List of the prehistoric life of Alaska

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List of the prehistoric life of Alaska - Wikipedia

From Wikipedia, the free encyclopedia

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

Precambrian

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

Paleozoic

Selected Paleozoic taxa 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

Mesozoic

Selected Mesozoic taxa of Alaska

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

Cenozoic

Selected Cenozoic taxa of Alaska

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.