List of the Paleozoic life of Arizona

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.

• †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

• 

  †Annularia
  • †Annularia asteris
  • †Annularia mucronata
  • †Annularia stellata
• †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

• 

  †Archimedes
  • †Archimedes confertus
  • †Archimedes intermedius
  • †Archimedes invaginatus
  • †Archimedes lativolvis
  • †Archimedes proutanus
  • †Archimedes terebriformis
• †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

• 

  †Aviculopecten
  • †Aviculopecten bellatulus – type locality for species
  • †Aviculopecten girtyi – or unidentified comparable form
  • †Aviculopecten gravidus
  • †Aviculopecten kaibabensis – type locality for species
• †Aviculopinna
  • †Aviculopinna peracuta – tentative report

• †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

• 

  †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

• 

  †Calamites
  • †Calamites cisti
  • †Calamites cistiiformis
• †Callipteris
  • †Callipteris arizonae – type locality for species
  • †Callipteris C. flabellifera – or unidentified comparable form
  • †Callipteris conferta
  • †Callipteris flabellifera
  • †Callipteris raymondi
• †Camarotechia
  • †Camarotechia metallica
• †Camarotoechia
  • †Camarotoechia metallica
  • †Camarotoechia mutata
  • †Camarotoechia purduei

• 

  †Caninia – tentative report
  • †Caninia arcuata
• †Carpolithus
• †Chilotrypa – tentative report
• †Chonetes
  • †Chonetes okahomensis
  • †Chonetes oklahomensis
• †Cibecuia – type locality for genus
  • †Cibecuia cedarensis – type locality for species
• †Clavaspidella
  • †Clavaspidella kanabensis
• †Cleiothyridina
  • †Cleiothyridina orbicularis
• †Cliothyridina
  • †Cliothyridina sublamellosa
• †Cloithyridina
  • †Cloithyridina hirsuta
• †Complexisporites

• 

  †Composita
  • †Composita deltoides
  • †Composita gibbosa
  • †Composita humilis
  • †Composita laevis
  • †Composita lewisensis
  • †Composita mexicana
  • †Composita ovata
  • †Composita ozarkana
  • †Composita subtilia
  • †Composita subtilita
  • †Composita trinuclea
• †Conetes
  • †Conetes oklahomensis
• †Congeriomorpha – type locality for genus
  • †Congeriomorpha andrusovi – type locality for species
• †Conularia
  • †Conularia kaibabensis – type locality for species
• †Converrucosisporites
• †Convolutispora

• 

  †Cooksonia – or unidentified comparable form
  • †Cooksonia hemisphaerica
• †Cordaites
  • †Cordaites principalis
• †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

• 

  †Cyrtospirifer
  • †Cyrtospirifer kindlei
  • †Cyrtospirifer whitneyi
• †Cystodictya

• †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

• †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

• 

  †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

• 

  †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

• †Fenestella
  • †Fenestella morrowensis
  • †Fenestella multispinosa
• †Fistulipora
• †Flexaria
• †Florinites
• †Floweria
  • †Floweria chemungensis
  • †Floweria prava
• †Frnestella
  • †Frnestella serratula
  • †Frnestella tenax

• 

  †Fusulina
  • †Fusulina socorroensis

• †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

• 

  †Glikmanius
  • †Glikmanius myachkovensis
  • †Glikmanius occidentalis
• †Globular
  • †Globular eocrinoid – tentative report
• †Glossopleura
• †Glyphaspis
  • †Glyphaspis tecta
• †Glyptopora
• †Glyptospira – type locality for genus
  • †Glyptospira cristulata – type locality for species
  • †Glyptospira huecoensis
• †Glyptotomaria

• 

  †Gnathorhiza – or unidentified comparable form
  • †Gnathorhiza serrata
• †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

• †Haplistion
  • †Haplistion armstrongi
• †Hastimima – tentative report
• †Hedeia
• †Heslerodus
  • †Heslerodus divergens

• 

  †Hexagonaria
  • †Hexagonaria minuta
  • †Hexagonaria occidens
  • †Hexagonaria palmeri
• †Hostimella
  • †Hostimella hostimensis
• †Hustedia
• †Hyolithes

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

• †Janeia

• †Kaibabella – type locality for genus
  • †Kaibabella curvilenata – type locality for species
• †Kaibabvenator – type locality for genus
  • †Kaibabvenator swiftae – type locality for species
• †Kingopora
  • †Kingopora portalensis
• †Kinishbia – type locality for genus
  • †Kinishbia nodosa – type locality for species
• †Knorria
• †Knoxisporites
• †Kochina – tentative report
  • †Kochina angustata

• 

  †Kootenia
  • †Kootenia mckeei
• †Kutorginella
  • †Kutorginella meridionalis

• †Laevigatosporites
• †Lagarodus
  • †Lagarodus angustus
• †Leioproductus
  • †Leioproductus plicatus
• †Lepetopsis – or unidentified comparable form

• 

  †Lepidodendron
  • †Lepidodendron aculeatum
  • †Lepidodendron mannabachense
  • †Lepidodendron volkmannianum
• †Lepidostrobophyllum
• †Lepidostrobus
  • †Lepidostrobus ornatus – or unidentified comparable form
• †Leptalosia
• †Leptodesma
  • †Leptodesma carboniferum
  • †Leptodesma robustum
• †Levidentalium
• †Lingula

• 

  †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

• †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

• 

  †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

• †Nanoskalme – type locality for genus
  • †Nanoskalme natans – type locality for species

• 

  †Naticopsis
  • †Naticopsis apachensis – type locality for species
  • †Naticopsis kaibabensis – type locality for species
  • †Naticopsis permica – type locality for species
  • †Naticopsis waterlooensis
• †Neosaivodus – type locality for genus
  • †Neosaivodus flagstaffensis – type locality for species
• †Neospirifer – tentative report
  • †Neospirifer dunbari
• †Neuropteridium – tentative report

• 

  †Neuropteris
  • †Neuropteris heterophylla
  • †Neuropteris missouriensis
  • †Neuropteris scheuchzeri
• †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

• †Odontopteris
  • †Odontopteris schlotheimii
  • †Odontopteris schlotheimiii
• †Olenellus
• †Omphalotrochus
  • †Omphalotrochus cochisensis
  • †Omphalotrochus hessensis

• 

  †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

• †Pachyaspis
• †Pachyphyllum
  • †Pachyphyllum woodmani

• 

  †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
  • †Palmatolepis triangularis
• †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

• 

  †Pecopteris
  • †Pecopteris aspera – or unidentified comparable form
  • †Pecopteris cyathea
  • †Pecopteris lamuriana
• †Penascoceras
  • †Penascoceras bradyi – type locality for species
• †Peneckiella
• †Peniculauris
  • †Peniculauris bassi
  • †Peniculauris ivesi

• 

  †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

• 

  †Phlegethontia
  • †Phlegethontia phanerhapha – type locality for species
• †Phricodothyris
• †Physonemus
• †Pinna
• †Pityosporites
• †Plagioglypta
• †Planotectus – tentative report
• †Platyceras
• †Platyworthenia
  • †Platyworthenia delicata
• †Polidevcia
  • †Polidevcia obesa

• 

  †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

• †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

• †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

• 

  Serpula
  • †Serpula helicalis – type locality for species
• †Shansiella
  • †Shansiella beckwithana – or unidentified comparable form
• †Shark
  • †Shark teeth
• †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
  • †Sphenophyllum gilmorei – type locality for species
  • †Sphenophyllum oblongifolium
• †Sphenopteris
  • †Sphenopteris S. striata – or unidentified comparable form
  • †Sphenopteris striata
• †Spififer
  • †Spififer bifurcatus
• †Spinocyrtia

• 

  †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

• 

  †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

• 

  †Syringopora
• †Syringospira
  • †Syringospira prima

• †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

• 

  †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

• †Ullmannia
  • †Ullmannia frumentaria

• †Venustodus
  • †Venustodus leidyi
• †Verrucosisporites

• 

  †Vidria
  • †Vidria contendens – type locality for species
• †Voltzia
  • †Voltzia dentiloba – type locality for species

• †Waagenella
  • †Waagenella crassus
• †Waagenoconcha

• 

  †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

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

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