Paleozoic
Selected Paleozoic taxa of Alaska
- † Abadehella
- † Acanthophyllum
Fossil of the Silurian-Middle Devonian trilobite Acanthopyge - † Acmarhachis
- † Agoniatites – tentative report
- † Amplexus
- † Ancyrognathus
- † Anomphalus – tentative report
- † Athyris
- † Athyris lamellosa – or unidentified related form
- † Atrypa
- † Aulopora
Mold fossil of a shell of the Early Devonian-Late Triassic bivalve 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 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 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 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 - † 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
- † Dicoelosia
- † Dictyonema
Fossil of the Middle Ordovician graptolite 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 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 - † Gervillia
- † Girvanella
- † Gomphoceras
- † Goniatites
- † Grewingkia
- † Gypospirifer
- † Halysites
- † Harpides
- † Harpidium
- † Hedstroemia – tentative report
- † Heliophyllum
- † Hemirhodon
- † Hercynella
Fossil of the Devonian colonial rugose coral Hexagonaria , also known as a Petoskey stone - † Hindeodus
- † Holopea
- † Homagnostus
- † Howittia
- † Icriodus
- † Idiognathodus
- † Isograptus
- † Isograptus forcipiformis
- † Isograptus manubriatus – or unidentified comparable form
Fossilized shells of the Middle Ordovician-Permian nautiloid cephalopod Kionoceras - † Kootenia
- † Kootenia anabarensis – or unidentified comparable form
- † Kootenia granulospinosa – type locality for species
- † Kootenia serrata – or unidentified comparable form
- † Krausella
- † Lejopyge
- † 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 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 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 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 shumardiana – or unidentified related form
- † Oncagnostus
- † 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 - † Parafusulina – tentative report
- † Pecopteris
- † Pentamerus
- † Peronopsis
- † Phalagnostus
- † Phillipsia
- † Phyllograptus
- † Pinna
- † Platyceras
- † Platycrinites
- Pleurotomaria
Various conodont elements of 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
- † Pseudomelania
Fossil of the primitive Devonian vascular plant Psilophyton - † Pteria – report made of unidentified related form or using admittedly obsolete nomenclature
- † Ptychagnostus
- † Pugnax
- † Receptaculites
- † Rhynchonella
- † Rothpletzella
- † Sarcinula
- † Schwagerina
- † Sinutropis
- † Skenidioides
- † Solenopora
- † Solenopsis – tentative report
- † Sowerbyella
- † Spathognathodus
- † Sphaerina
- † Sphaerocodium
Fossilized shell of the Late Ordovician-Late Triassic brachiopod 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 - † Tetradium
- † Tetragraptus
- † Triarthrus
- † Uraloceras
- † Westergaardodina
Restoration of the Permian shark Wodnika - † Zacanthoides
