List of the Paleozoic life of Arizona

• †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 ==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 • †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==

• †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 ==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 • †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 ==F==

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

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

• †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 ==L==

• †Laevigatosporites • †Lagarodus • †Lagarodus angustus • †Leioproductus • †Leioproductus plicatus • †Lepetopsis – or unidentified comparable form • . Eli Heimans (1911). †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 ==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 • †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 • †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 ==O==

• †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 ==P==

• †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 ==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 • , or calcareous tubeworm 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 • 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 • †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 • †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 • †Vidria'' • †Vidria contendens – type locality for species • †Voltzia • †Voltzia dentiloba – type locality for species ==W==