This list of the Paleozoic life of Arizona contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Arizona and are between 538.8 and 252.17 million years of age.

A

  • †Acandylacanthus
  • †Acanthopecten
    • †Acanthopecten coloradoensis
  • †Achistrum
    • †Achistrum frizzelli
  • †Aclisina – tentative report
    • †Aclisina bisulcata – type locality for species
  • †Acrocephalops
  • †Adetognathus
    • †Adetognathus gigantus
    • †Adetognathus lautus
  • †Aglaocrinus
    • †Aglaocrinus konecnyorum – type locality for species
    • †Aglaocrinus nacoensis – type locality for species
  • †Aglaoglypta
    • †Aglaoglypta maera
  • †Alisporites
  • †Alloiopteris
    • †Alloiopteris sternbergii
  • †Alloipteris
    • †Alloipteris sternbergii
  • †Allorisma – tentative report
    • †Allorisma juveniles – informal
  • †Alokistocare
  • †Altudoceras
    • †Altudoceras mckeei – type locality for species
  • †Alula
    • †Alula gilberti
  • †Ambocoelia
  • †Amelacanthus
  • †Ameura
  • †Amphipora
  • †Amphiscapha
    • †Amphiscapha proxima
    • †Amphiscapha subrugosa
  • †Amplexizaphrentis
  • †Anisopyge
    • †Anisopyge inornata
  • Fossil of the Carboniferous horsetail relative Annularia
    †Annularia
  • †Anomphalus
  • †Anoria
  • †Antagmus
  • †Anthracospirifer
    • †Anthracospirifer leidyi
    • †Anthracospirifer newberryi
    • †Anthracospirifer occiduus
    • †Anthracospirifer opimus – or unidentified comparable form
    • †Anthracospirifer tanoensis
  • †Antiquatonia
    • †Antiquatonia portlockianus
  • †Apachella – type locality for genus
    • †Apachella arizonensis – type locality for species
    • †Apachella franciscana – type locality for species
    • †Apachella mulensis
    • †Apachella prodontia
    • †Apachella translirata
    • †Apachella turbiniformis – type locality for species
  • †Aphyllopteris
  • †Arasta
    • †Arasta torquata
  • †Arastra – type locality for genus
    • †Arastra torquata – type locality for species
  • †Archaeocidaris
  • Fossils of the Carboniferous-Permian bryozoan Archimedes
    †Archimedes
  • †Arcochiton
    • †Arcochiton richardsoni
  • †Arizonella – type locality for genus
    • †Arizonella allecta – type locality for species
  • †Arizonerpeton – type locality for genus
    • †Arizonerpeton wellsi – type locality for species
  • †Astartella
    • †Astartella subquadrata
  • †Asterophyllites
    • †Asterophyllites equisetiformis
    • †Asterophyllites grandis
  • †Athyris
  • †Atribonium
    • †Atribonium arizonensis
  • †Aulametacoceras – type locality for genus
    • †Aulametacoceras mckeei – type locality for species
  • †Aulopora
  • Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten
    †Aviculopecten
  • †Aviculopinna
    • †Aviculopinna peracuta – tentative report

B

  • †Bakevellia
    • †Bakevellia prora – type locality for species
    • †Bakevellia sulcata
  • †Batostomella
    • †Batostomella nitidula
    • †Batostomella spinulosa
  • †Batostromella
  • †Baxtonia
    • †Baxtonia arizonensis
  • †Baylea
    • †Baylea coheni – type locality for species
  • †Bellaclathrus – type locality for genus
    • †Bellaclathrus spinosus – type locality for species
  • Fossilized shell of the Silurian-Early Triassic mollusc Bellerophon
    †Bellerophon
    • †Bellerophon deflectus – type locality for species
    • †Bellerophon huecoensis
    • †Bellerophon parvicristus
    • †Bellerophon sublaevis
  • †Biarmeaspira
    • †Biarmeaspira multilineata
  • †Bicorbis – type locality for genus
    • †Bicorbis arizonica – type locality for species
  • †Bolaspis
    • †Bolaspis aemula
  • †Brachyphyllum
    • †Brachyphyllum arizonicum – type locality for species
    • †Brachyphyllum arizonieum – type locality for species
    • †Brachyphyllum tenue – type locality for species
  • †Brachythyris
    • †Brachythyris chesterensis
    • †Brachythyris peculiaris
  • †Bradyospira – type locality for genus
    • †Bradyospira johnsensis – type locality for species
  • †Bransonella
    • †Bransonella lingulata – tentative report
    • †Bransonella nebraskensis – tentative report
    • †Bransonella tribula – type locality for species
  • †Brongniartites – tentative report
    • †Brongniartites aliena – type locality for species
    • †Brongniartites yakiensis – type locality for species
  • †Bucanopsis
  • †Buxtonia
    • †Buxtonia arizonensis
    • †Buxtonia arkansansus
    • †Buxtonia arkansanus

C

  • Fossilized stems from the Carboniferous-Permian horsetail relative Calamites
    †Calamites
  • †Callipteris
    • †Callipteris arizonae – type locality for species
    • †Callipteris C. flabellifera – or unidentified comparable form
    • †Callipteris conferta
    • †Callipteris flabellifera
    • †Callipteris raymondi
  • †Camarotechia
    • †Camarotechia metallica
  • †Camarotoechia
  • Fossils of the Devonian-Permian horn coral Caninia
    †Caninia – tentative report
    • †Caninia arcuata
  • †Carpolithus
  • †Chilotrypa – tentative report
  • †Chonetes
  • †Cibecuia – type locality for genus
    • †Cibecuia cedarensis – type locality for species
  • †Clavaspidella
    • †Clavaspidella kanabensis
  • †Cleiothyridina
  • †Cliothyridina
    • †Cliothyridina sublamellosa
  • †Cloithyridina
    • †Cloithyridina hirsuta
  • †Complexisporites
  • Fossilized shell of the Late Devonian-Permian brachiopod Composita
    †Composita
  • †Conetes
    • †Conetes oklahomensis
  • †Congeriomorpha – type locality for genus
    • †Congeriomorpha andrusovi – type locality for species
  • †Conularia
    • †Conularia kaibabensis – type locality for species
  • †Converrucosisporites
  • †Convolutispora
  • Life restoration of the Silurian-Early Devonian primitive land plant Cooksonia
    †Cooksonia – or unidentified comparable form
    • †Cooksonia hemisphaerica
  • †Cordaites
  • †Costellarina
    • †Costellarina carlstroemi
  • †Craenena
  • †Cristatisporites
  • †Cromyocrinus – tentative report
  • †Crurithyris
    • †Crurithyris planoconvexa
  • †Cupularostrum
    • †Cupularostrum saxatilis
    • †Cupularostrum saxitalis
  • †Cupulo – or unidentified comparable form
    • †Cupulo rostrum
  • †Cyclocarpon
    • †Cyclocarpon angelicum – type locality for species
  • †Cycloceras
    • †Cycloceras randolphensis
  • †Cyclopteris
    • †Cyclopteris orbicularis
  • †Cyclozyga
    • †Cyclozyga micra
  • †Cylindritopsis
    • †Cylindritopsis insolitus – type locality for species
  • †Cymatochiton – tentative report
    • †Cymatochiton kaibabensis – type locality for species
  • †Cyperites
  • Fossilized shells of the Middle-Late Devonian brachiopod Cyrtospirifer
    †Cyrtospirifer
  • †Cystodictya

D

  • †Daubreeia
  • †Delaria
    • †Delaria sevilloidia – type locality for species
    • †Delaria snowi
  • †Delocrinus
  • †Deltodus
    • †Deltodus angularis
    • †Deltodus mercurei
    • †Deltodus sublaevis
  • †Deltopecten
    • †Deltopecten monroensis
    • †Deltopecten tahlequahensis
  • †Derbyia
    • †Derbyia crassa
    • †Derbyia robusta – or unidentified comparable form
  • †Diablodontus – type locality for genus
    • †Diablodontus michaeledmundi – type locality for species
  • †Diaphragmus
    • †Diaphragmus fasciculatus
  • †Dichotrypa
    • †Dichotrypa elegans
  • †Dicromyocrinus
    • †Dicromyocrinus beusi – type locality for species
    • †Dicromyocrinus carrizoensis – type locality for species
  • †Dictyoclostus
    • †Dictyoclostus arcuatus
  • †Dictyonina
  • †Dielasma
    • †Dielasma burlingtonensis
    • †Dielasma formosum
    • †Dielasma illinoisense
    • †Dielasma shumardanum
    • †Dielasma sinuatum
  • †Dielasmoides
    • †Dielasmoides bisinuatus
  • †Disphyllum
  • †Ditomopyge
  • †Donaldina
  • †Donaldospira
    • †Donaldospira geminocarinata – type locality for species
  • †Dyoros
    • †Dyoros kaibabensis
    • †Dyoros subliratus

E

  • †Echinaria
    • †Echinaria semipunctata
  • †Echinauris
    • †Echinauris newberryi
    • †Echinauris subhorrida
  • †Echinoconchus
    • †Echinoconchus biseriatus
    • †Echinoconchus elegans
    • †Echinoconchus rodeoensis
  • †Echinocrinus
    • †Echinocrinus dininnii – or unidentified related form
    • †Echinocrinus trudifer
  • †Edmondia
    • †Edmondia crassa
    • †Edmondia fountainensis
    • †Edmondia genevievensis
    • †Edmondia gibbosa – or unidentified comparable form
  • †Eirmocrinus
    • †Eirmocrinus brewi – type locality for species
  • †Elasmonema
  • †Elfridia – type locality for genus
    • †Elfridia bulbidens – type locality for species
  • Fossil of the Cambrian trilobite Elrathia
    †Elrathia
  • †Eltovaria
    • †Eltovaria bursiformis – type locality for species
  • †Endelocrinus
  • †Endosporites
  • †Ensiferites
    • †Ensiferites brandenburgi – type locality for species
  • †Eoastarte
    • †Eoastarte subcircularis
  • Eocaudina
    • †Eocaudina marginata
  • †Eocrinus
  • †Eomarginifera
    • †Eomarginifera adairensis
  • †Eridopora
    • †Eridopora macrostoma
    • †Eridopora occidentalis
  • †Euconoapira
  • †Euconospira
    • †Euconospira cryptolirata – type locality for species
    • †Euconospira missouriensis – or unidentified comparable form
  • †Eumetria
    • †Eumetria vera
    • †Eumetria verneuilana
  • Fossilized shell of the Silurian-Permian sea snail Euomphalus
    †Euomphalus
    • †Euomphalus cornudanus
    • †Euomphalus kaibabensis – type locality for species
    • †Euomphalus similis
    • †Euomphalus spergenense
    • †Euomphalus subplanus
    • †Euomphalus utahensis
  • †Euphemites
    • †Euphemites aequisulcatus – type locality for species
    • †Euphemites lentiformus
  • †Euphemitopsis
    • †Euphemitopsis multinodosa
    • †Euphemitopsis subpapillosa

F

  • †Fenestella
    • †Fenestella morrowensis
    • †Fenestella multispinosa
  • †Fistulipora
  • †Flexaria
  • †Florinites
  • †Floweria
    • †Floweria chemungensis
    • †Floweria prava
  • †Frnestella
    • †Frnestella serratula
    • †Frnestella tenax
  • Assemblage of fossils of Silurian-Permian fusulinid foraminiferans
    †Fusulina
    • †Fusulina socorroensis

G

  • †Gamphalosia
  • †Gingkophytopsis
  • †Girtyella
    • †Girtyella brevilobata
    • †Girtyella indianensis
  • †Girtypora
    • †Girtypora maculata – type locality for species
  • †Girtyspira
  • †Glabrocingulum
    • †Glabrocingulum coronatum – type locality for species
    • †Glabrocingulum gibber – type locality for species
    • †Glabrocingulum laeviliratum – type locality for species
  • Life restoration of the Carboniferous shark Glikmanius
    †Glikmanius
  • †Globular
    • †Globular eocrinoid – tentative report
  • †Glossopleura
  • †Glyphaspis
    • †Glyphaspis tecta
  • †Glyptopora
  • †Glyptospira – type locality for genus
    • †Glyptospira cristulata – type locality for species
    • †Glyptospira huecoensis
  • †Glyptotomaria
  • Life restoration of the Permian lungfish Gnathorhiza
    †Gnathorhiza – or unidentified comparable form
  • †Gomphostrobus
    • †Gomphostrobus bifidus
    • †Gomphostrobus G. bifidus – or unidentified comparable form
  • †Goniasma
    • †Goniasma terebra
  • †Goniophora
    • †Goniophora cristata – type locality for species
  • †Grammatodon
    • †Grammatodon politus
  • †Gymnospermous
  • †Gypidula

H

  • †Haplistion
    • †Haplistion armstrongi
  • †Hastimima – tentative report
  • †Hedeia
  • †Heslerodus
    • †Heslerodus divergens
  • Fossil of the Devonian colonial rugose coral Hexagonaria, also known as a Petoskey stone
    †Hexagonaria
    • †Hexagonaria minuta
    • †Hexagonaria occidens
    • †Hexagonaria palmeri
  • †Hostimella
    • †Hostimella hostimensis
  • †Hustedia
  • †Hyolithes

I

  • †Ianthinopsis
  • †Icriodus
    • †Icriodus brevis
  • †Idiognathodus
    • †Idiognathodus delicatus
    • †Idiognathodus humerus
  • †Indospirifer
    • †Indospirifer orestes
  • †Iowaphyllum
    • †Iowaphyllum johanni
    • †Iowaphyllum nisbeti

J

  • †Janeia

K

  • †Kaibabella – type locality for genus
    • †Kaibabella curvilenata – type locality for species
  • †Kaibabvenator – type locality for genus
  • †Kingopora
    • †Kingopora portalensis
  • †Kinishbia – type locality for genus
    • †Kinishbia nodosa – type locality for species
  • †Knorria
  • †Knoxisporites
  • †Kochina – tentative report
    • †Kochina angustata
  • Fossil of the Cambrian trilobite Kootenia
    †Kootenia
    • †Kootenia mckeei
  • †Kutorginella
    • †Kutorginella meridionalis

L

  • †Laevigatosporites
  • †Lagarodus
    • †Lagarodus angustus
  • †Leioproductus
    • †Leioproductus plicatus
  • †Lepetopsis – or unidentified comparable form
  • Restoration of the Carboniferous-Late Triassic club moss relative Lepidodendron. Eli Heimans (1911).
    †Lepidodendron
  • †Lepidostrobophyllum
  • †Lepidostrobus
    • †Lepidostrobus ornatus – or unidentified comparable form
  • †Leptalosia
  • †Leptodesma
    • †Leptodesma carboniferum
    • †Leptodesma robustum
  • †Levidentalium
  • †Lingula
  • Illustration of a fossilized shell of the Cambrian-Late Ordovician brachiopod Lingulella
    †Lingulella
    • †Lingulella kanabensis
    • †Lingulella zetus
  • †Linoproductus
    • †Linoproductus altonensis
    • †Linoproductus gallatinensis
    • †Linoproductus nodosus
    • †Linoproductus ovatus
    • †Linoproductus prattenianus
    • †Linoproductus pumilis
  • †Liroceras
  • †Lissochonetes
  • †Lophamplexus – tentative report
  • †Lophophyllum – report made of unidentified related form or using admittedly obsolete nomenclature

M

  • †Manzanella
    • †Manzanella cryptodentata
  • †Marginifera – tentative report
  • †Meekella
    • †Meekella occidentalis – type locality for species
  • †Meekopinna
    • †Meekopinna sagitta – type locality for species
  • †Meekopora
    • †Meekopora parilis
  • †Meekospira
    • †Meekospira knighti – type locality for species
    • †Meekospira sulcata – type locality for species
  • †Megactenopetalus – type locality for genus
    • †Megactenopetalus kaibabanus – type locality for species
  • Fossilized shell of the Carboniferous-Permian nautiloid cephalopod Metacoceras
    †Metacoceras
    • †Metacoceras bowmani – type locality for species
    • †Metacoceras unklesbayi – type locality for species
  • †Metacromyocrinus
    • †Metacromyocrinus holdenvillensis – or unidentified comparable form
  • †Michelina
  • †Microdoma
  • †Microreticulatisporites
  • †Modiolus
    • †Modiolus fountainensis
    • †Modiolus illinoiensis
  • †Mourlonia – tentative report
    • †Mourlonia cancellata – type locality for species
  • †Multithecopora – tentative report
  • †Murchisonia
  • †Myalina
    • †Myalina adunca – type locality for species
    • †Myalina angulata
    • †Myalina congeneris
    • †Myalina monroensis
    • †Myalina nacoensis – type locality for species
  • †Myoconcha

N

  • †Nanoskalme – type locality for genus
    • †Nanoskalme natans – type locality for species
  • Fossilized shell of the Early Devonian – Triassic sea snail Naticopsis
    †Naticopsis
  • †Neosaivodus – type locality for genus
    • †Neosaivodus flagstaffensis – type locality for species
  • †Neospirifer – tentative report
  • †Neuropteridium – tentative report
  • Fronds of the Carboniferous seed fern Neuropteris
    †Neuropteris
  • †Nisusia
    • †Nisusia kanabensis
    • †Nisusia noblei
  • †Novoameura
    • †Novoameura mckeei – type locality for species
  • Nucula
    • †Nucula illinoisensis
    • †Nucula platynotus
    • †Nucula randolphensis
  • Nuculana
    • †Nuculana curta
  • †Nuculavus
    • †Nuculavus levatiformis
  • †Nuculopsis

O

  • †Odontopteris
    • †Odontopteris schlotheimii
    • †Odontopteris schlotheimiii
  • †Olenellus
  • †Omphalotrochus
    • †Omphalotrochus cochisensis
    • †Omphalotrochus hessensis
  • Life restoration of the Carboniferous-Permian amphibian Ophiderpeton
    †Ophiderpeton
    • †Ophiderpeton swisshelmense – type locality for species
  • †Orbiculoidea
    • †Orbiculoidea meekana
    • †Orbiculoidea missouriensis – or unidentified comparable form
  • †Oriocrassatella
  • †Orodus
  • †Orthacanthus
    • †Orthacanthus donnelljohnsi – type locality for species
  • †Orthonema
    • †Orthonema striatonodosum – type locality for species
  • †Orthonychia
    • †Orthonychia striatulus
  • †Orthotetes
    • †Orthotetes kaskaskiensis
    • †Orthotetes keokuk
    • †Orthotetes subglobosus
  • †Ozawainella – tentative report
    • †Ozawainella inflata

P

  • †Pachyaspis
  • †Pachyphyllum
    • †Pachyphyllum woodmani
  • Fossilized foliage of the Carboniferous-Late Cretaceous plant Pagiophyllum
    †Pagiophyllum
    • †Pagiophyllum dubium – type locality for species
  • †Paladin
  • †Palaeocapulus
    • †Palaeocapulus acutirostre
  • †Palaeolima
    • †Palaeolima chesterensis
    • †Palaeolima retifera – or unidentified comparable form
  • †Palaeoneilo
  • †Palaeostachya
  • †Palaeostylus
    • †Palaeostylus giganticus – type locality for species
  • †Paleotaxites – type locality for genus
    • †Paleotaxites praecursor – type locality for species
  • †Paleyoldia
    • †Paleyoldia pumilis
  • †Palmatolepis
  • †Paraconularia
    • †Paraconularia kohli – type locality for species
  • †Paradelocrinus
    • †Paradelocrinus nederi
  • †Parajuresania
    • †Parajuresania nebrascensis
  • †Parallelodon
    • †Parallelodon anaklastum – type locality for species
    • †Parallelodon illinoisensis
    • †Parallelodon minima
  • †Paraparchites
  • †Parapenascoceras
    • †Parapenascoceras rotundatum
    • †Parapenascoceras sanandreasense – or unidentified comparable form
  • †Parasmithiphyllum
    • †Parasmithiphyllum breviseptatum
  • †Parehmania
    • †Parehmania nitida
  • †Paterina
    • †Paterina crenistria
  • †Paurorhyncha
    • †Paurorhyncha cooperi
    • †Paurorhyncha endlichi
  • Fossils of the Late Devonian-Permian fern-like fronds Pecopteris
    †Pecopteris
    • †Pecopteris aspera – or unidentified comparable form
    • †Pecopteris cyathea
    • †Pecopteris lamuriana
  • †Penascoceras
    • †Penascoceras bradyi – type locality for species
  • †Peneckiella
  • †Peniculauris
    • †Peniculauris bassi
    • †Peniculauris ivesi
  • Fossilized theca of the Carboniferous blastoid echinoderm ("sea bud") Pentremites
    †Pentremites
  • †Permophorus
    • †Permophorus albequus
    • †Permophorus mexicanus – or unidentified comparable form
    • †Permophorus subcostatus – tentative report
  • †Pernotrochus – type locality for genus
    • †Pernotrochus arizonensis – type locality for species
  • †Perrinites
    • †Perrinites hilli
  • †Petalodus
    • †Petalodus ohioensis
  • †Petrodus
    • †Petrodus patelliformis
  • †Phacellophyllum
  • †Phestia
    • †Phestia perumbonata
  • †Phillipsia
  • Life restoration of the Carboniferous-Permian amphibian Phlegethontia.
    †Phlegethontia
    • †Phlegethontia phanerhapha – type locality for species
  • †Phricodothyris
  • †Physonemus
  • †Pinna
  • †Pityosporites
  • †Plagioglypta
  • †Planotectus – tentative report
  • †Platyceras
  • †Platyworthenia
    • †Platyworthenia delicata
  • †Polidevcia
    • †Polidevcia obesa
  • Various conodont elements of Polygnathus
    †Polygnathus
    • †Polygnathus angustidiscus
    • †Polygnathus normalis
  • †Polypora
    • †Polypora cestriensis
    • †Polypora spinulifera
  • †Pontisia
  • †Popanoceras – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Porostictia
    • †Porostictia perchaensis
  • †Potonieisporites
  • †Prodentalium
    • †Prodentalium canna
  • †Prodiozoptyxis
  • †Productus
    • †Productus indianensis
    • †Productus inflatus
    • †Productus marginicinctus
    • †Productus scitulus
  • †Promytilus
    • †Promytilus retusus – type locality for species
  • †Protoconchioides
    • †Protoconchioides hermitensis – type locality for species
  • †Protohaploxypinus
  • †Pseudoatrypa
    • †Pseudoatrypa devoniana
  • †Pseudoconocardium
  • †Pseudodielasma – tentative report
  • †Pseudogastrioceras – tentative report
  • †Pseudomonotis
    • †Pseudomonotis likharevi – or unidentified comparable form
  • †Pseudorthoceras
    • †Pseudorthoceras knoxense
  • †Pseudozygopleura
    • †Pseudozygopleura knighti – type locality for species
  • †Psygmophyllum
  • †Ptarmigania
  • †Pterinopecten
  • †Ptyonius – tentative report
    • †Ptyonius olisthmonaias – type locality for species
  • †Pugnoides
    • †Pugnoides ottumwa
  • †Pulchratia – tentative report
    • †Pulchratia picuris
  • †Punctatisporites
  • †Punctospirifer
    • †Punctospirifer subtextus
    • †Punctospirifer transversus

R

  • †Raistrickia
  • †Rectifenestella
    • †Rectifenestella tenax
  • †Reticularia
    • †Reticularia gonionota
    • †Reticularia setigera
  • †Reticularina
  • †Retispira
    • †Retispira modesta
    • †Retispira monronensis
    • †Retispira undulata – type locality for species
  • †Rhabdomeson
  • †Rhineoderma
    • †Rhineoderma dinglensis
  • †Rhipidomella
    • †Rhipidomella burlingtonensis
    • †Rhipidomella dubia
    • †Rhipidomella thiemei
  • †Rhizomaspora
  • †Rhombopora
    • †Rhombopora decipiens
    • †Rhombopora persimilis
    • †Rhombopora tenuirama
    • †Rhombopora wortheni
  • †Rhomopora
  • †Rhynchopora
    • †Rhynchopora illinoisensis
  • †Rimmyjimina – type locality for genus
    • †Rimmyjimina arcula – type locality for species
  • †Rivularites
    • †Rivularites permiensis – type locality for species
  • †Rota
    • †Rota martini
  • †Rotiphyllum
  • †Rugatia
    • †Rugatia occidentalis
  • †Rugosa

S

  • †Saivodus
  • †Sallya – tentative report
    • †Sallya lirata – type locality for species
  • †Sanguinolites
  • †Scaphellina – type locality for genus
    • †Scaphellina concinna – type locality for species
  • †Schizodus
    • †Schizodus amplus
    • †Schizodus batesvillensis
    • †Schizodus brannerianus
    • †Schizodus canalis
    • †Schizodus chesterensis
    • †Schizodus drpressus
    • †Schizodus supaiensis – type locality for species
    • †Schizodus texanus
  • †Schizophoria
    • †Schizophoria altirostris
    • †Schizophoria australis
  • †Schopfipollenites
  • †Scoyenia
    • †Scoyenia gracilis – type locality for species
  • †Selenimyalina
  • †Septimyalina
  • †Septopora
    • †Septopora cestriensis
    • †Septopora decipiens
    • †Septopora subquadrans
  • A living Serpula, or calcareous tubeworm
    Serpula
    • †Serpula helicalis – type locality for species
  • †Shansiella
    • †Shansiella beckwithana – or unidentified comparable form
  • †Shark
  • †Smithiphyllum
    • †Smithiphyllum martinense
  • Solemya
    • †Solemya parallella
  • †Soleniscus
    • †Soleniscus philipi – type locality for species
  • †Solenomorpha – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Solenopleura
  • †Solenopleurella
    • †Solenopleurella diligens
    • †Solenopleurella erosa
    • †Solenopleurella porcata
  • †Spathognathodus
    • †Spathognathodus coloradoensis
  • †Speriferina
    • †Speriferina spinosa
  • †Sphenophyllum
  • †Sphenopteris
    • †Sphenopteris S. striata – or unidentified comparable form
    • †Sphenopteris striata
  • †Spififer
    • †Spififer bifurcatus
  • †Spinocyrtia
  • Fossilized shell of the Late Ordovician-Late Triassic brachiopod Spirifer
    †Spirifer
    • †Spirifer arizonensis
    • †Spirifer bifurcata
    • †Spirifer bifurcatus
    • †Spirifer centronatus
    • †Spirifer pellaensis
    • †Spirifer rostellatus
    • †Spirifer tenuicostatus
  • †Spiriferellina
    • †Spiriferellina hilli
  • †Spiriferina
    • †Spiriferina salemensis
    • †Spiriferina spinosa
  • †Squamularia – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Stegocoelia
    • †Stegocoelia quadricostata – type locality for species
  • †Stenodiscus – tentative report
  • †Stenoscisma
    • †Stenoscisma bisinuata
    • †Stenoscisma explanata
  • Fossil preserved in situ of a Carboniferous tree-like club moss relative with attached Stigmaria rhizome system
    †Stigmaria
    • †Stigmaria ficoides
  • †Straparollus
    • †Straparollus ophirensis
  • †Streblopteria
    • †Streblopteria simpliciformis
  • †Streblotrypa
    • †Streblotrypa nicklesi
  • †Strianematina – type locality for genus
    • †Strianematina pulchrelirata – type locality for species
  • †Striatites
  • †Striatosaccites
  • †Stroboceras
  • †Strophonelloides
  • †Strophostylus
    • †Strophostylus splendens
  • †Supaia – type locality for genus
    • †Supaia anomala – type locality for species
    • †Supaia breviloba – type locality for species
    • †Supaia compacta – type locality for species
    • †Supaia linearifolia – type locality for species
    • †Supaia merriami – type locality for species
    • †Supaia rigida – type locality for species
    • †Supaia sturdevantii – type locality for species
    • †Supaia subgoepperti – type locality for species
    • †Supaia thinnfeldioides – type locality for species
  • †Synarmocrinus
    • †Synarmocrinus carrizoensis – type locality for species
  • Fossil of the Devonian tabulate coral Syringopora
    †Syringopora
  • †Syringospira
    • †Syringospira prima

T

  • †Tabulipora
    • †Tabulipora paradisensis
    • †Tabulipora tuberculata
  • †Tabulophyllum
  • †Taeniopteris
    • †Taeniopteris angelica – type locality for species
    • †Taeniopteris coriacea
    • †Taeniopteris eckhardti – or unidentified comparable form
    • †Taeniopteris newberriana
    • †Taeniopteris T. newberriana – or unidentified comparable form
  • †Tainoceras
    • †Tainoceras duttoni
    • †Tainoceras schellbachi – type locality for species
  • †Taxites
  • †Tenticospirifer
    • †Tenticospirifer cyrtinaformis
    • †Tenticospirifer cyrtinoformis
    • †Tenticospirifer cytinoformis
  • †Thamniscus
    • †Thamniscus furcillatus
  • †Thamnopora
  • †Torynifer
    • †Torynifer spinosus
  • †Trapezophyllum
  • Life restoration of the Carboniferous-Triassic freshwater shark Triodus
    †Triodus
    • †Triodus elpia – type locality for species
  • †Triplophyllum
  • †Triquitrites
  • †Tupus
    • †Tupus gilmorei – type locality for species
    • †Tupus whitei – type locality for species
  • †Turbonopsis
    • †Turbonopsis apachiensis
  • †Tusayana – type locality for genus
    • †Tusayana cibola – type locality for species

U

  • †Ullmannia
    • †Ullmannia frumentaria

V

  • †Venustodus
    • †Venustodus leidyi
  • †Verrucosisporites
  • Restoration of the Permian trilobite Vidria
    †Vidria
    • †Vidria contendens – type locality for species
  • †Voltzia
    • †Voltzia dentiloba – type locality for species

W

  • †Waagenella
    • †Waagenella crassus
  • †Waagenoconcha
  • Fossilized foliage of the Carboniferous-Permian conifer Walchia
    †Walchia
    • †Walchia dawsoni – type locality for species
    • †Walchia gracillima – type locality for species
    • †Walchia hypnoides
    • †Walchia piniformis
  • †Walpia
    • †Walpia hermitensis – type locality for species
  • †Wardia
  • †Warthia
    • †Warthia crassus
  • †Wedekindellina
    • †Wedekindellina matura – or unidentified comparable form
  • †Wellerella
  • †Wilkingia
    • †Wilkingia terminale
    • †Wilkingia terminalis
  • †Worthenia
    • †Worthenia arizonensis – type locality for species
    • †Worthenia corrugata – type locality for species

Y

  • †Yakia – type locality for genus
    • †Yakia heterophylla – type locality for species
  • †Yarravia
    • †Yarravia gorelovii
  • Yoldia

References

  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 7 August 2017.
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