiolus
† Monograptus
- † Monograptus thomasi
- † Monograptus yukonensis
† Murchisonia
† Nardophyllum
Fossilized shell of the Early Devonian – Triassic sea snail Naticopsis
† Naticopsis
- † Naticopsis glomerosa – type locality for species
- † Naticopsis inornata
- † Naticopsis kaibabensis
† Neospirifer
- † Neospirifer cameratus
- † Neospirifer dunbari
- † Neospirifer goreii
- † Neospirifer latus – or unidentified comparable form
- † Neospirifer triplicatus
† Nephrolenellus
Fossil of the Cambrian trilobite Nevadella
† Nevadella
† Nevadia
† Niobe
† Nisusia – tentative report
† Noblella
† Nuculoidea
† Obolella
† Obolus
† Ogygopsis
† Olenellus
- † Olenellus fowleri – type locality for species
† Olenoides
† Olenus
† Opipeuter
† Orthoceras
† Oryctocephalus
- † Oryctocephalus indicus
Life restoration of the Cambrian priapulid worm relative Ottoia
† Ottoia
† Oulodus
† Ovatoryctocara – tentative report
† Ozarkodina
† Pachyphyllum
† Paedeumias
† Pagetia
† Paladin
† Palmettaspis – type locality for genus
† Parafusulina
† Paranevadella
† Paterina
† Peachella
† Pelagiella
† Pentamerus
† Pentlandia
Fossilized theca of the Carboniferous blastoid echinoderm ("sea bud") Pentremites
† Pentremites
† Periodon
† Permocalculus
† Peronopsis
† Perspicaris
† Phacops
† Phalacroma
† Phillipsia
† Phragmophora
† Phyllograptus
Pinna
† Platyceras
† Platycrinites
† Platystrophia
Fossil of the Late Ordovician cystoid echinoderm Pleurocystites
† Pleurocystites
† Polygnathus
- † Polygnathus angusticostatus
- † Polygnathus angustipennatus – or unidentified comparable form
- † Polygnathus costatus
- † Polygnathus eiflius
- † Polygnathus linguiformis
- † Polygnathus parawebbi
- † Polygnathus pseudofoliatus
† Posidonia
† Prodentalium
Restoration of the Silurian trilobite Proetus
† Proetus
† Profallotaspis – tentative report
† Protochonetes
† Protospongia
† Ptychagnostus
- † Ptychagnostus atavus
† Punka
† Quadratia
† Raymondaspis
† Rayonnoceras
Fossil of the Early Ordovician-Permian benthic alga Receptaculites
† Receptaculites
† Remopleurides
† Rensselaeria
† Repinaella
† Rhabdiferoceras – type locality for genus
† Rioceras – tentative report
† Rossodus – tentative report
† Sabellidites
† Sallya
† Salterella
† Schwagerina
† Siphonodendron
† Skenidioides
† Sowerbyella
† Spathognathodus
† Sphaerocodium
† Sphaerocoryphe
† Sphenothallus
† Spirifer
- † Spirifer centronatus
- † Spirifer opimus
- † Spirifer rockymontanus
† Spiriferina
Spirorbis
Fossil of the Carboniferous-Permian tree-like club moss relative rhizome Stigmaria
† Stigmaria
† Streptognathodus
† Streptosolen
† Stringocephalus
† Strophomena
† Stylonema – tentative report
† Subulites
† Syringopora
† Tentaculites
† Tetragraptus
† Tetrataxis
† Thoracocare
† Triarthrus
† Trinodus
† Trocholites
† Tuzoia
† Tylonautilus
† Uraloceras
- † Uraloceras burtiense
- † Uraloceras involutum
- † Uraloceras nevadense – type locality for species
Fossil of the Cambrian trilobite Wanneria
† Wanneria
† Watsonella
† Westergaardites
† Worthenia
† Wutinoceras
Yoldia
† Youngia – tentative report
† Zacanthoides

Mesozoic

Selected Mesozoic taxa of Nevada

† Acrochordiceras – type locality for genus
† Acrodus
- † Acrodus alexandrae – type locality for species
- † Acrodus cuneocostatus – type locality for species
- † Acrodus oreodontus – type locality for species
- † Acrodus spitzbergensis
- † Acrodus vermicularis – or unidentified comparable form
† Acuminatella
Fossilized shell of the Early Cretaceous-Oligocene turtle Adocus
† Adocus – or unidentified comparable form
† Alanites
- † Alanites costatus – type locality for species
- † Alanites mulleri – type locality for species
- † Alanites obesus – type locality for species
† Alsatites
† Anaflemingites
† Anagymnites
† Anagymnotoceras
† Anasibirites
- † Anasibirites kingianus
† Anatropites
† Angulaticeras
† Anolcites
† Aplococeras
† Arcestes
† Arctoceras
† Arctohungarites
† Arctoprionites
† Arenicolites
† Aspenites
Astarte
Asteriacites
Atrina
Life restoration of the Middle Triassic plesiosaur relative Augustasaurus
† Augustasaurus – type locality for genus
- † Augustasaurus hagdorni – type locality for species
† Avicularia
† Balatonites
† Birgeria
† Calliconites
Cardinia
† Caucasorhynchia
† Ceccaceras
† Ceccaisculitoides
- † Ceccaisculitoides elegans – type locality for species
† Ceratites
Life restoration of the Late Triassic-Eocene lungfish Ceratodus
† Ceratodus
Chlamys
† Chonespondylus
† Claraia
- † Claraia aurita
- † Claraia clarai
- † Claraia stachei
† Colobodus
† Coral
Corbula – report made of unidentified related form or using admittedly obsolete nomenclature
† Coroniceras
Diagram illustrating the Middle-Late Triassic ichthyosaur Cymbospondylus with an anachronistic human to scale.
† Cymbospondylus
- † Cymbospondylus petrinus
- † Cymbospondylus piscosus
† Daonella
- † Daonella americana – type locality for species
- † Daonella dubia
- † Daonella elongata – or unidentified comparable form
- † Daonella gabbi
- † Daonella indica – or unidentified related form
- † Daonella lindstroemi
- † Daonella lommeli – or unidentified comparable form
- † Daonella lommelli – or unidentified comparable form
- † Daonella moussoni
- † Daonella rieberi – type locality for species
- † Daonella sturi – or unidentified comparable form
† Daxatina
† Decapod
† Ellisonia – type locality for genus
Fossils of the Middle Triassic crinoid ("sea lily") Encrinus
† Encrinus
† Epigondolella
- † Epigondolella mosheri
† Eremites
† Frankites
† Frechites
† Germanonautilus
† Gervillaria
† Gervillia
† Gondolella
- † Gondolella carinita – type locality for species
- † Gondolella denuda – or unidentified related form
- † Gondolella eotriassica – type locality for species
- † Gondolella milleri – type locality for species
- † Gondolella nevadensis – type locality for species
- † Gondolella planata – type locality for species
† Goniatites – report made of unidentified related form or using admittedly obsolete nomenclature
† Gryphaea
† Grypoceras
Fossilized shell of the Triassic ammonoid cephalopod Gymnites
† Gymnites
- † Gymnites billingsi – type locality for species
- † Gymnites calli – type locality for species
- † Gymnites humboldti – or unidentified comparable form
- † Gymnites perplanus – type locality for species
- † Gymnites tozeri – type locality for species
- † Gymnites tregorum – type locality for species
† Gyrolepis – tentative report
† Hybodus
† Ichthyosaurus
† Inyoites
- † Inyoites oweni
† Kraussodontus
† Lecanites
† Leiophyllites
Restoration of a school of the Middle Triassic-Early Cretaceous bony fish Leptolepis
† Leptolepis
Limaria
Lopha
† Macroelongatoolithus
† Meekoceras
- † Meekoceras gracilitatis
† Metapolygnathus
† Metophioceras
† Michelinoceras
† Misikella
Life restoration of the Middle Triassic ichthyosaur Mixosaurus
† Mixosaurus
† Modiolus
† Monophyllites
† Myophoria
† Mytilus
† Naomichelys
† Neogondolella
† Neomegalodon
† Neophyllites – or unidentified comparable form
† Nerinea
Life restoration of the Middle-Late Triassic ichthyosaur Omphalosaurus
† Omphalosaurus – type locality for genus
- † Omphalosaurus nevadanus – type locality for species
† Ophiceras
† Orthoceras
Ostrea
† Oulodus
† Owenites
- † Owenites koeneni
† Oxytoma
† Ozarkodina
† Palaeospinax – tentative report
† Paralepidotus – tentative report
† Paranautilus
Life restoration of the Triassic ichthyosaur Phalarodon
† Phalarodon
- † Phalarodon fraasi
Pholadomya
Pinna
† Plagiostoma
† Planolites
† Pleuronautilus
Plicatula
† Posidonia
† Proclydonautilus
† Protrachyceras
† Psiloceras
† Ptychites
† Ptycholepis – tentative report
† Rhacophyllites
† Rhaetina
† Rhynchonella – report made of unidentified related form or using admittedly obsolete nomenclature
† Saurichthys
† Schlotheimia
† Shonisaurus
- Diagram illustrating Shonisaurus (green) and Shastasaurus sikanniensis (red) with an anachronistic human to scale
  † Shonisaurus popularis
† Sibyllonautilus
† Sirenites
† Solenopora
† Spiriferina
- † Spiriferina alia
- † Spiriferina homfrayi – type locality for species
- † Spiriferina roundyi
† Stenopopanoceras
† Sturia
† Styrionautilus
Life restoration of the Middle Triassic ichthyosaur Thalattoarchon
† Thalattoarchon – type locality for genus
- † Thalattoarchon saurophagis – type locality for species
† Thamnasteria
† Trichites
† Trigonia
† Tutcheria
† Ussurites
† Vermiceras
† Vex
† Wyomingites
† Xenoceltites
Fossilized shells of the ammonoid cephalopod Xenodiscus
† Xenodiscus

Cenozoic

Selected Cenozoic taxa of Nevada

Abies
Acer
† Aelurodon
Life restoration of the Miocene camel Aepycamelus , or the long-necked camel. Heinrich Harder (1920).
† Aepycamelus
- † Aepycamelus bradyi – type locality for species
- † Aepycamelus robustus – or unidentified comparable form
- † Aepycamelus stocki
† Aesculus
† Agriotherium
† Agulla
- † Agulla mineralensis – type locality for species
† Aletomeryx
† Alforjas
Alnus
Amelanchier
† Amorpha
† Anchitheriomys
Antrozous
- † Antrozous pallidus
† Aphelops
† Apis
- † Apis nearctica – type locality for species
Arbutus
- † Arbutus menziesii
† Arctodus
- † Arctodus simus
† Arctostaphylos
† Astrohippus
† Barbourofelis
- † Barbourofelis fricki
Bassariscus
Betula
† Borophagus
- † Borophagus diversidens – or unidentified comparable form
Restorative portrait of the Miocene oreodont mammal Brachycrus
† Brachycrus
Brachylagus
- † Brachylagus idahoensis
† Brachypsalis
† Bumelia
† Calocedrus
† Camelops – tentative report
Candona
Canis
- † Canis latrans
- † Canis lepophagus
† Carpocyon
Carya
- † Carya ovata
Castanopsis
Ceanothus
Cedrela
Living Ceratophyllum , also known as coontails or hornworts
† Ceratophyllum
Cercis
† Cercocarpus
† Chamaebatia
† Chamaecyparis
Chara
† Chrysolepis
Cnemidophorus
- † Cnemidophorus tigris
Comptonia
Cornus
† Cosoryx
- † Cosoryx furcatus
Crataegus
Crotalus
- † Crotalus atrox
- † Crotalus viridis
Crotaphytus
- † Crotaphytus collaris
Life restoration of the Pliocene-Holocene elephant relative Cuvieronius
† Cuvieronius – tentative report
† Desmatippus
† Diceratherium – or unidentified comparable form
† Dinohippus
† Diospyros
Dipodomys
† Dipoides
† Diprionomys
† Dromomeryx
- † Dromomeryx borealis
† Epicyon
† Equisetum
Equus
- † Equus giganteus
- † Equus idahoensis
- Fossilized skeleton of the Pliocene-Pleistocene horse Equus simplicidens , also known as the Hagerman horse or American zebra
  † Equus simplicidens
† Eucastor
† Euceratherium
- † Euceratherium collinum
† Eucyon
- † Eucyon davisi
Eugenia
† Fraxinus
Gambelia
† Garrya
† Gigantocamelus
Glyptostrobus
Mounted fossilized skeleton of the Miocene-Pleistocene elephant relative Gomphotherium
† Gomphotherium
Gopherus
- † Gopherus agassizii
† Gymnocladus
† Helaletes
Heloderma
- † Heloderma suspectum
† Hemiauchenia
- † Hemiauchenia macrocephala – or unidentified comparable form
† Hesperocamelus
† Heteromeles
† Hipparion
† Hippotherium
† Holodiscus
Hydrangea
† Hyopsodus
† Hypohippus
† Hypolagus
† Hyrachyus
† Ilingoceros
- † Ilingoceros alexandrae – type locality for species
Fossilized skull of the Miocene bear Indarctos
† Indarctos
† Ischyrocyon
Juglans
Juniperus
Lampropeltis
- † Lampropeltis getulus
Larix
Lemmiscus
- † Lemmiscus curtatus
† Leptocyon
†Leucothoe
† Lithocarpus
Lymnaea
† Lyonothamnus
Fossilized cranium of the Miocene-Pleistocene saber-toothed cat Machairodus
† Machairodus
Mahonia
† Mammut
- † Mammut americanum
- † Mammut matthewi
Marmota
Masticophis
- † Masticophis flagellum
† Mastodon
† Megahippus
† Megalonyx
- † Megalonyx leptostomus
† Megatylopus
† Merychippus
† Merychyus
† Merycodus
† Metalopex
† Metatomarctus
† Microtomarctus
Microtus
- † Microtus pennsylvanicus
† Miopelodytes – type locality for genus
† Monosaulax
† Moropus
Mustela
- † Mustela nigripes
- † Mustela nivalis
Myotis
† Neohipparion
Neotoma
† Notharctus
- † Notharctus tenebrosus
Notiosorex
Odocoileus
Ondatra
Oreamnos
- † Oreamnos americanus
Ostrya
Ovis
- † Ovis canadensis
† Pachystima
† Paracamelus
† Paracynarctus
† Parahippus
† Paratomarctus
† Paronychomys
† Peraceras
Perognathus
Peromyscus
Phenacomys
Phrynosoma
- † Phrynosoma platyrhinos
Picea
Pinus
Pituophis
- † Pituophis catenifer
Platanus
Restoration of a herd of alarmed Miocene-Pleistocene peccaries of the genus Platygonus . Charles R. Knight (1922).
† Platygonus
† Pleiolama
† Pliauchenia
† Pliohippus
Populus
† Procamelus
† Protolabis
† Protomarctus
Prunus
† Pseudaelurus
† Pseudotsuga
Pteridium
Pterocarya
Quercus
† Rana
- † Rana pipiens
† Repomys
† Rhamnus
Rhododendron
Restoration of the Miocene-Pliocene elephant relative Rhynchotherium
† Rhynchotherium
† Ribes
† Robinia
Rosa
Salix
† Satherium
- † Satherium piscinarium
Sauromalus
- † Sauromalus obesus
Scapanus
Sciurus
† Sequoiadendron
- † Sequoiadendron chaneyi – type locality for species
Fossilized skeleton of the Eocene-Oligocene creodont mammal Sinopa
† Sinopa
† Sophora
† Sorbus
Sorex
† Sparganium
Spea
Spermophilus
Sphaerium
† Steneofiber
† Styrax
† Subdromomeryx
- † Subdromomeryx antilopinus – or unidentified related form
† Symphoricarpos
Tamias
Taxidea
Taxodium
Restoration of the Miocene-Pliocene rhinoceros Teleoceras
† Teleoceras
- † Teleoceras major
Thomomys
† Thuja
† Ticholeptus
Tipula
† Tomarctus
- † Tomarctus brevirostris
† Torreya
† Tsuga
Typha
Ulmus
† Ursavus
Ursus
- † Ursus americanus
- † Ursus arctos – or unidentified comparable form
† Vaccinium
† Viverravus
Vulpes
Zelkova
Fossilized cranium of the Miocene-Pleistocene mastodon relative Zygolophodon
† Zygolophodon

References

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

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