List of the Mesozoic life 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.

A
  • Acila
  • †Actinoceramus
    • †Actinoceramus concentricus
    • †Actinoceramus sulcatus
  • 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
  • †Allocotidus – type locality for genus
    • †Allocotidus bruesi – type locality for species
  • †Alpinophyllia
    • †Alpinophyllia flexuosa
  • †Amaltheus
  • †Amblydactylus
  • †Amblysiphonella
  • †Amoeboceras
  • †Ampakabastraea
    • †Ampakabastraea cowichanensis
    • †Ampakabastraea nodosa – or unidentified comparable form
  • Amusium
  • †Anagaudryceras
    • †Anagaudryceras auranium
    • †Anagaudryceras aurarium
    • †Anagaudryceras inflatus
    • †Anagaudryceras sacya – type locality for species
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Anapachydiscus
    †Anapachydiscus
    • †Anapachydiscus nelchinensis – type locality for species
  • †Anatomites
    • †Anatomites externiplicatus
    • †Anatomites septentrionalis – type locality for species
  • †Andangularia
    • †Andangularia wilsoni – type locality for species
  • †Anomia
  • †Anoptychia – tentative report
  • †Anthostylis
    • †Anthostylis acanthophora
  • †Antiquilima – tentative report
  • †Aopullina – tentative report
  • †Aquilapollenites
    • †Aquilapollenites decorus
    • †Aquilapollenites fusiformis
    • †Aquilapollenites quadrilobus
    • †Aquilapollenites reticulatus
    • †Aquilapollenites scabridus
  • †Arcestes
  • †Archaeocidaris – tentative report
  • †Archaeodictyomitra
    • †Archaeodictyomitra exigua – type locality for species
  • †Archaeospongoprunum
    • †Archaeospongoprunum helense – type locality for species
  • †Arcthoplites
    • †Arcthoplites belli
    • †Arcthoplites talkeetnanus
  • 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
    • †Arctoceras blomstrandi
    • †Arctoceras tuberculatum
    • †Arctoceras tuberculatus
  • †Arctopteris
    • †Arctopteris kolymensis – or unidentified related form
    • †Arctopteris rarinervis
  • †Areaseris
    • †Areaseris nevadensis
  • †Arieticeras
    • †Arieticeras domarense – or unidentified related form
  • Fossilized shell of the Early Jurassic ammonoid cephalopod Arnioceras
    †Arnioceras
    • †Arnioceras arnouldi – or unidentified comparable form
  • †Arpadites – tentative report
  • †Aspenites
    • †Aspenites acutus
  • Astarte
    • †Astarte carlottensis
  • †Asthenoceras
    • †Asthenoceras nannodes – or unidentified related form
  • †Astraeomorpha
    • †Astraeomorpha confusa
    • †Astraeomorpha crassisepta
  • †Astrocoenia – tentative report
  • †Atractites
  • †Atreta
  • †Aucella
    • †Aucella okensis
    • †Aucella spitiensis
    • †Aucella subokensis
  • †Aucellina
  • Avicula
    • †Avicula soperi
  • Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten
    †Aviculopecten
  • †Azonia
    • †Azonia cribrata
    • †Azonia pulchella
    • †Azonia strictiparva

B
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites
    †Baculites
    • †Baculites occidentalis
  • †Badouxia
    • †Badouxia canadensis
    • †Badouxia columbiae
  • †Bathysiphon
  • †Belemnites
  • †Betraccium
    • †Betraccium perilense – or unidentified related form
  • †Bipedis
    • †Bipedis acrostylus
  • †Biplica
  • †Birisia
    • †Birisia alata
    • †Birisia ochotica
    • †Birisia oerstedtii – or unidentified comparable form
  • †Bisulcocypridea
  • †Bositra
    • †Bositra buchi – or unidentified comparable form
  • †Bradfordia
    • †Bradfordia oppeliiformis – type locality for species
  • †Brewericeras
    • †Brewericeras breweri
    • †Brewericeras hulenense
    • †Brewericeras hulense – or unidentified comparable form
  • †Buchia
    • †Buchia bronni – or unidentified comparable form
    • †Buchia concentrica
    • †Buchia crassicolis
    • †Buchia crassicollis
    • †Buchia fischeriana – or unidentified related form
    • †Buchia keyserlingi
    • †Buchia mosquensis
    • †Buchia pacifica
    • †Buchia pallasi – or unidentified comparable form
    • †Buchia piochii
    • †Buchia rugosa
    • †Buchia solida
    • †Buchia sublaevis
  • †Bullatimorphites
    • †Bullatimorphites varicostatum – type locality for species

C
  • 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
  • †Callistopollenites
    • †Callistopollenites radiostriatus
  • †Callizoniceras
  • †Callospiriferina
    • †Callospiriferina tumida
  • †Calycoceras
  • †Camptonectes
    • †Camptonectes dettermani
  • †Canadoceras
    • †Canadoceras kossmati – or unidentified comparable form
    • †Canadoceras newberryanum
    • †Canadoceras yokoyamai
  • †Candonopsis – tentative report
  • †Canutus – tentative report
    • †Canutus ingrahamensis
  • †Capnuchosphaera
    • †Capnuchosphaera deweveri – or unidentified related form
    • †Capnuchosphaera lenticulata – or unidentified related form
    • †Capnuchosphaera mexicana
    • †Capnuchosphaera schenki
    • †Capnuchosphaera smithorum
    • †Capnuchosphaera theoloides – or unidentified related form
    • †Capnuchosphaera tricornis
  • Shells of modern Capulus cap sea snails
    Capulus – tentative report
  • Cardinia
  • Cardita – tentative report
  • †Cassianella
    • †Cassianella cordillerana – type locality for species
    • †Cassianella gravinaensis – type locality for species
    • †Cassianella lingulata
  • †Cavussurella
    • †Cavussurella grammi – type locality for species
  • †Cedriplites
    • †Cedriplites canadensis
  • Life restoration of the Late Triassic-Middle Jurassic nautiloid cephalopod Cenoceras
    †Cenoceras
    • †Cenoceras imlayi – type locality for species
  • †Cephalotaxopsis
    • †Cephalotaxopsis intermedia
  • †Ceratites
  • †Cercomya – tentative report
  • †Ceriostella
    • †Ceriostella martini
    • †Ceriostella parva
  • Cerithium – tentative report
  • †Chandlerichthys – type locality for genus
    • †Chandlerichthys strickeri – type locality for species
  • †Chinitnites
    • †Chinitnites parviformus – type locality for species
  • Chlamys
  • †Choffatia
  • †Chondrites – tentative report
    • †Chondrites heeri – or unidentified comparable form
  • †Chondrocoenia
    • †Chondrocoenia paradoxa – or unidentified comparable form
  • †Chonetes – tentative report
  • †Christitys
    • †Christitys martini – type locality for species
  • †Chulitnacula
    • †Chulitnacula alaskana – type locality for species
  • Shell and spines of a Cidaris sea urchin
    Cidaris – tentative report
  • †Cimolodon
  • Cladophlebis
    • †Cladophlebis hirta – tentative report
  • †Claraia
    • †Claraia stachei
  • †Cleoniceras
    • †Cleoniceras overbecki – type locality for species
  • †Clionitites – tentative report
  • †Cobbanites
    • †Cobbanites talkeetnanus
  • †Coccophyllum
  • †Collonia
    • †Collonia occidentalis – or unidentified comparable form
  • †Coniopteris
    • †Coniopteris arctica - or unidentified loosely related form
    • †Coniopteris saportana
  • †Conucardia
  • †Corum
    • †Corum perfectum
    • †Corum regium
    • †Corum speciosum
  • †Cosmonautilus – tentative report
  • †Costispiriferina
    • †Costispiriferina pittensis – or unidentified related form
  • †Covracythere
    • †Covracythere binoda – type locality for species
    • †Covracythere gryci – type locality for species
  • †Cranwellia
    • †Cranwellia rumseyensis
    • †Cranwellia striata
  • †Crassistella
    • †Crassistella juvavica
    • †Crassistella parvula
    • †Crassistella vesiculosa – or unidentified comparable form
  • †Crenipecten – tentative report
    • †Crenipecten crenulatus – or unidentified comparable form
  • †Crucella
    • †Crucella magna – type locality for species
  • †Ctenis
  • †Ctenophyllum
    • †Ctenophyllum angustifolim – tentative report
  • †Cuifia
    • †Cuifia marmorea – or unidentified comparable form
  • †Curtoseris
    • †Curtoseris dunlapcanyonae
  • †Cyathocoenia
  • †Cycloceltites
    • †Cycloceltites arduini – or unidentified comparable form
  • †Cylindroteuthis
  • †Cypridea
  • †Cyrtia
  • †Cyrtina – report made of unidentified related form or using admittedly obsolete nomenclature

D
  • Life restoration of the Early Jurassic ammonoid cephalopod Dactylioceras
    †Dactylioceras
    • †Dactylioceras commune – or unidentified comparable form
    • †Dactylioceras kanense
  • †Dagyspirifer – type locality for genus
    • †Dagyspirifer fascicostata – type locality for species
  • †Damesites
    • †Damesites hetonaiensis
  • †Daonella
  • †Daxatina
    • †Daxatina canadensis – or unidentified comparable form
  • Dentalina
  • †Dentalium
  • †Desmiophyllum
    • †Desmiophyllum magnum
    • †Desmiophyllum spp.
  • †Desmoceras
    • †Desmoceras japonicum
  • †Desmophyllites
    • †Desmophyllites diphylloides
  • †Dettermania
    • †Dettermania truncata – type locality for species
  • Dicotylophyllum
    • †Dicotylophyllum spp.
  • †Dictyophyllum
    • †Dictyophyllum nilssoni
  • Restoration of several species of the Late Cretaceous ammonoid cephalopod Didymoceras
    †Didymoceras
    • †Didymoceras hornbyense – or unidentified related form
  • †Dielasma – tentative report
    • †Dielasma chapini – type locality for species
  • †Dieneroceras
    • †Dieneroceras dieneri
  • †Dimyodon
    • †Dimyodon storrsi
  • †Diplomoceras
    • †Diplomoceras notabile
    • †Diplomoceras notable
  • †Discamphiceras
    • †Discamphiceras reissi – or unidentified related form
    • †Discamphiceras silberlingi – or unidentified comparable form
  • †Discophyllites
    • †Discophyllites patens
  • †Discotropites
    • †Discotropites davisi
    • †Discotropites mojsvarensis
    • †Discotropites sandlingensis
  • †Distichomeandra
    • †Distichomeandra austriaca
    • †Distichomeandra minor
  • †Distichophyllia
    • †Distichophyllia marmorea
    • †Distichophyllia melnikovae – type locality for species
    • †Distichophyllia norica
  • Ditrupa
    • †Ditrupa cornu – type locality for species
  • †Divatella
    • †Divatella robinsoni – type locality for species
  • †Docidoceras
    • †Docidoceras camachoi – type locality for species
    • †Docidoceras longalvum – or unidentified related form
    • †Docidoceras paucinodosum – type locality for species
    • †Docidoceras widebayense – type locality for species
  • Fossilized shell of the Early-Late Cretaceous ammonoid cephalopod Douvilleiceras
    †Douvilleiceras
    • †Douvilleiceras mammillatum
  • †Dromaeosaurus
    • †Dromaeosaurus albertensis

E
  • †Edmontonia
  • Restoration of the Late Cretaceous duck-billed dinosaur Edmontosaurus annectens
    †Edmontosaurus – or unidentified related form
    • †Edmontosaurus saskatchewanensis
  • †Eleganticeras
    • †Eleganticeras exaratum – or unidentified comparable form
  • †Ellisonia
    • †Ellisonia triassica
  • †Elymella – tentative report
    • †Elymella nuculoides – or unidentified comparable form
  • †Elysastraea
    • †Elysastraea profunda
    • †Elysastraea vancouverensis
  • †Enantigonathus
    • †Enantigonathus mungoensis
    • †Enantigonathus ziegleri
  • †Entolium
    • †Entolium utukokense – type locality for species
    • †Entolium yukonensis – type locality for species
  • †Entollum
  • †Eocomoseris
    • †Eocomoseris ramosa
  • †Eogunnarites
    • †Eogunnarites alaskaensis
    • †Eogunnarites alaskensis
  • †Eolytoceras
    • †Eolytoceras tasekoi – or unidentified comparable form
  • †Eopecten – tentative report
  • †Epigondolella
    • †Epigondolella bidentata – or unidentified comparable form
  • †Eptingium
    • †Eptingium manfredi – or unidentified comparable form
  • †Equisetites
    • †Equisetites burejensis
  • †Erdtmanipollis
    • †Erdtmanipollis procumbentiformis
  • †Erycites
    • †Erycites howelli
  • †Euaptetoceras
    • †Euaptetoceras amplectens
    • †Euaptetoceras nucleospinosum – or unidentified related form
  • Fossilized shell of the Late Cretaceous ammonoid cephalopod Eubostrychoceras
    †Eubostrychoceras
    • †Eubostrychoceras japonicum – or unidentified comparable form
  • †Eudmetoceras
    • †Eudmetoceras eudmetum – or unidentified related form
  • †Euflemingites
    • †Euflemingites cirratus
    • †Euflemingites romunderi
  • †Eumorphotis
    • †Eumorphotis nationalis – type locality for species
  • †Euomphaloceras
  • †Euomphalus
  • †Euphyllites – tentative report

F
  • †Faguspollenites
    • †Faguspollenites granulatus
  • †Fanninoceras
    • †Fanninoceras carlottense
    • †Fanninoceras fannini
    • †Fanninoceras maudense – or unidentified comparable form
  • †Ferresium
  • †Fibulapollis
  • †Fissirhynchia
    • †Fissirhynchia fissicostata
  • †Flaventia – tentative report
    • †Flaventia kukpowrukensis – type locality for species
  • †Franziceras – tentative report
  • †Freboldiceras – type locality for genus
    • †Freboldiceras singulare – type locality for species
  • †Fresvillia
    • †Fresvillia teres – or unidentified related form

G
  • †Gabbioceras
  • †Gablonzeria
    • †Gablonzeria grandiosa
    • †Gablonzeria major
    • †Gablonzeria profunda
  • Fossilized shell of the Cretaceous ammonoid cephalopod Gaudryceras
    †Gaudryceras
    • †Gaudryceras denseplicatum – or unidentified related form
    • †Gaudryceras hobetsense
    • †Gaudryceras tenuiliratum
  • †Gavellinella
    • †Gavellinella velascoensis – or unidentified comparable form
  • †Germanonautilus
    • †Germanonautilus brooksi – type locality for species
  • †Gervillia
    • †Gervillia spp.
  • Ginkgo
    • Restored foliage of the Late Cretaceous-Miocene ginkgo tree Ginkgo adiantoides
      †Ginkgo adiantoides - or unidentified loosely related form
    • †Ginkgo concinna - or unidentified loosely related form
  • Gleichenia
    • †Gleichenia pseudocrenata – or unidentified comparable form
  • †Glossites – tentative report
    • †Glossites lingualis – or unidentified comparable form
  • †Goniomya – tentative report
  • †Gonodon – tentative report
  • †Gowericeras
    • †Gowericeras snugharborense – type locality for species
    • †Gowericeras spinosum – type locality for species
  • †Grammatodon
  • †Grantziceras
    • †Grantziceras affine
    • †Grantziceras glabrum
  • Interior and exterior of a fossilized shell of the Late Triassic-Eocene marine bivalve Gryphaea
    †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
  • †Gulielmiceras
    • †Gulielmiceras alaskanum – type locality for species
  • Guttulina
  • †Gymnocodium
    • †Gymnocodium bellerophontis
  • †Gypsonictops – or unidentified comparable form
  • Gyroidinoides

H
  • †Halobia
    • †Halobia alaskana – type locality for species
    • †Halobia austriaca
    • †Halobia brooksi – type locality for species
    • †Halobia cordillerana
    • †Halobia dalliana – type locality for species
    • †Halobia dilatata
    • †Halobia distincta
    • †Halobia fallax
    • †Halobia halorica
    • †Halobia lineata
    • †Halobia ornatissima
    • †Halobia septentrionalis – type locality for species
    • †Halobia superba
    • †Halobia sustriaca
    • †Halobia symmetrica – type locality for species
  • †Halomitra – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Halomitra triadica
  • †Halorella – tentative report
  • †Halorites
  • †Hamulus – tentative report
  • †Hannaoceras – tentative report
  • Haplophragmoides
  • †Hauerites
  • †Healdia
  • †Hebetoxyites
    • †Hebetoxyites hebes – or unidentified related form
  • †Heilungia
    • †Heilungia oloensis – or unidentified comparable form
  • †Heptastylis
  • Life restoration of the Late Cretaceous toothed bird Hesperornis
    †Hesperornis
  • †Heterastridium
    • †Heterastridium conglobatum
  • Heteropora
  • †Hiatobairdia
    • †Hiatobairdia arcuata
  • †Higumastra
    • †Higumastra transversa – type locality for species
  • †Hildaites – tentative report
  • †Himavatites – tentative report
    • †Himavatites multiauritis – or unidentified comparable form
  • †Holcophylloceras
    • †Holcophylloceras costisparsum
  • †Hoplotropites
    • †Hoplotropites jokelyi – or unidentified comparable form
  • †Hsuum – tentative report
    • †Hsuum inexploratum – type locality for species
  • †Hulenites
    • †Hulenites reesidei – or unidentified comparable form
  • †Hypophylloceras
    • †Hypophylloceras californicatus – or unidentified comparable form
    • †Hypophylloceras californicum – or unidentified comparable form

I
  • †Iniskinites
    • †Iniskinites abruptus – type locality for species
    • †Iniskinites intermedius – type locality for species
    • †Iniskinites magniformus
    • †Iniskinites martini – type locality for species
  • Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size
    †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
  • †Integricorpus
  • †Isastrea – tentative report
  • Isocrinus
    • †Isocrinus gravinse
  • †Isocyprina – tentative report
  • Fossilized shell of the Permian-modern marine bivalve Isognomon
    Isognomon – tentative report

J
  • †Joannites
  • †Juvavites
    • †Juvavites knowltoni
    • †Juvavites magnus – or unidentified comparable form
    • †Juvavites subinterruptus
  • †Juvenites
    • †Juvenites septentrionalis

K
  • †Kammerkarites
    • †Kammerkarites frigga – or unidentified comparable form
    • †Kammerkarites megastoma - or unidentified loosely related form
  • †Kenella
    • †Kenella filatovii
  • †Kennicottia – type locality for genus
    • †Kennicottia bifurcata – type locality for species
    • †Kennicottia rugosa – type locality for species
  • †Kepplerites
  • †Kompsasteria
    • †Kompsasteria oligocystis – or unidentified comparable form
  • †Kosmoceras
    • Fossilized shell of the Middle Jurassic ammonoid cephalopod Kosmoceras spinosum
      †Kosmoceras spinosum – or unidentified comparable form
  • †Kuhnastraea
    • †Kuhnastraea decussata
    • †Kuhnastraea incrassata – type locality for species
  • †Kukaspis – type locality for genus
    • †Kukaspis usingeri – type locality for species

L
  • †Laballa
    • †Laballa suessi
  • †Lanceolites
    • †Lanceolites bicarinatus
    • †Lanceolites compactus
  • †Latimaeandra – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Latimaeandra alaskana
  • †Leconteites
    • †Leconteites deansi
    • †Leconteites deansii
    • †Leconteites modestus
  • †Lemuroceras
    • †Lemuroceras dubium – or unidentified comparable form
  • †Leptaleoceras – tentative report
  • †Liliacidites
    • †Liliacidites variegatus
  • †Lilloettia
    • †Lilloettia buckmani
    • †Lilloettia lilloetensis
    • †Lilloettia mertonyarwoodi
    • †Lilloettia milleri – type locality for species
    • †Lilloettia stantoni – type locality for species
  • Lima
    • †Lima blackburnei – type locality for species
    • †Lima kimballi – or unidentified related form
    • †Lima martini – type locality for species
    • †Lima spp.
  • †Lioceratoides
    • †Lioceratoides involutum – or unidentified comparable form
  • †Liospiriferina
    • †Liospiriferina rostrata
  • †Lobites
    • †Lobites pacianus – or unidentified comparable form
  • †Lobothyris
    • †Lobothyris monstrifer – or unidentified comparable form
    • †Lobothyris mostrifer – or unidentified comparable form
    • †Lobothyris praepunctata
    • †Lobothyris punctata – or unidentified comparable form
  • †Loranthacites
    • †Loranthacites pilatus
  • †Lucina
  • Fossilized shell of the Early Jurassic-Late Cretaceous ammonoid cephalopod Lytoceras
    †Lytoceras

M
  • †Maclurites – tentative report
  • †Macrophylloceras
    • †Macrophylloceras grossicostatum
  • †Maeandrostylis
    • †Maeandrostylis grandiseptus
    • †Maeandrostylis vancouverensis
  • †Mancicorpus
    • †Mancicorpus trapeziforme
  • †Maoritrigonia
  • †Margarastraea
    • †Margarastraea eucystis
    • †Margarastraea granissima
  • Shell in multiple views of a Margarites sea snail
    Margarites
    • †Margarites moffiti – type locality for species
  • †Margaritropites
    • †Margaritropites johnsoni
  • †Margarosmilia
    • †Margarosmilia chalyana – tentative report
    • †Margarosmilia charlyana
    • †Margarosmilia confluens
    • †Margarosmilia richthofeni – or unidentified comparable form
  • †Marginotruncana
    • †Marginotruncana sigali – or unidentified comparable form
  • †Marshallites
    • †Marshallites cumshewaensis
  • †Meekoceras
    • †Meekoceras gracilitatis
  • †Meginoceras
  • †Meleagrinella
  • †Mesochara
  • †Mesopuzosia
    • †Mesopuzosia indopacifica – or unidentified comparable form
  • †Metapolygnathus
    • †Metapolygnathus primitius
  • †Metasibirites
  • †Metussuria
    • †Metussuria waageni
  • †Microchara
  • †Microdoma – tentative report
  • †Microreticulatisporites
    • †Microreticulatisporites uniformis
  • Milax
    • †Milax alienus – type locality for species
    • †Milax flexuosus – type locality for species
    • †Milax inflatus – type locality for species
  • †Minetrigonia
    • †Minetrigonia cairnesi – or unidentified comparable form
    • †Minetrigonia suttonensis
  • †Mirella
    • †Mirella borealis – or unidentified related form
  • Fossilized shell of a Modiolus, or horsemussel
    †Modiolus
  • †Moffiites
    • †Moffiites robustus
  • †Moffites
    • †Moffites robustus
  • †Moffitites – type locality for genus
    • †Moffitites crassus
    • †Moffitites robustus – type locality for species
  • †Mojsvaroceras – tentative report
  • †Mongolocypris
  • †Monotis
    • †Monotis alaskana – type locality for species
    • †Monotis anjuensis
    • †Monotis daonellaeformis
    • †Monotis haueri
    • †Monotis jakutica
    • †Monotis obtusicostata
    • †Monotis ochotica
    • †Monotis pachypleura
    • †Monotis pinensis – tentative report
    • †Monotis subcircularis
    • †Monotis typica
  • †Montlivaltia
    • †Montlivaltia martini – type locality for species
  • †Muelleritortis
    • †Muelleritortis cochleata
  • †Mullerites
    • †Mullerites pleuroacanthitoides – or unidentified comparable form
  • †Muramotoceras
    • †Muramotoceras yezoense – or unidentified related form
  • †Murchisonia – tentative report
  • †Myoconcha
    • †Myoconcha nana – or unidentified comparable form
  • Fossilized shell of the Jurassic-Cretaceous marine bivalve Myophorella
    †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
    • †Myophoria beringiana – type locality for species
  • †Myphoria – tentative report
  • †Mytiloceramus
    • †Mytiloceramus lucifer
  • †Mytiloides
    • †Mytiloides stantoni
  • Shells washed ashore of Mytilus mussels
    †Mytilus

N
  • Life restoration of the Late Cretaceous tyrannosaur Nanuqsaurus
    †Nanuqsaurus – type locality for genus
    • †Nanuqsaurus hoglundi – type locality for species
  • Napora
    • †Napora aculeata – type locality for species
    • †Napora bukryi – or unidentified comparable form
    • †Napora milleri – type locality for species
    • †Napora pualensis – type locality for species
  • †Nathorstites
    • †Nathorstites alaskanus – type locality for species
  • Natica
    • †Natica spp.
  • †Neogondelella
    • †Neogondelella jubata
  • †Neogondolella
    • †Neogondolella navicula
    • †Neogondolella silberlingi
    • †Neogondolella tozeri
  • †Neohimavatites
    • †Neohimavatites canadensis – or unidentified comparable form
  • †Neophylloceras
    • †Neophylloceras hetonaiense
    • †Neophylloceras ramosum
    • †Neophylloceras seresitense
  • †Neospathodus – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Neospathodus conservativus
  • Shell in multiple views of a Nerita polita sea snail
    Nerita – tentative report
  • †Neritaria
    • †Neritaria nuetzeli – type locality for species
  • Neritopsis
  • †Nevadathalamia
    • †Nevadathalamia cylindrica
    • †Nevadathalamia minima – type locality for species
  • †Nilsonia
    • †Nilsonia decursiva – or unidentified comparable form
    • †Nilsonia magnifolia
    • †Nilsonia menneri
    • †Nilsonia polymorpha
    • †Nilsonia serotina – or unidentified comparable form
  • Nodosaria
  • †Novispathodus
    • †Novispathodus waageni
  • Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula
    Nucula
    • †Nucula percrassa – or unidentified related form
  • Nuculana – tentative report

O
  • †Ogmoconcha
    • †Ogmoconcha alaskaense – type locality for species
    • †Ogmoconcha limbata – or unidentified related form
    • †Ogmoconcha marquardti
    • †Ogmoconcha owthropensis
    • †Ogmoconcha tailleuri – type locality for species
    • †Ogmoconcha unicerata – type locality for species
  • †Omphaloptycha
  • †Onychiopsis
    • †Onychiopsis psilotoides – or unidentified comparable form
  • †Ophiceras
    • †Ophiceras commune
    • †Ophiceras greenlandicum – or unidentified comparable form
  • †Orbiculiforma
    • †Orbiculiforma iniqua – type locality for species
    • †Orbiculiforma multifora – or unidentified related form
  • †Orbiculiformella – tentative report
    • †Orbiculiformella incognita – type locality for species
  • Ostrea
  • †Otoceras
    • †Otoceras boreale
  • †Otoscaphites
    • †Otoscaphites teshioensis
  • †Otozamites
    • †Otozamites bornholmiensis – tentative report
    • †Otozamites pterophylloides
  • †Owenites
    • †Owenites koeneni – or unidentified comparable form
  • Fossilized shell in multiple views of the Middle Jurassic ammonoid cephalopod Oxycerites
    †Oxycerites
    • †Oxycerites chinitnana – type locality for species
  • †Oxytoma

P
  • †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
    • †Pagiophyllum falcatum
    • †Pagiophyllum triangulare
  • †Palaeastraea
    • †Palaeastraea borealis
    • †Palaeastraea descussata
  • †Palaeopharus
    • †Palaeopharus buriji – or unidentified comparable form
  • †Paleosaturnalis
  • †Pamiroseris
    • †Pamiroseris borealis – type locality for species
    • †Pamiroseris meriani
    • †Pamiroseris rectilamellosa – or unidentified comparable form
  • Panopea
    • †Panopea elongatissima – or unidentified comparable form
    • †Panopea kissoumi
  • †Pantanellium
    • †Pantanellium fosteri – or unidentified related form
  • †Paracadoceras
    • †Paracadoceras chisikense – type locality for species
    • †Paracadoceras moffiti – type locality for species
    • †Paracadoceras multiforme
    • †Paracadoceras tonniense – type locality for species
  • †Paracuifia
    • †Paracuifia anomala
    • †Paracuifia jennieae – type locality for species
    • †Paracuifia smithi – type locality for species
  • †Paracyclas – tentative report
    • †Paracyclas ellipticus – or unidentified comparable form
  • †Paradelphinulopsis
    • †Paradelphinulopsis vallieri
  • †Parallelodon
    • †Parallelodon cumshewaensis
    • †Parallelodon simillimus
  • †Paranannites
    • †Paranannites aspenensis
    • †Paranannites slossi
  • †Parareineckeia
    • †Parareineckeia hickersonensis – type locality for species
    • †Parareineckeia shelikofana – type locality for species
  • †Parasilesites – type locality for genus
    • †Parasilesites bullatus – type locality for species
    • †Parasilesites irregularis – type locality for species
  • †Parastraeomorpha
    • †Parastraeomorpha minuscula
  • †Parataxodium
    • †Parataxodium wigginsii – or unidentified comparable form
  • †Paratropites
  • †Parauvanella
    • †Parauvanella ferdowsensis – or unidentified comparable form
  • †Parkinsonia – tentative report
  • †Paroecotraustes
  • †Paronaella
    • †Paronaella bandyi – or unidentified related form
    • †Paronaella pessagnoi – type locality for species
    • †Paronaella pygmaea – or unidentified related form
    • †Paronaella venadoensis – or unidentified related form
    • †Paronaella venusta – type locality for species
  • †Partschiceras
    • †Partschiceras ellipticum – type locality for species
    • †Partschiceras grantzi – type locality for species
    • †Partschiceras japonicum
    • †Partschiceras subobtusiforme
  • Parvamussium – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Parvicingula
    • †Parvicingula blackhornensis
    • †Parvicingula praeacutum – type locality for species
    • †Parvicingula rothwelli – or unidentified related form
  • †Patagiosites
    • †Patagiosites alaskensis – type locality for species
  • Patella – tentative report
  • †Pecten
    • †Pecten spp.
  • †Pelekodites
    • †Pelekodites pelekus – or unidentified comparable form
  • †Pentacrinus
  • Fossilized shell of the Cretaceous brachiopod Peregrinella
    †Peregrinella
    • †Peregrinella chisania – type locality for species
  • †Peribositria – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Peribositria mimer – tentative report
  • †Perispyridium
    • †Perispyridium alinchakense
    • †Perispyridium dettermani
    • †Perispyridium nitidum
  • †Phacelophyllia – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Phacelophyllia suttonensis
  • †Phacelostylophyllum
    • †Phacelostylophyllum zitteli
  • †Phloioceras
  • †Phoenicopsis
    • †Phoenicopsis angustifolia - or unidentified loosely related form
  • Pholadomya
  • Life restoration of the Early Jurassic-Late Cretaceous ammonoid cephalopod Phylloceras
    †Phylloceras
    • †Phylloceras bakeri – type locality for species
  • †Phyllopachyceras
    • †Phyllopachyceras chitinanum – type locality for species
    • †Phyllopachyceras forbesianum
    • †Phyllopachyceras shastalense – or unidentified comparable form
  • †Piarorhynchia – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Piarorhynchia hamiltonensis – type locality for species
  • †Pinacoceras
    • †Pinacoceras rex – or unidentified comparable form
  • †Pinna
    • †Pinna expansa – or unidentified comparable form
  • †Pinnigena
  • †Pityolepis – tentative report
  • †Pityophyllum
    • †Pityophyllum nordenskioldii - or unidentified loosely related form
    • †Pityophyllum staratschinii - or unidentified loosely related form
  • †Pityostrobus
    • †Pityostrobus piceoides – or unidentified comparable form
  • †Placites
  • †Placunopsis – tentative report
  • †Plagiostoma
  • †Planolites – tentative report
  • Leaves and fruit of a living Platanus, or plane tree
    Platanus
    • †Platanus louravetlanica
  • †Platyceras
  • †Pleuroacanthites
    • †Pleuroacanthites mulleri - or unidentified loosely related form
  • †Pleuromya
    • †Pleuromya carlottensis
  • †Pleuronautilus
    • †Pleuronautilus alaskensis – type locality for species
  • †Pleurophorus – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Pleurophorus overbecki – type locality for species
  • Pleurotomaria
  • Plicatula
    • †Plicatula perimbricata – or unidentified comparable form
    • †Plicatula periobricata – or unidentified comparable form
  • †Podozamites
    • †Podozamites eichwaldii - or unidentified loosely related form
    • †Podozamites spp.
  • †Polycingulatisporites
    • †Polycingulatisporites triangularis
  • †Posidonia
  • †Poulpus
    • †Poulpus transitus
  • †Praeparvicingula
    • †Praeparvicingula communis – type locality for species
    • †Praeparvicingula decora – or unidentified related form
    • †Praeparvicingula inornata – type locality for species
    • †Praeparvicingula prisca – type locality for species
  • †Proarcestes
    • †Proarcestes shastensis
  • †Procerites
    • †Procerites irregularis – type locality for species
  • †Procyclolites
  • †Projuvavites
    • †Projuvavites brockensis
  • †Promathildia – tentative report
  • †Proptychites
    • †Proptychites rosenkrantzei – or unidentified comparable form
  • †Protocardia
  • †Protocula
    • †Protocula bassetti
  • †Protorcula
    • †Protorcula bassetti – type locality for species
  • Fossilized shell of the Triassic ammonoid cephalopod Protrachyceras
    †Protrachyceras
  • †Pseudammatoceras
    • †Pseudammatoceras benneri – or unidentified related form
  • †Pseudaptetoceras
    • †Pseudaptetoceras klimakomphalum
  • †Pseudobythocypris
  • †Pseudocrucella
    • †Pseudocrucella plana – type locality for species
    • †Pseudocrucella prava – type locality for species
  • †Pseudocycas
  • †Pseudodictromitria
    • †Pseudodictromitria carpatica
  • †Pseudoencurtis
  • †Pseudoheliodiscus
    • †Pseudoheliodiscus viejoensis
  • †Pseudolioceras
    • †Pseudolioceras compactile – or unidentified comparable form
    • †Pseudolioceras costistriatum – type locality for species
    • †Pseudolioceras fastigatum – type locality for species
    • †Pseudolioceras lythense – or unidentified comparable form
    • †Pseudolioceras whiteavesi
  • Fossilized shell of a Pseudomelania sea snail
    †Pseudomelania – tentative report
  • †Pseudomonotis – tentative report
  • †Pseudophyllites
    • †Pseudophyllites indra
  • †Pseudosageceras
  • †Pseudoseptifer
  • †Pseudospondylospira – type locality for genus
    • †Pseudospondylospira perplexa – type locality for species
  • †Pseudostylosphaera
    • †Pseudostylosphaera coccostyle
    • †Pseudostylosphaera helicatum
    • †Pseudostylosphaera japonica
    • †Pseudostylosphaera nazarovi
  • †Pseudotoites
    • †Pseudotoites argentinus – or unidentified comparable form
    • †Pseudotoites transatlanticus – or unidentified comparable form
  • †Pseudoxybeloceras – tentative report
  • †Pteria
  • †Pterophyllum
    • †Pterophyllum aequale
    • †Pterophyllum rajmahalense
  • †Ptychoceras
    • †Ptychoceras laeve – or unidentified comparable form
  • †Ptyctothyris – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Ptyctothyris stephani
  • Purpurina
    • †Purpurina gravinaensis – type locality for species
  • Fossilized shell of the Early-Late Cretaceous ammonoid cephalopod Puzosia
    †Puzosia
    • †Puzosia alaskana – type locality for species
  • †Puzosigella
    • †Puzosigella perrinsmithi – or unidentified comparable form
    • †Puzosigella spp.
    • †Puzosigella taffi – or unidentified comparable form

Q
  • †Quercoidites
    • †Quercoidites genustriatus

R
  • †Recytella
  • †Reineckeites
    • †Reineckeites stuebeli – or unidentified comparable form
  • †Reineckia
    • †Reineckia stuebeli – or unidentified comparable form
  • †Retiophyllia
    • †Retiophyllia caespitosa
    • †Retiophyllia clathrata – type locality for species
    • †Retiophyllia dawsoni
    • †Retiophyllia delicatula
    • †Retiophyllia fenestrata
    • †Retiophyllia frechi – or unidentified comparable form
    • †Retiophyllia norica
    • †Retiophyllia obtusa
    • †Retiophyllia oppeli
    • †Retiophyllia parviseptum
    • †Retiophyllia robusta – or unidentified comparable form
    • †Retiophyllia tenuicosta
  • Rhombocythere
  • Fossilized shell of the Silurian-Eocene articulate brachiopod Rhynchonella
    †Rhynchonella
    • †Rhynchonella blackwelderi – type locality for species

S
  • †Sagenites – tentative report
  • †Sagenopteris – tentative report
  • †Sarla
    • †Sarla vetusta
  • †Saurexallopus
  • Life restoration of the Late Cretaceous dromaeosaurid Saurornitholestes preying upon a multituberculate mammal
    †Saurornitholestes
    • †Saurornitholestes langstoni
  • †Saxoceras – tentative report
    • †Saxoceras portlocki - or unidentified loosely related form
  • †Scaphites
  • †Scheffleraephyllum
    • †Scheffleraephyllum venustum
  • †Schizodus – tentative report
    • †Schizodus appressus – or unidentified comparable form
  • †Sciponoceras
  • Scurria – tentative report
  • †Seirocrinus
    • †Seirocrinus subangularis
  • †Septocardia
    • †Septocardia pascoensis – or unidentified comparable form
    • †Septocardia peruviana – or unidentified comparable form
  • Serpula
  • †Seymourites
    • †Seymourites abruptus
    • †Seymourites alticostatus – type locality for species
    • †Seymourites gittinsi
    • †Seymourites ingrahami
    • †Seymourites mcevoyi
    • †Seymourites multus
    • †Seymourites plenus
    • †Seymourites tychonis
  • †Siemiradzkia – or unidentified comparable form
    • †Siemiradzkia aurigera
  • †Sigmopollis
    • †Sigmopollis psilatus
  • †Simbirskites
  • †Sirenites
    • †Sirenites hayesi – type locality for species
  • Fossilized shells of the marine bivalve Solecurtus
    Solecurtus – tentative report
    • †Solecurtus chapmani – type locality for species
  • Solemya – tentative report
  • †Solenopora
  • †Sonninia
    • †Sonninia alaskensis – type locality for species
    • †Sonninia bifurcata – type locality for species
  • †Spatulites
    • †Spatulites spatians – or unidentified related form
  • †Sphaerocladiscites
    • †Sphaerocladiscites martini – type locality for species
    • †Sphaerocladiscites mendenhalli – type locality for species
  • †Sphaeroidochyria – tentative report
  • Fossilized leaf of the Late Cretaceous ginkgo relative Sphenobaiera
    †Sphenobaiera
    • †Sphenobaiera biloba - or unidentified loosely related form
    • †Sphenobaiera czekanowskiana - or unidentified loosely related form
    • †Sphenobaiera longifolia - or unidentified loosely related form
  • †Spinidelphinulopsis
    • †Spinidelphinulopsis whaleni
  • †Spiriferina
    • †Spiriferina borealis – tentative report
    • †Spiriferina yukonensis – type locality for species
  • †Spirocyclina – tentative report
  • †Spirogmoceras
    • †Spirogmoceras shastense – or unidentified comparable form
  • †Spondylospira
    • †Spondylospira lewesensis
  • Shell of a Spondylus, or spiny oyster
    Spondylus – tentative report
  • †Spongiomorpha
    • †Spongiomorpha acyclica
    • †Spongiomorpha gibbosa
    • †Spongiomorpha ramosa
  • †Steinmannites
  • †Stellispongia
    • †Stellispongia subsphaerica – or unidentified comparable form
  • †Stenocadoceras
    • †Stenocadoceras bowserense – type locality for species
    • †Stenocadoceras iniskinense – type locality for species
    • †Stenocadoceras multicostatum – type locality for species
    • †Stenocadoceras pomeroyense – type locality for species
    • †Stenocadoceras stenoloboide
    • †Stenocadoceras striatum – type locality for species
  • †Stenorachis
    • †Stenorachis striolatus
  • †Stereisporites
    • †Stereisporites regium
  • †Stromatomorpha
    • †Stromatomorpha californica
  • †Stylophyllum
    • †Stylophyllum pygmaeum
  • †Sunrisites – tentative report

T
  • †Taeniopteris – tentative report
  • †Tancredia
    • †Tancredia kurupana – type locality for species
    • †Tancredia stelcki
  • Terebratula
  • Fossils of the ichnogenus Teredolites, produced by bivalves boring into wood.
    Teredolites
  • †Tetragonites
    • †Tetragonites glabrus
    • †Tetragonites kiliani
    • †Tetragonites timotheanus – or unidentified related form
  • †Thallites
    • †Thallites arctica - or unidentified loosely related form
  • †Thamnasteria
    • †Thamnasteria borealis
    • †Thamnasteria smithi
  • †Thecosmilia – report made of unidentified related form or using admittedly obsolete nomenclature
  • Thracia
    • †Thracia semiplanata
    • †Thracia stelcki
  • †Tosapecten – tentative report
  • †Trachyceras – tentative report
  • †Triassocampe
    • †Triassocampe deweveri
  • †Triassocypris
  • †Trichites – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Tricolpopollenites
    • †Tricolpopollenites parvulus
  • †Trigonarca – or unidentified comparable form
    • †Trigonarca tumida
  • †Trigonia
  • †Trigonodus – tentative report
  • †Tritrabs
    • †Tritrabs worzeli – or unidentified related form
  • Trochocyathus – tentative report
  • Trochus
  • Fossilized skeleton found in Alaska of the Late Cretaceous troodontid Troodon
    †Troodon
    • †Troodon formosus
  • †Tropites
    • †Tropites stantoni – type locality for species
  • †Trudopollis
    • †Trudopollis meekeri
  • †Trypanostylus – tentative report
  • †Turanta – tentative report
    • †Turanta unica – type locality for species
  • Turbo – tentative report
  • Turritella – tentative report
  • †Tutcheria
    • †Tutcheria densestriata

U
  • Fossilized skeleton found in Alaska of the Late Cretaceous duck-billed dinosaur Ugrunaaluk
    †Ugrunaaluk – type locality for genus
    • †Ugrunaaluk kuukpikensis – type locality for species
  • †Unnuakomys – type locality for genus[1]
    • †Unnuakomys hutchisoni – type locality for species[2]

V
  • Vaginulina
  • †Valdedorsella – tentative report
    • †Valdedorsella whiteavesi – type locality for species
  • †Variamusiua – tentative report
  • †Vaugonia
    • †Vaugonia doroschini
    • †Vaugonia imlayi – type locality for species
  • †Vermiceras
    • †Vermiceras rursicostatum – or unidentified comparable form
  • †Vinassaspongus
    • †Vinassaspongus erendili
    • †Vinassaspongus subsphaericus

W
  • †Weyla
    • †Weyla unca
  • †Witchellia
    • †Witchellia sutneroides – type locality for species
  • †Wollemanniceras
    • †Wollemanniceras alaskanum
    • †Wollemanniceras fohlinense
  • †Worthenia
    • †Worthenia klamathensis
    • †Worthenia spp.
  • †Wyomingites
    • †Wyomingites aplanatus

X
  • †Xenoceltites
    • †Xenoceltites cordilleranus
  • †Xenocephalites
    • †Xenocephalites hartsocki – type locality for species
    • †Xenocephalites vicarius – type locality for species
  • †Xenoxylon
    • †Xenoxylon latiporosum

Y
  • †Yezoites
    • †Yezoites puerculus
    • †Yezoites teshionesis

Z
  • †Zetoceras
    • †Zetoceras zetes – or unidentified comparable form
  • †Zugmayerella
    • †Zugmayerella americana
    • †Zugmayerella koessensis
    • †Zugmayerella ormana
    • †Zugmayerella uncinata
  • †Zygopleura
gollark: Recaptcha v3 allegedly does this, yes.
gollark: Your thing doesn't guarantee it much either.
gollark: I don't like that either. But it seems more elegant.
gollark: Why not just simplify it to "you provide a government ID and get a login of some form, which issues captcha tokens"?
gollark: I see.

References
  1. Jaelyn J. Eberle; William A. Clemens; Paul J. McCarthy; Anthony R. Fiorillo; Gregory M. Erickson; Patrick S. Druckenmiller (2019). "Northern-most record of the Metatheria: a new Late Cretaceous pediomyid from the North Slope of Alaska". Journal of Systematic Palaeontology. Online edition: 1–20. doi:10.1080/14772019.2018.1560369.
  2. Jaelyn J. Eberle; William A. Clemens; Paul J. McCarthy; Anthony R. Fiorillo; Gregory M. Erickson; Patrick S. Druckenmiller (2019). "Northern-most record of the Metatheria: a new Late Cretaceous pediomyid from the North Slope of Alaska". Journal of Systematic Palaeontology. Online edition: 1–20. doi:10.1080/14772019.2018.1560369.
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