List of the prehistoric life of Alaska

• †Abadehella
• †Acanthophyllum
• 

  Fossil of the Silurian-Middle Devonian trilobite Acanthopyge
  †Acanthopyge
• †Acmarhachis
• †Agoniatites – tentative report
• †Amplexus
• †Ancyrognathus
• †Anomphalus – tentative report
• †Athyris
  • †Athyris lamellosa – or unidentified related form
• †Atrypa
  • †Atrypa reticularis
• †Aulopora
• 

  Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten
  †Aviculopecten
  • †Aviculopecten chesterensis – tentative report
  • †Aviculopecten delawarensis – or unidentified related form
  • †Aviculopecten edwardsi – or unidentified related form
  • †Aviculopecten fasciculatus – or unidentified related form
  • †Aviculopecten hardinensis – or unidentified related form
  • †Aviculopecten mccoyi – or unidentified related form
  • †Aviculopecten montpelierensis – or unidentified related form
  • †Aviculopecten occidentalis – or unidentified related form
  • †Aviculopecten similis – or unidentified related form
• † Avonia – tentative report
• †Bailiaspis
• †Bathyuriscus
• †Belemnites – tentative report
• †Bellerophon
  • †Bellerophon chapmani
  • †Bellerophon livengoodensis
  • †Bellerophon spergensis – or unidentified related form
• †Bembexia – tentative report
• †Bimuria
• †Callograptus
• †Calymene
  • 

    Fossil of the Silurian trilobite Calymene blumenbachii
    †Calymene blumenbachii
  • †Calymene iladon
• †Camarotoechia
  • †Camarotoechia billingsi – or unidentified comparable form
  • †Camarotoechia duplicata – tentative report
  • †Camarotoechia winiskensis – or unidentified comparable form
• Capulus
• †Catenipora
  • †Catenipora jacovikii – or unidentified comparable form
  • †Catenipora robustus – or unidentified comparable form
  • †Catenipora rubra – or unidentified comparable form
• †Cedaria
• †Cheirurus
• †Chirognathus – tentative report
• †Chonetes
  • †Chonetes capax – or unidentified related form
  • †Chonetes illinoisensis – or unidentified related form
  • †Chonetes manitobensis – or unidentified comparable form
  • †Chonetes timanicus – or unidentified related form
  • †Chonetes verneuile – or unidentified comparable form
  • †Chonetes verneuilianus – or unidentified related form
• †Christiania
• †Cladochonus
• †Cladospongia – type locality for genus
• †Cleiothyridina
  • †Cleiothyridina sublamellosa – or unidentified related form
• 

  Assemblage of fossils of the Cambrian graptolite Climacograptus
  †Climacograptus
  • †Climacograptus antiquus – or unidentified related form
  • †Climacograptus bicornis
  • †Climacograptus eximius – or unidentified comparable form
  • †Climacograptus hughesi – or unidentified comparable form
  • †Climacograptus indivisus
  • †Climacograptus innotatus
  • †Climacograptus medius
  • †Climacograptus minutus – tentative report
  • †Climacograptus phyllophorus – or unidentified comparable form
  • †Climacograptus pungens
  • †Climacograptus rectangularis
  • †Climacograptus scalaris
  • †Climacograptus stenotelus
  • †Climacograptus trifilis
• †Coenites
• 

  Fossilized shell of the Late Devonian-Permian brachiopod Composita
  †Composita
  • †Composita ambigua – or unidentified comparable form
  • †Composita bellula – or unidentified related form
• †Conchidium
• †Conocardium
• †Cordylodus – tentative report
• †Crania
• †Craticula – report made of unidentified related form or using admittedly obsolete nomenclature
• †Cyclonema
• †Cyclopteris – tentative report
• †Cymbidium
• †Cyphaspis
• †Cypricardinia
• 

  Restoration of the Cambrian-Middle Devonian nautiloid cephalopod Cyrtoceras
  †Cyrtoceras
• †Cyrtospirifer
  • †Cyrtospirifer buddingtoni – type locality for species
  • †Cyrtospirifer paridaensis
• †Cystodictya
  • †Cystodictya lineata – or unidentified related form
  • †Cystodictya pustulosa – or unidentified related form
• †Dalmanites
• †Dendrograptus
• †Dentalium
  • †Dentalium hecetaensis
• †Dicoelosia
• †Dictyonema
• 

  Fossil of the Middle Ordovician graptolite Didymograptus
  †Didymograptus
  • †Didymograptus extensus – or unidentified comparable form
  • †Didymograptus nitidus – or unidentified comparable form
  • †Didymograptus sagitticaulis
  • †Didymograptus serratulus
• †Diplograptus
  • †Diplograptus cyperoides – or unidentified comparable form
  • †Diplograptus elongatus
  • †Diplograptus euglyptus
  • †Diplograptus hughesi
  • †Diplograptus inutilis
  • †Diplograptus modestus
  • †Diplograptus mucroterminatus
  • †Diplograptus multidens – or unidentified related form
  • †Diplograptus nicolsoni – or unidentified comparable form
• †Diplopora – tentative report
• †Drepanophycus
• †Edmondia
• † Ella – tentative report
• †Ellesmeroceras
• †Elrathia
• †Emmonsia
• †Eospirifer
• †Epiphyton
• 

  Fossilized shell of the Silurian-Permian sea snail Euomphalus
  †Euomphalus
  • †Euomphalus brooksensis
  • †Euomphalus bundtzeni
  • †Euomphalus planodorsatus – or unidentified related form
  • †Euomphalus planorbis
  • †Euomphalus utahensis – or unidentified related form
• †Favosites
  • †Favosites emmonsi – or unidentified comparable form
  • †Favosites hemispericus
  • †Favosites hemisphericus
  • †Favosites limitaris
  • †Favosites radiciformis
• †Fenestella
• †Fletcheria – tentative report
• †Fusulina
• †Gastrioceras
• 

  Fossil of the Early-Late Ordovician trilobite Geragnostus
  †Geragnostus
• †Gervillia
• †Girvanella
• †Gomphoceras
• †Goniatites
• †Grewingkia
• †Gypospirifer
  • †Gypospirifer condor
• †Halysites
• †Harpides
• †Harpidium
• †Hedstroemia – tentative report
• †Heliophyllum
• †Hemirhodon
• †Hercynella
• 

  Fossil of the Devonian colonial rugose coral Hexagonaria, also known as a Petoskey stone
  †Hexagonaria
• †Hindeodus
• †Holopea
• †Homagnostus
• †Howittia
• †Icriodus
  • †Icriodus angustoides
  • †Icriodus taimyricus
• †Idiognathodus
• †Isograptus
  • †Isograptus forcipiformis
  • †Isograptus manubriatus – or unidentified comparable form
• 

  Fossilized shells of the Middle Ordovician-Permian nautiloid cephalopod Kionoceras
  †Kionoceras
• †Kootenia
  • †Kootenia anabarensis – or unidentified comparable form
  • †Kootenia granulospinosa – type locality for species
  • †Kootenia serrata – or unidentified comparable form
• †Krausella
• †Lejopyge
  • †Lejopyge laevigata
• †Lichas
• Lima
• †Lingula
• †Lithostrotion
  • †Lithostrotion mclareni
  • †Lithostrotion portlocki – or unidentified related form
  • †Lithostrotion sinuosum
  • †Lithostrotion warreni
• †Lucina
• †Martinia
• 

  Illustration (lower right, entry 15) of a fossilized shell in front and side views of the Silurian-Late Devonian brachiopod Meristella
  †Meristella
  • †Meristella barrisi – or unidentified comparable form
  • †Meristella ceras – or unidentified comparable form
  • †Meristella tumida – tentative report
• †Meristina
• Mesophyllum
• †Michelinoceras – tentative report
• †Microplasma
• †Modiolus – tentative report
• 

  Fossils of the Early Devonian graptolite Monograptus
  †Monograptus
  • †Monograptus acinaces
  • †Monograptus atavus
  • †Monograptus bohemicus
  • †Monograptus buddingtoni
  • †Monograptus calamistratus
  • †Monograptus clingani – or unidentified related form
  • †Monograptus convolutus
  • †Monograptus crenularis – or unidentified comparable form
  • †Monograptus crinitus
  • †Monograptus cyphus
  • †Monograptus difformis – or unidentified comparable form
  • †Monograptus dubius
  • †Monograptus gregarius
  • †Monograptus incommodus – or unidentified comparable form
  • †Monograptus involutus – or unidentified comparable form
  • †Monograptus nilssoni
  • †Monograptus noyesensis
  • †Monograptus pacificus
  • †Monograptus praedubius – or unidentified related form
  • †Monograptus priodon
  • †Monograptus pseudodubius
  • †Monograptus raitzhainesis – or unidentified related form
  • †Monograptus revolutus
  • †Monograptus scanicus
  • †Monograptus tenuis
  • †Monograptus thomasi – or unidentified related form
  • †Monograptus tumescens
  • †Monograptus uncinatus
  • †Monograptus undulatus
  • †Monograptus varians
  • †Monograptus vulgaris – or unidentified comparable form
  • †Monograptus yukonensis
• †Morania
• 

  Fossilized shell of the Devonian brachiopod Mucrospirifer
  †Mucrospirifer
  • †Mucrospirifer refugiensis – type locality for species
• †Murchisonia
• †Naticopsis
  • †Naticopsis bowsheri
  • †Naticopsis carleyana – or unidentified related form
  • †Naticopsis suturicompta
• †Neogondolella
• †Neospirifer
  • †Neospirifer cameratus
  • †Neospirifer fasciger – or unidentified related form
  • †Neospirifer striatus – tentative report
• †Nowakia
• 

  Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula
  Nucula
  • †Nucula shumardiana – or unidentified related form
• †Oncagnostus
  • †Oncagnostus tumidosus
• †Oonoceras
• †Orthoceras
  • †Orthoceras anguliferas – or unidentified comparable form
• †Oulodus
• †Ozarkodina
  • †Ozarkodina confluens
  • †Ozarkodina eberleini – type locality for species
  • †Ozarkodina paucidentata – or unidentified comparable form
• †Pagetia
• †Panenka
• 

  Fossil of the Cambrian trilobite Paradoxides
  †Paradoxides
• †Parafusulina – tentative report
• †Pecopteris
  • †Pecopteris arborescens
  • †Pecopteris hemitelioides
  • †Pecopteris unita
• †Pentamerus
• †Peronopsis
• †Phalagnostus
• †Phillipsia
• †Phyllograptus
• †Pinna
• †Platyceras
• †Platycrinites
• Pleurotomaria
• 

  Various conodont elements of Polygnathus
  †Polygnathus
  • †Polygnathus alexanderensis
  • †Polygnathus angusticostatus
  • †Polygnathus angustipennatus
  • †Polygnathus aspelundi
  • †Polygnathus borealis
  • †Polygnathus brevis
  • †Polygnathus churkini
  • †Polygnathus costatus
  • †Polygnathus eberleini
  • †Polygnathus eiflius
  • †Polygnathus inversus
  • †Polygnathus kennettensis
  • †Polygnathus linguiformis
  • †Polygnathus pacificus
  • †Polygnathus parawebbi
  • †Polygnathus perbonus – or unidentified related form
  • †Polygnathus praetrigonicus
  • †Polygnathus pseudofoliatus
  • †Polygnathus robusticostatus
  • †Polygnathus samueli
  • †Polygnathus sinuosus
  • †Polygnathus trigonicus
  • †Polygnathus unicornis
  • †Polygnathus xylus
• †Prodentalium
• †Proetus
• †Prohedinia
• †Pseudoamplexus
• †Pseudobornia
  • †Pseudobornia ursina
• †Pseudomelania
• 

  Fossil of the primitive Devonian vascular plant Psilophyton
  †Psilophyton
• †Pteria – report made of unidentified related form or using admittedly obsolete nomenclature
• †Ptychagnostus
• †Pugnax
• †Receptaculites
• †Rhynchonella
• †Rothpletzella
• † Sarcinula
• †Schwagerina
• †Sinutropis
• †Skenidioides
• †Solenopora
  • †Solenopora compacta
  • †Solenopora filiformis
• † Solenopsis – tentative report
• †Sowerbyella
• †Spathognathodus
• †Sphaerina
• †Sphaerocodium
• 

  Fossilized shell of the Late Ordovician-Late Triassic brachiopod Spirifer
  †Spirifer
  • †Spirifer schellwieni – or unidentified related form
• †Spiriferina
  • †Spiriferina panderi – or unidentified related form
• Spirorbis
• †Spyroceras
• †Stringocephalus
• †Strophomena
• †Syringopora
• †Taeniocrada
• †Teganium
• 

  Assemblage of fossilized shells of the Early Ordovician-Late Devonian probable mollusc Tentaculites
  †Tentaculites
• †Tetradium
• †Tetragraptus
• †Triarthrus
• †Uraloceras
  • †Uraloceras burtiense
  • †Uraloceras fedorowi
  • †Uraloceras involutum
  • †Uraloceras nevadense
• †Westergaardodina
• 

  Restoration of the Permian shark Wodnika
  †Wodnika
• †Zacanthoides

This list of the Mesozoic life of Alaska contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Alaska and are between 252.17 and 66 million years of age.

• †Actinoceramus
• 

  Life restoration of the Late Cretaceous dome-headed dinosaur Alaskacephale and inset diagram depicting it with an anachronistic human to scale
  †Alaskacephale – type locality for genus
  • †Alaskacephale gangloffi – type locality for species
• †Amaltheus
• †Amblydactylus
• †Amoeboceras
• Amusium
• †Anagaudryceras
  • †Anagaudryceras auranium
  • †Anagaudryceras aurarium
  • †Anagaudryceras inflatus
  • †Anagaudryceras sacya – type locality for species
• †Anapachydiscus
  • †Anapachydiscus nelchinensis – type locality for species
• †Anatomites
• †Anomia
• †Arcestes
• †Archaeocidaris – tentative report
• †Arcthoplites
• Arctica – tentative report
• 

  Fossilized shells of the Middle Jurassic ammonoid cephalopod Arcticoceras
  †Arcticoceras
• †Arctocephalites
  • †Arctocephalites alticostus
  • †Arctocephalites costidensus – type locality for species
  • †Arctocephalites pompeckji
• †Arctoceras
• †Arieticeras
• †Arnioceras
• †Arpadites – tentative report
• †Aspenites
• Astarte
• †Asthenoceras
• †Aviculopecten
• †Baculites
• †Belemnites
• †Bradfordia
• 

  Fossilized shell of the Middle Jurassic ammonoid cephalopod Cadoceras
  †Cadoceras
  • †Cadoceras bathomphalum – type locality for species
  • †Cadoceras catostoma
  • †Cadoceras chinitnense – type locality for species
  • †Cadoceras comma – type locality for species
  • †Cadoceras crassicostatum – type locality for species
  • †Cadoceras doroschini
  • †Cadoceras glabrum – type locality for species
  • †Cadoceras grewingki
  • †Cadoceras kialagvikense – type locality for species
  • †Cadoceras petelini
  • †Cadoceras schmidti
  • †Cadoceras tenuicostatum – type locality for species
  • †Cadoceras wosnessenskii
• 

  Fossilized shell of the Early Jurassic-Early Cretaceous ammonoid cephalopod Calliphylloceras
  †Calliphylloceras
  • †Calliphylloceras aldersoni – or unidentified comparable form
  • †Calliphylloceras freibrocki – type locality for species
  • †Calliphylloceras nizinanum – type locality for species
• †Calycoceras
• Capulus – tentative report
• Cardinia
• Cardita – tentative report
• †Cenoceras
• †Ceratites
• Cerithium – tentative report
• Chlamys
• †Chondrites – tentative report
• †Chonetes – tentative report
• Cidaris – tentative report
• †Cimolodon
• 

  Fossilized foliage of the Permian-Late Cretaceous fern Cladophlebis
  Cladophlebis
  • †Cladophlebis hirta – tentative report
• †Claraia
  • †Claraia stachei
• †Cleoniceras
• †Collonia
• †Corum
• †Cosmonautilus – tentative report
• †Ctenophyllum
• †Cylindroteuthis
• 

  Restoration of the Early Jurassic ammonoid cephalopod Dactylioceras
  †Dactylioceras
  • †Dactylioceras commune – or unidentified comparable form
• †Daonella
• †Daxatina
• †Dentalium
• †Desmoceras
• †Desmophyllites
• †Didymoceras
  • †Didymoceras hornbyense – or unidentified related form
• †Docidoceras
  • †Docidoceras camachoi – type locality for species
  • †Docidoceras longalvum – or unidentified related form
  • †Docidoceras paucinodosum – type locality for species
• †Douvilleiceras
• †Dromaeosaurus
  • †Dromaeosaurus albertensis
• †Edmontonia
• 

  Restoration of the Late Cretaceous duck-billed dinosaur Edmontosaurus annectens
  †Edmontosaurus – or unidentified related form
  • †Edmontosaurus saskatchewanensis
• †Ellisonia
• †Epigondolella
• †Euaptetoceras
• †Eubostrychoceras
• †Eudmetoceras
• †Euomphaloceras
• †Euomphalus
• †Fresvillia
• †Gaudryceras
• †Germanonautilus
• †Gervillia
• Ginkgo
  • 

    Restored foliage of the Late Cretaceous-Miocene ginkgo tree Ginkgo adiantoides
    †Ginkgo adiantoides - or unidentified loosely related form
• Gleichenia
• †Gryphaea
  • †Gryphaea arcuataeformis
  • †Gryphaea arcusta – or unidentified comparable form
  • †Gryphaea cymbium – or unidentified comparable form
  • †Gryphaea impressimarginata
  • †Gryphaea keilhaui – or unidentified comparable form
  • †Gryphaea rockymontana
• Guttulina
• †Gymnocodium
• †Hamulus – tentative report
• †Hebetoxyites
• 

  Life restoration of the Late Cretaceous toothed bird Hesperornis
  †Hesperornis
• †Heterastridium
• †Hildaites – tentative report
• †Hypophylloceras
• †Inoceramus
  • †Inoceramus comancheanus
  • †Inoceramus cuvieri – or unidentified comparable form
  • †Inoceramus elegans – or unidentified related form
  • †Inoceramus eximius
  • †Inoceramus hobetsensis – or unidentified related form
  • †Inoceramus mamatensis – or unidentified related form
  • †Inoceramus naumanni – or unidentified comparable form
  • †Inoceramus porrectus – or unidentified comparable form
  • †Inoceramus schmidti
  • †Inoceramus subundatus – or unidentified comparable form
  • †Inoceramus teshioensis – or unidentified related form
  • †Inoceramus yokoyamai – or unidentified comparable form
• †Isastrea – tentative report
• Isognomon – tentative report
• †Joannites
• †Kepplerites
• †Kosmoceras
  • †Kosmoceras spinosum – or unidentified comparable form
• Lima
• †Lobites
• †Lucina
• 

  Fossilized shell of the Early Jurassic-Late Cretaceous ammonoid cephalopod Lytoceras
  †Lytoceras
  • †Lytoceras eudesianum – or unidentified related form
  • †Lytoceras fimbriatum – or unidentified comparable form
• Margarites
• †Meekoceras
  • †Meekoceras gracilitatis
• †Metapolygnathus
• Milax – tentative report
• Milax
• †Modiolus
• †Muramotoceras
• †Murchisonia – tentative report
• †Myophorella
  • †Myophorella alaskaensis – type locality for species
  • †Myophorella argo
  • †Myophorella dawsoni
  • †Myophorella devexa
  • †Myophorella orientalis
  • †Myophorella packardi
  • †Myophorella tipperi
  • †Myophorella tuxedniensis – type locality for species
• †Myophoria
• †Mytilus
• 

  Life restoration of the Late Cretaceous tyrannosaur Nanuqsaurus
  †Nanuqsaurus – type locality for genus
  • †Nanuqsaurus hoglundi – type locality for species
• Natica
• †Neogondolella
• †Neophylloceras
  • †Neophylloceras hetonaiense
  • †Neophylloceras ramosum
  • †Neophylloceras seresitense
• †Neospathodus – report made of unidentified related form or using admittedly obsolete nomenclature
• Nerita – tentative report
• Neritopsis
• 

  Exterior of the shell of a modern specimen of the Early Ordovician-modern marine bivalve Nucula
  Nucula
  • †Nucula percrassa – or unidentified related form
• †Ophiceras
• Ostrea
• †Otoscaphites
• †Owenites
  • †Owenites koeneni – or unidentified comparable form
• †Oxycerites
• †Oxytoma
• †Pachydiscus
  • †Pachydiscus hazzardi – type locality for species
  • †Pachydiscus kamishakensis – type locality for species
  • †Pachydiscus obsoletiformis – type locality for species
  • †Pachydiscus ootacodensis
• 

  Life restoration of two of the Late Cretaceous horned dinosaur Pachyrhinosaurus perotorum
  †Pachyrhinosaurus
  • †Pachyrhinosaurus perotorum – type locality for species
• †Pagiophyllum
• Panopea
• †Parkinsonia – tentative report
• Patella – tentative report
• †Pecten
• †Peregrinella
• Pholadomya
• †Phylloceras
• †Phyllopachyceras
  • †Phyllopachyceras chitinanum – type locality for species
  • †Phyllopachyceras forbesianum
  • †Phyllopachyceras shastalense – or unidentified comparable form
• †Pinna
• † Plagiostoma
• †Planolites – tentative report
• 

  Leaves and fruit of a living Platanus, or plane tree
  Platanus
• †Platyceras
• †Pleuroacanthites
• †Pleuronautilus
• Pleurotomaria
• Plicatula
• †Posidonia
• †Procerites
• †Protocardia
• †Protrachyceras
• †Pseudomelania – tentative report
• †Pseudotoites
• †Pteria
• †Pterophyllum
• †Puzosia
  • †Puzosia alaskana – type locality for species
• †Reineckeites
• †Rhynchonella
• †Sagenopteris – tentative report
• †Saurexallopus
• 

  Life restoration of the Late Cretaceous dromaeosaurid Saurornitholestes preying upon a multituberculate mammal
  †Saurornitholestes
  • †Saurornitholestes langstoni
• †Saxoceras – tentative report
• †Scaphites
• Scurria – tentative report
• Serpula
• †Sirenites
• Solecurtus – tentative report
• Solemya – tentative report
• †Solenopora
• †Sphenobaiera
  • †Sphenobaiera biloba - or unidentified loosely related form
  • †Sphenobaiera czekanowskiana - or unidentified loosely related form
  • †Sphenobaiera longifolia - or unidentified loosely related form
• †Spiriferina
  • †Spiriferina borealis – tentative report
  • †Spiriferina yukonensis – type locality for species
• †Spirocyclina – tentative report
• 

  Shell of a Spondylus, or spiny oyster
  Spondylus – tentative report
• Terebratula
• Teredolites
• †Thamnasteria
• Thracia
• †Trichites – report made of unidentified related form or using admittedly obsolete nomenclature
• †Trigonia
• Trochus
• †Troodon
  • †Troodon formosus
• Turbo – tentative report
• Turritella – tentative report
• †Tutcheria
• 

  Fossilized skeleton found in Alaska of the Late Cretaceous duck-billed dinosaur Ugrunaaluk
  †Ugrunaaluk – type locality for genus
  • †Ugrunaaluk kuukpikensis – type locality for species
• †Vermiceras
• †Worthenia
• †Wyomingites
• †Xenoceltites
  • †Xenoceltites cordilleranus
• †Xenocephalites
  • †Xenocephalites hartsocki – type locality for species
  • †Xenocephalites vicarius – type locality for species
• †Yezoites
• †Zetoceras

This list of the Cenozoic life of Alaska contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Alaska and are between 66 million and 10,000 years of age.

• Acanthocardia
• Acirsa
• Acmaea
• Agonum
• †Ainus
• 

  A living Alces, or moose
  Alces
• Alnus
• Alopex
  • †Alopex lagopus
• Alvania
• Amara
• Amauropsis
• Ancistrolepis
• Angulus
• †Anomalosipho – tentative report
• Anomia – tentative report
• Aphaenogaster
• Arca
• Arctica
• †Arctodus
  • †Arctodus simus
• Argobuccinum
• 

  Life restoration of the Oligocene river dolphin Arktocara
  †Arktocara – type locality for genus
  • †Arktocara yakataga – type locality for species
• Asaphidion
• Asinus
• Astarte
  • †Astarte borealis
• Astrangia
• †Aturia
• Balanus
  • †Balanus balanoides
  • †Balanus balanus
  • †Balanus crenatus
  • †Balanus nubilus – or unidentified comparable form
• Bembidion
• Beringius
  • †Beringius crebricostatus
• Betula
• Bibio
• Bison
  • 

    Mummified specimen found in Alaska of the Pleistocene-Holocene Bison priscus, or steppe bison. This specimen, known as "Blue Babe" after the blue ox of Paul Bunyan folklore, derives its unusual coloration from a chemical reaction between the phosphorus in its skin and iron in the surrounding soil to produce a coating of vivianite.
    †Bison priscus
• †Bootherium
  • †Bootherium bombifrons
• Boreotrophon
  • †Boreotrophon rotundatus – or unidentified comparable form
• Brachidontes
• †Branchioplax
  • †Branchioplax washingtoniana
• Buccella
• Buccinum
  • †Buccinum angulosum
  • †Buccinum glaciale
• Bulbus
  • †Bulbus fragilis
• Cadulus
• Calliostoma
• Callorhinus
  • 

    A living Callorhinus ursinus, or northern fur seal
    †Callorhinus ursinus
• Calyptraea
• Camponotus
• Cancellaria
• Canis
  • †Canis lupus
• Carabus
  • †Carabus nemoralis – or unidentified comparable form
  • †Carabus truncaticollis – or unidentified comparable form
• †Carex
• Caryophyllia
• Cassidulina
• Castalia
• Castanea
• Cepheus
• 

  Fossilized skeleton of the Pliocene-Pleistocene cervid Cervalces, or the stag moose
  †Cervalces
• Cervus
  • †Cervus elaphus
• Ceutorhynchus – tentative report
• Chama
• Chione
• Chlamys
  • †Chlamys islandica
  • †Chlamys rubida
• †Chrysodomus – tentative report
• Chrysolina
• Cibicides
• Cingula
• 

  Shell of a Clinocardium cockle
  Clinocardium
  • †Clinocardium nuttallii
• Colus
• Corbicula
• Corbula
• †Cornwallius
• †Corylus
• Crenella
• Crepidula
• Cryptonatica
  • †Cryptonatica affinis
• Cyclocardia
• Cylichna
• Cyperus
• Delphinapterus – tentative report
• Dentalium
• 

  Fossilized cranium of the Miocene seal Desmatophoca
  †Desmatophoca – tentative report
• Diacheila
• Dicrostonyx
• Dioon
• Dyschirius
• Echinarachnius
• Echinophoria
• Elphidium
• Enhydra
• Enicmus
• †Epipremnum
• 

  Shell of an Epitonium wentletrap sea snail
  Epitonium
• Equus
  • †Equus alaskae
• Erignathus
  • †Erignathus barbatus
• Erigone
• Eschrichtius
• Eumetopias
• †Eumorphocorystes
• Euspira
  • †Euspira pallida
• Evalea
• †Exilia – tentative report
• 

  Fossilized foliage of the Cretaceous-Oligocene flowering plant Flabellaria
  †Flabellaria
• Fulgoraria
• Gari
• Georissus
• Globigerina
  • †Globigerina bulloides – or unidentified related form
• Glycymeris
• Helophorus
• Hiatella
  • †Hiatella arctica
• Hinnites – tentative report
• Histriophoca
  • †Histriophoca fasciata
• Homalopoma – tentative report
• †Hydrodamalis
  • 

    Restorative model of the Pleistocene-Holocene manatee relative Hydrodamalis gigas, or Steller's sea cow
    †Hydrodamalis gigas
• Isurus
• †Kolponomos – or unidentified comparable form
• Lasiopodomys
• Lathrobium
• Laurus
• Leistus
• Lemmus
  • †Lemmus sibiricus
• Leptothorax
• Leukoma
• Limatula
• Liocyma
  • †Liocyma fluctuosa
• Liomesus
• 

  Shells in differing orientation of a Littorina sea snail, or periwinkle
  Littorina
• †Lora
• Lunatia
• Lyonsia
• Macoma
  • †Macoma balthica – or unidentified related form
• Macrocallista – tentative report
• Magnolia
• †Mammut
• †Mammuthus
  • 

    Restoration of a herd of Mammuthus primigenius, or wooly mammoths
    †Mammuthus primigenius
• Margarites
• Marmota
• Martesia – tentative report
• Mathilda
• Messor
• †Metacarcinus
• Micropeplus
• Microtus
• Modiolus
• Musculus
  • †Musculus niger
• †Mya
  • †Mya arenaria – or unidentified comparable form
  • †Mya truncata
• 

  Fruit of a living Myrica, or firetree
  Myrica
• Mytilus
  • †Mytilus edulis
• Natica
• Nebria
• Neoconorbina
• Neptunea
  • †Neptunea heros
  • †Neptunea lyrata
  • †Neptunea ventricosa
• Neverita
• Notiophilus
• Nucula
• Ochotona
  • †Ochotona whartoni
• Odobenus
  • 

    A living Odobenus rosmarus, or walrus
    †Odobenus rosmarus
• Oenopota
  • †Oenopota candida
• †Osmunda
• Ostrea
• Ovibos
  • †Ovibos moschatus
• Ovis
  • †Ovis dalli – tentative report
• †Oxytoma
• Pagophilus
• Palliolum
• Pandora
• Papyridea
• Patrobus
• †Perse
• Phenacomys
• Phoca
  • †Phoca hispida
  • 

    A living Phoca vitulina, or harbor seal
    †Phoca vitulina
• Picea
  • †Picea glauca
  • †Picea mariana
  • †Picea sitchensis – or unidentified comparable form
• Pinus
  • †Pinus monticola
• Pitar
• †Planera
• Plicifusus
  • †Pododesmus macrochisma
• Polinices
• 

  Montage of photographs in spring (top left), summer (top right), autumn (bottom left), and winter (bottom right) of Populus, or poplar tree
  Populus
• Portlandia
• †Portunites
• †Predicrostonyx
  • †Predicrostonyx hopkinsi
• †Protocardia – tentative report
• †Protochelydra
  • †Protochelydra zangerli – or unidentified comparable form
• Protothaca
• Pteris
• Pterostichus
• Puncturella
  • †Puncturella longifissa
• Purpura
• Pusa – or unidentified related form
  • †Pusa hispida
• Pyrgo
• Pyrulofusus
• Quercus
• Quinqueloculina
• Rangifer
  • 

    A living Rangifer tarandus, or reindeer
    †Rangifer tarandus
• Rhabdus
• Rosalina
• †Rotalia
• Saiga
• Saxidomus
• Scaphander
  • †Scaphander lignarius – or unidentified comparable form
• †Scutella
• Sequoia
• Serripes
  • †Serripes groenlandicus
• Siliqua
• 

  Shell of the whelk sea snail Siphonalia
  Siphonalia
• Sorex
• Spermophilus
  • †Spermophilus undulatus
• Spirorbis
• Spirotropis
• Spisula
• Stenus
• Strongylocentrotus
  • †Strongylocentrotus droebachiensis
• †Symphoricarpos
• Tachyrhynchus
  • †Tachyrhynchus erosus
• Taxodium
  • 

    Living Taxodium distichum, or bald cypresses
    †Taxodium distichum
• Tellina
• Terebratula
• Thracia
• Thyasira
• Tonicella
• Trichotropis
  • †Trichotropis bicarinata
• †Tsuga
  • †Tsuga heterophylla
• Turritella
• Ulmus
• Ursus
• †Vaccinium
• Venericardia
• Vitis
• Volutopsius
• Vulpes
  • 

    A living Vulpes vulpes, or red fox
    †Vulpes vulpes
• Xysticus
• Yoldia