List of the Paleozoic life of Colorado

• †Acanthatia • †Acanthatia nupera • †Acondylacanthus • †Acondylacanthus nuperus • †Actinoceras • †Adiantites • †Adiantites rockymontanus – type locality for species • †Aglaocrinus • †Aglaocrinus magnus • †Allumettoceras • †Amorphognathus • †Amorphognathus ramosa • †Amplexizaphrentis • †Amplexizaphrentis pamatus • †Amplexus • †Anthracoblattina • †Anthracoblattina triassica – type locality for species • †Anthracospirifer • †Anthracospirifer tanoensis • †Antiquatonia • †Antiquatonia coloradoensis • †Araucarites • †Archaeocidaris • †Archaeocidaris cratis • †Archaeocidaris ourayensis • †Archaeocidaris triplex • †Asterophyllites • †Asterophyllites charaeformis • †Asterophyllites longifolius – tentative report • †Astraspis'' – type locality for genus • †Astraspis desiderata – type locality for species • †Athyris • †Athyris coloradensis • †Athyris transversa • †Aviculopecten ==B==

• †Beloitoceras • †Beloitoceras accultum • †Blothrocrinus • †Bucanella • †Bythiacanthus ==C==

• †Calamites'' • †Calamites cistii • †Calamites cruciatus • †Calamites distachyus • †Calamites gigas • †Calamites kutorgae – tentative report • †Calapoecia • †Callipteris • †Callipteris lyratifolia – or unidentified comparable form • †Camarotoechia • †Caninia • †Catactocrinus – tentative report • †Catactocrinus torus • †Catenipora'' • †Catenipora robusta – or unidentified comparable form • †Ceraurinus • †Ceraurinus icarus • †Cercopyllis • †Cercopyllis adolescens – type locality for species • †Cercopyllis delicatula – type locality for species • †Cercopyllis justiciae – type locality for species • †Charactoceras – tentative report • †Chirognathus • †Chirognathus admiranda • †Chirognathus aequidentata • †Chirognathus alternata • †Chirognathus deformis • †Chirognathus delicatula • †Chirognathus dubia • †Chirognathus duodactyla • †Chirognathus duodactylus • †Chirognathus eucharis • †Chirognathus gradata • †Chirognathus idonea • †Chirognathus maniformis • †Chirognathus monodactyla • †Chirognathus multidens • †Chirognathus parallela • †Chirognathus plana • †Chirognathus tenuidentata • †Chirognathus unguliformis • †Chirognathus vulgaris • †Coelosporella • †Coleolus • †Composita'' • †Composita gibbosa • †Composita ovata • †Conocardium • †Cordaianthus • †Cordaicarpon • †Cordaites • †Cordaites angulosostriatus • †Cornulites • †Cranaena • †Cranaena subelliptica • †Crania • †Ctenacanthus • †Ctenacanthus buttersi • †Ctenacanthus furcicarinatus • †Ctenodonta • †Cupressocrinites • †Cutleria'' – type locality for genus • †Cutleria wilmarthi – type locality for species • †Cyclopteris • †Cyrtiopsis • †Cyrtiopsis animasensis • †Cyrtiopsis conicula • †Cyrtiopsis kindlei • †Cyrtodonta • †Cyrtogomphoceras • †Cyrtospirifer'' • †Cyrtospirifer animasensis • †Cyrtospirifer whitneyi ==D==

• †Dactylophyllum – type locality for genus • †Dactylophyllum johnsoni – type locality for species • †Desmoinesia • †Desmoinesia nambeensis • †Dicladoblatta • †Dicladoblatta marginata – type locality for species • †Dicromyocrinus • †Dicromyocrinus beldenensis • †Dictyoclostus • †Dictyorhabdus • †Dictyorhabdus priscus • †Diestoceras • †Diplothmema • †Diplothmema patentissima • †Distatoblatta • †Distatoblatta persistens – type locality for species ==E==

• †Echinosphaerites – tentative report • †Edestus'' • †Edestus minor • †Eireocrinus – tentative report • †Eireocrinus coloradoensis • †Endoceras • †Epheboblatta • †Epheboblatta attenuata – type locality for species • †Ephippiorthoceras • †Eretmocrinus • †Eretmocrinus sawdoi – type locality for species • †Eriptychius – type locality for genus • †Eriptychius americanus – type locality for species • †Erismodus • †Erismodus quadridactylus • †Eryops'' • †Eryops grandis – or unidentified comparable form • †Etoblattina • †Eumetria – tentative report • †Euomphalus • †Euomphalus eurekensis – or unidentified comparable form • †Eusphenopteris ==F==

• †Floweria • †Floweria chemungensis • †Floyda • †Floyda concentrica ==G==

• †Garwoodia • †Garwoodia media • †Gilmocrinus – tentative report • †Gilmocrinus albus • †Girvanella • †Girvanella nicholsoni • †Glossites • †Goleocrinus – tentative report • †Gomphostrobus • †Gomphostrobus bifidus ==H==

• †Halysites'' • †Halysites delicatulus – or unidentified comparable form • †Hebertella • †Hebertella sinuaia • †Helicelasma • †Helicelasma rusticum – or unidentified comparable form • †Helicotoma • †Hiscobeccus • †Hiscobeccus capax • †Hudsonaster • †Hypselocrinus – tentative report • †Hypselocrinus bisonensis ==I==

• †Isalaux – type locality for genus • †Isalaux canyonensis – type locality for species • †Isonema • †Isonema depressum • †Isonema humlis ==K==

• †Lambeoceras • †Laminatia – tentative report • †Laminatia laminata • †Lecrosia • †Lecrosia gouldii • †Leioproductus • †Leioproductus coloradensis • †Leioproductus coloradoensis • †Leioproductus varispinosus • †Leperditia • †Lepidocyclus • †Lepidocyclus rectangularis – or unidentified comparable form • †Lepidodendron • †Lepidodendron johnsonii – type locality for species • †Lepidophloios • †Lepidophloios laricinus • †Lepidophylloides • †Lepidostrobophyllum • †Lepidostrobus • †Lepidostrobus weberensis – type locality for species • †Leptaena • †Leptodesma • †Limnoscelis'' • †Limnoscelis dynatis – type locality for species • †Limnoscelops – type locality for genus • †Limnoscelops longifemur – type locality for species • †Lingula • †Lingula huronensis • †Linoproductus • †Linoproductus nodosus • †Liospira • †Lophospira • †Lophospira perangulata • †Loxonema ==M==

• †Macluritella • †Macluritella stantoni • †Macrostachya – tentative report • †Mariopteris • †Mariopteris pygmaea – or unidentified comparable form • †Meekospira • †Meristella • †Modiolopsis • †Mooreoceras • †Mytilarca ==N==

• †Nearoblatta • †Nearoblatta rotundata – type locality for species • †Neochonetes • †Neochonetes whitei – or unidentified comparable form • †Neorthroblattina • †Neorthroblattina albolineata – type locality for species • †Neospirifer'' • †Neospirifer goreii • †Neumatoceras • †Neuralethopteris • †Neuropteris • †Neuropteris auriculata • †Neuropteris dluhoschi • †Neuropteris gigantea – tentative report • †Neuropteris heterophylla ==O==

• †Odontopteris • †Odontopteris mccoyensis • †Odontopteris subcrenulata • †Ophiacodon'' • †Ophiopolytretus • †Ophiopolytretus aethus • †Oradectes • †Oradectes sanmiguelensis – type locality for species • †Ormoceras • †Ormoceras pollacki • †Orthoceras • †Orthodesma • †Orthonota • †Orthotetes • †Orthotetes inequalis • †Ortonella • †Ortonella kershopensis • †Oulodus • †Oulodus serratus ==P==

• †Pachystrophia • †Pachystrophia contiguus • †Paladin – tentative report • †Palaeoglossa • †Palaeoglossa hurlbuti • †Parachaetetes • †Parachaetetes glenwoodensis • †Paurorhyncha • †Paurorhyncha cooperi – or unidentified comparable form • †Paurorhyncha endlichi • †Pecopteris'' • †Pecopteris arborescens • †Pecopteris pinnatifida • †Pentaricida • †Pentaricida pentagonalis • †Pentaridica • †Pentaridica pentagonalis • †Petrablattina • †Petrablattina aequa – type locality for species • †Petrodus • †Petrodus patelliformis • †Phyloblatta • †Phyloblatta meieri – type locality for species • †Physonemus • †Plaesiomys • †Plaesiomys bellilamellosus • †Plaesiomys proavitus • †Planoproductus • †Planoproductus depressus • †Planoproductus hillsboroensis – or unidentified comparable form • †Planoproductus hillsbororensis – or unidentified comparable form • †Platyceras • †Platyhystrix'' • †Platyhystrix rugosus • †Pleiadeaster • †Pleiadeaster inceptus • †Poroblattina • †Poroblattina arcuata – type locality for species • †Poroblattina lakesii – type locality for species • †Poroblattina parvula – type locality for species • †Porostictia • †Porostictia perchaensis • †Probillingsites • †Probillingsites kessleri • †Productella • †Protocycloceras • †Protocycloceras manitouense • †Pseudochaetes • †Pseudochaetes similis • †Psygmophyllum • †Psygmophyllum cuneifolium – or unidentified comparable form • †Ptiloporella • †Ptychomalotoechia • †Ptychomalotoechia sobrina • †Pugnax • †Pugnoides • †Punctospirifer • †Punctospirifer solidirostris ==R==

• †Receptaculites'' • †Receptaculites articus – or unidentified comparable form • †Reticularia • †Rhabdocarpus • †Rhabdocarpus dyadicus • †Rhombopora • †Rhynchospirina • †Rhynchospirina scansa – or unidentified related form • †Rhynchotrema • †Rhynchotrema argenturbicum • †Robsonoceras • †Robsonoceras manitouense ==S==

• †Saffordophyllum • †Saffordophyllum franklini • †Samaropsis • †Samaropsis hesperius • †Sandia • †Sandia welleri • †Schizodus • †Schizodus acuminatus • †Schizophoria • †Schizophoria austalis • †Schizophoria australis • †Schuchertella • †Schuchertella coloradoensis • †Scolecopteris • †Scolecopteris elegans • †Seymouria'' • †Sigillaria • †Sigillaria elegans – or unidentified comparable form • †Sigillaria ovata • †Sigillariostrobus • †Sigillariostrobus hastatus • †Sphenophyllum • †Sphenophyllum obovatum • †Sphenopteris • †Sphenopteris asplenioides • †Sphenopteris cheathami • †Sphenopteris microcarpa – or unidentified comparable form • †Sphenopteris schimperiana – tentative report • †Spiloblattina • †Spiloblattina weissigensis – type locality for species • †Spiloblattinidae • †Spiloblattinidae gardinerana – type locality for species • †Spirifer'' • †Spirifer centronatus • Spirorbis • †Spyroceras • †Stereoconus • †Stereoconus gracilis • †Stigmaria • †Stigmaria ficoides • †Stigmaria verrucosa • †Straparollus • †Straparollus clymenioides – or unidentified comparable form • †Streblopteria • †Strepsodiscus – type locality for genus • †Strepsodiscus major – type locality for species • †Streptelasma • †Strimplecrinus • †Strimplecrinus dyerensis • †Strophomena'' • †Strophopleura • †Strophopleura notabilis • †Synarmocrinus • †Synarmocrinus cobbani • †Syringodendron • †Syringopora • †Syringopora surcularia • †Syringospira • †Syringospira prima ==T==

• †Tarassocrinus • †Tarassocrinus synchlydus • †Tarthinia • (right) †Taxocrinus'' • †Toernquistia • †Trichopitys • †Trichopitys whitei • †Trochonema • †Trochonema umbilicata ==U==

• †Ullmannia • †Ulocrinus • †Ulocrinus rockymontanus ==V==

• †Vanuxemia • †Vanuxemia rotundata • †Vaughnictis • †Vaughnictis smithae – type locality for species ==W==

• †Walchia'' • †Walchia hypnoides • †Walchia imbricata – or unidentified comparable form • †Walchia piniformis • †Walchia stricta • †Walchiastrobus • †Westonoceras • †Wewokella • †Wewokella solida • †Wilbernicyathus • †Wilbernicyathus donegani ==Z==