List of the Paleozoic life of Missouri

This list of the Paleozoic life of Missouri contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Missouri and are between 541 and 252.17 million years of age.

A
  • †Abludoglyptocrinus
  • †Acambona
    • †Acambona prima
  • †Acanthocrania
    • †Acanthocrania spiculata
  • †Acanthoparypha
    • †Acanthoparypha subcircularis
  • †Acanthospirina
    • †Acanthospirina aciculifera
  • †Achatella
    • †Achatella katharina
  • †Achistrum
    • †Achistrum coloculum
    • †Achistrum gamma
    • †Achistrum monochordata
  • †Acidiphorus – tentative report
  • †Acolocrinus
  • †Acutimitoceras – tentative report
  • †Aganides
    • †Aganides compressus
  • Fossilized fronds of the Carboniferous-Early Cretaceous seed fern Alethopteris
    †Alethopteris
    • †Alethopteris davreuxi
    • †Alethopteris decurrens
    • †Alethopteris grandini
    • †Alethopteris serli
    • †Alethopteris serlii
    • †Alethopteris valida
  • †Allagecrinus
    • †Allagecrinus americanus
    • †Allagecrinus rowleyi – type locality for species
  • †Allanella
    • †Allanella annae
  • †Allorhynchus – tentative report
    • †Allorhynchus curriei
    • †Allorhynchus currieri
    • †Allorhynchus louisianensis
  • †Amaurotoma
    • †Amaurotoma subsinuata
  • †Amblymylacris
    • †Amblymylacris clintoniana – type locality for species
    • †Amblymylacris harei – type locality for species
  • †Ambocoelia
    • †Ambocoelia louisianensis – type locality for species
    • †Ambocoelia minuta
  • †Ameropiltonia – type locality for genus
    • †Ameropiltonia lauradanae – type locality for species
  • †Amphilichas
    • †Amphilichas antiquarius
    • †Amphilichas aspratilis
    • †Amphilichas cucullus
    • †Amphilichas subdisjunctus
  • †Amphipsalidocrinus
  • †Amphiscapha
    • †Amphiscapha catilloides
    • †Amphiscapha reedsi – type locality for species
    • †Amphiscapha subrugosa
  • †Ananias
    • †Ananias nodocostatus – type locality for species
    • †Ananias welleri – tentative report
  • †Anapiculatisporites
    • †Anapiculatisporites grundensis
  • †Anarkemina
    • †Anarkemina winsdoriensis – type locality for species
  • †Anazyga
    • †Anazyga recurvirostra
  • †Anchicrinus
  • †Anematina
    • †Anematina minutissimus – type locality for species
  • Fossil of the Carboniferous horsetail relative Annularia
    †Annularia
    • †Annularia acicularis
    • †Annularia galioides
    • †Annularia sphenophylloides
    • †Annularia stellata
  • †Annuliconcha
    • †Annuliconcha interlineata
  • †Anomphalus
    • †Anomphalus umbilicatus – type locality for species
  • †Anthracoceras
    • †Anthracoceras missouriense – type locality for species
  • †Anthraconeilo – tentative report
    • †Anthraconeilo taffiana
  • †Anthracospirifer
    • †Anthracospirifer occiduus
  • †Antiquatonia
    • †Antiquatonia coloradoensis
    • †Antiquatonia portlockianus
  • Restoration of the Late Ordovician nautiloid cephalopod Aphetoceras being preyed upon by a Cameroceras
    †Aphetoceras
    • †Aphetoceras subcostulatum
  • †Aphlebia
  • †Apiculatasporites
    • †Apiculatasporites latigranifer
    • †Apiculatasporites setulosus
    • †Apiculatasporites variusetosus
  • †Araeonema – type locality for genus
    • †Araeonema virgatum – type locality for species
  • †Archaeocrinus
  • †Archeoconus – type locality for genus
    • †Archeoconus missourensis – type locality for species
  • †Archeognathus – type locality for genus
    • †Archeognathus carinatus – type locality for species
    • †Archeognathus primus – type locality for species
  • †Archinacella
    • †Archinacella patelliformis
  • †Artisia
    • †Artisia transversa
  • †Asolanus
    • †Asolanus camptotaenia
  • †Aspidiaria
  • †Astartella
    • †Astartella compacta
    • †Astartella concentrica
  • †Asterophyllites
    • †Asterophyllites equisetiformis
  • †Asterotheca
  • †Astraeospongium
  • †Astrocystites
  • †Athyris
    • †Athyris bradyensis – or unidentified comparable form
    • †Athyris cora
    • †Athyris fultonensis
    • †Athyris hannibalensis
    • †Athyris lamellosa
    • †Athyris vittata
  • †Atribonium
    • †Atribonium gregari
    • †Atribonium swallovi
  • †Atrypina
    • †Atrypina saffordi – or unidentified comparable form
  • †Aulochiton – type locality for genus
    • †Aulochiton sannerae – type locality for species
  • †Avaoceras
    • †Avaoceras elongatum
    • †Avaoceras longidomum
    • †Avaoceras magnisiphonatum
  • Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten
    †Aviculopecten
    • †Aviculopecten gradicosta
    • †Aviculopecten marbuti
  • †Avonia
    • †Avonia linospinosa
  • †Axiodeaneia
    • †Axiodeaneia glenparkensis

B
  • †Bactrites
  • †Bathyurus
    • †Bathyurus missouriensis – type locality for species
    • †Bathyurus spiniger
  • †Beecheria
    • †Beecheria burlingtonensis
    • †Beecheria paraplicata
  • Fossilized shell of the Silurian-Early Triassic mollusc Bellerophon
    †Bellerophon
    • †Bellerophon blairi – type locality for species
    • †Bellerophon graphicus
    • †Bellerophon jeffersonensis – type locality for species
    • †Bellerophon planodorsatum – type locality for species
    • †Bellerophon sedaliensis – type locality for species
    • †Bellerophon ulrichi – type locality for species
  • †Belodina
    • †Belodina compressa
  • †Bembexia
    • †Bembexia minima
  • †Besselodus
    • †Besselodus variabilis
  • †Beyrichoceras
    • †Beyrichoceras hornerae – type locality for species
  • †Biloboconus – type locality for genus
    • †Biloboconus frizzelli – type locality for species
  • †Biparetis – type locality for genus
    • †Biparetis paucirugosus – type locality for species
  • †Bipulvina – type locality for genus
    • †Bipulvina croftsae – type locality for species
  • †Bisatoceras
    • †Bisatoceras greenei – type locality for species
  • †Blattinopsis – type locality for genus
    • †Blattinopsis laqueata – type locality for species
  • †Blountia
  • †Bolbocephalus
    • †Bolbocephalus sainteclairi – or unidentified related form
    • †Bolbocephalus stclairi – or unidentified related form
  • †Botryocrinus
  • †Bouskacrinus
    • †Bouskacrinus laudoni
  • †Brachymetopus
    • †Brachymetopus spinosiformis – type locality for species
  • †Brachythyris
    • †Brachythyris chouteauensis
  • †Brevilamnulella
    • †Brevilamnulella thebesensis
  • †Breviphillipsia
    • †Breviphillipsia sampsoni
    • †Breviphillipsia semiteretis
    • †Breviphillipsia swallowi
  • †Bridgeites
    • †Bridgeites planidorsalis – type locality for species
    • †Bridgeites supraconvexa – type locality for species
  • †Brittsia
    • †Brittsia problematica
  • †Bryantodus
    • †Bryantodus cameratus – type locality for species
    • †Bryantodus delicatus – type locality for species
    • †Bryantodus rugosus – type locality for species
    • †Bryantodus strigatus – type locality for species
    • †Bryantodus strigillatus – type locality for species
  • †Bucania
    • †Bucania batchtownensis
    • †Bucania halli
  • †Bumastoides
    • †Bumastoides billingsi
  • Life restoration of the Early Ordovician-Silurian trilobite Bumastus
    †Bumastus
    • †Bumastus rowleyi
    • †Bumastus trentonensis
  • †Burnetiella
    • †Burnetiella alta
    • †Burnetiella exilis
  • †Buttsia
    • †Buttsia drabensis
  • †Bynumina
    • †Bynumina caelata
    • †Bynumina lirae – type locality for species

C
  • †Cadiospora
    • †Cadiospora magna
  • †Caenanoplia
    • †Caenanoplia burlingtonensis
    • †Caenanoplia logani – or unidentified related form
  • Fossilized stems from the Carboniferous-Permian horsetail relative Calamites
    †Calamites
    • †Calamites carinatus
    • †Calamites cistii
    • †Calamites cruciatus
    • †Calamites ramosus artis
    • †Calamites suckowii
  • †Calamospora
    • †Calamospora breviradiata
    • †Calamospora hartungiana
    • †Calamospora straminea
  • †Calamostachys
    • †Calamostachys paniculata
    • †Calamostachys tuberculata
  • †Callispira
    • †Callispira quinquecostata – or unidentified comparable form
  • †Calocephalites
    • †Calocephalites minimus – type locality for species
    • †Calocephalites vularis – type locality for species
    • †Calocephalites vulgaris – type locality for species
  • †Calvinella
    • †Calvinella ozarkensis
    • †Calvinella type locality for species – informal
  • †Calyptaulax
    • †Calyptaulax callicephala
  • †Camaraspis
    • †Camaraspis convexa
  • †Camarophorella
    • †Camarophorella buckleyi
  • †Camarotoechia
    • †Camarotoechia depressa
    • †Camarotoechia dotis
    • †Camarotoechia elegantula
    • †Camarotoechia gregeri
    • †Camarotoechia horsfordi
    • †Camarotoechia tuta
  • †Cambrioconus – type locality for genus
    • †Cambrioconus expansus – type locality for species
  • †Campbelloceras
    • †Campbelloceras overmani – type locality for species
  • †Carabocrinus
  • †Cardiocarpus
    • †Cardiocarpus crassus
    • †Cardiocarpus latealatum
    • †Cardiocarpus ovalis
  • †Cardiomorpha
    • †Cardiomorpha missouriensis
  • †Cardiothyris
    • †Cardiothyris pristina
  • †Carinaropsis
    • †Carinaropsis cymbula
    • †Carinaropsis minima
  • †Caryocrinites
  • †Cataschisma – type locality for genus
    • †Cataschisma latiangularis – type locality for species
    • †Cataschisma typa – type locality for species
  • Fossilized elements of the Carboniferous conodont Cavusgnathus
    †Cavusgnathus
    • †Cavusgnathus gigantus – type locality for species
    • †Cavusgnathus lautus – type locality for species
    • †Cavusgnathus missouriensis – type locality for species
  • †Centronelloidea
    • †Centronelloidea rowleyi
  • †Ceratoleperditia
    • †Ceratoleperditia type locality for species – informal
  • †Ceratopea
    • †Ceratopea buttsi
    • †Ceratopea depressa
    • †Ceratopea grandis
    • †Ceratopea hami
    • †Ceratopea inflata – type locality for species
    • †Ceratopea sculpta – type locality for species
    • †Ceratopea unguis
    • †Ceratopea wisei – type locality for species
  • †Ceraunocochlis – type locality for genus
    • †Ceraunocochlis blatta – type locality for species
    • †Ceraunocochlis fulminula – type locality for species
  • Fossil of the Middle-Late Ordovician trilobite Ceraurus
    †Ceraurus
    • †Ceraurus globulobatus
    • †Ceraurus pleurexanthemus
  • †Chaenomya – tentative report
    • †Chaenomya leavenworthensis
  • †Cheilocephalus
  • †Chelodes
    • †Chelodes cooperi
    • †Chelodes depressus
  • †Chonetella
    • †Chonetella flemingi
  • †Chonetes
    • †Chonetes decipiens
    • †Chonetes euampygus
    • †Chonetes geniculatus
    • †Chonetes lioderma
    • †Chonetes mesoloba
    • †Chonetes ornatus
  • †Chonetinella
    • †Chonetinella flemingi
  • †Cirratriradites
    • †Cirratriradites annuliformis
  • †Clarkoceras
  • †Clathrospira
    • †Clathrospira subconica
    • †Clathrospira virguncula – type locality for species
  • †Clavallus
    • †Clavallus spicaudina
  • Fossilized shell of the Middle Devonian-Permian brachiopod Cleiothyridina
    †Cleiothyridina
    • †Cleiothyridina incrassata
    • †Cleiothyridina obmaxima
    • †Cleiothyridina orbicularis
    • †Cleiothyridina tenuilineata
  • †Cleiothyris
  • †Cliffia
    • †Cliffia lataeganae
    • †Cliffia lataegenae
    • †Cliffia wilsoni
  • †Cliftonia
    • †Cliftonia tubulistriata
  • †Clinopistha
    • †Clinopistha radiata
  • †Clycopteris
  • †Coenocystis
    • †Coenocystis moreyi – type locality for species
  • †Coledium
    • †Coledium bisinuata
  • †Colpites
    • †Colpites minutus
    • †Colpites monilifera
  • †Comanchia
    • †Comanchia amplooculata
  • Fossilized shell of the Late Devonian-Permian brachiopod Composita
    †Composita
    • †Composita elongata
    • †Composita ovata
    • †Composita pikensis – type locality for species
    • †Composita subtilita
    • †Composita tetralobata
  • †Conaspis
    • †Conaspis perseus – or unidentified comparable form
  • †Condrathyris
    • †Condrathyris perplexa
  • †Conocardium
    • †Conocardium formosum – type locality for species
    • †Conocardium spinalatum – type locality for species
  • †Conodia – type locality for genus
    • †Conodia acuminata – type locality for species
    • †Conodia levicosta – type locality for species
  • †Conopoterium
    • †Conopoterium effusum
  • †Conularia
    • †Conularia marionensis
    • †Conularia trentonensis
  • †Convolutispora
  • †Cooleyella
    • †Cooleyella cuspidata – type locality for species
    • †Cooleyella peculiaris – type locality for species
    • †Cooleyella quadrilobata – type locality for species
    • †Cooleyella spatulata – type locality for species
  • †Coolinia
    • †Coolinia convexa
  • †Cooperella – type locality for genus
    • †Cooperella eroda – type locality for species
    • †Cooperella rectistriata – type locality for species
    • †Cooperella selluliformis – type locality for species
    • †Cooperella striatula – type locality for species
    • †Cooperella subsulcata – type locality for species
    • †Cooperella typicalis – type locality for species
  • †Cordaianthus
  • †Cordaicarpus
    • †Cordaicarpus lineatus
  • †Cordaites
    • †Cordaites communis
    • †Cordaites costatus – or unidentified comparable form
    • †Cordaites crassinervis
    • †Cordaites principalis
  • †Cordylocrinus – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Cordylocrinus dubius
  • †Cornuella – type locality for genus
    • †Cornuella parva – type locality for species
  • Fossil of the Middle Ordovician-Carboniferous horn coral Cornulites
    †Cornulites
    • †Cornulites carbonarius
  • †Cranaena
    • †Cranaena calvini
    • †Cranaena decepta
    • †Cranaena elia
    • †Cranaena globosa
    • †Cranaena hannibalensis – or unidentified related form
    • †Cranaena iowensis – or unidentified comparable form
    • †Cranaena littletonenesis
    • †Cranaena romingeri
    • †Cranaena subglobosa
    • †Cranaena subovata
  • †Crania
    • †Crania dodgei
    • †Crania rowleyi
  • †Crassispora
    • †Crassispora kosankei
  • †Cremacrinus
  • †Crepipora
    • †Crepipora globulifera – type locality for species
  • †Crurithyris
    • †Crurithyris laevicula
    • †Crurithyris planoconvexa
  • †Cryptothyrella
    • †Cryptothyrella ovoides
  • †Ctenodonta
    • †Ctenodonta auburnensis – type locality for species
    • †Ctenodonta concinna
    • †Ctenodonta costata – type locality for species
    • †Ctenodonta medialis
    • †Ctenodonta nasuta
    • †Ctenodonta oviformis
  • †Cupularostrum
    • †Cupularostrum annae
    • †Cupularostrum contracta
    • †Cupularostrum gregeri
    • †Cupularostrum omaliusi
  • †Curtognathus
  • †Cyathocystis
  • †Cyclogranisporites
    • †Cyclogranisporites aureus
    • †Cyclogranisporites microgranus
    • †Cyclogranisporites minutus
    • †Cyclogranisporites obliquus
    • †Cyclogranisporites orbicularis
  • †Cyclonema
    • †Cyclonema fasciata
    • †Cyclonema intermedium – type locality for species
    • †Cyclonema textilis
  • †Cycloplectoceras
    • †Cycloplectoceras funatum
  • Fossilized foliage from the Carboniferous seed fern Cyclopteris
    †Cyclopteris
    • †Cyclopteris fimbriata
    • †Cyclopteris trichomanoides
  • †Cyclozyga – type locality for genus
    • †Cyclozyga carinata – type locality for species
    • †Cyclozyga mirabilis – type locality for species
  • †Cymatonota – tentative report
  • †Cymatospira
    • †Cymatospira montfortianus
  • †Cyphaspis
    • †Cyphaspis globosus
  • †Cypricardella
    • †Cypricardella bellistriata
    • †Cypricardella gregaria
  • †Cyrtina
    • †Cyrtina acutirostris
    • †Cyrtina burlingtonensis
    • †Cyrtina triquetra
    • †Cyrtina umbonata
  • †Cyrtinia
    • †Cyrtinia acutirostris
  • Restoration of the Cambrian-Middle Devonian nautiloid cephalopod Cyrtoceras
    †Cyrtoceras
  • †Cyrtocerina
    • †Cyrtocerina foerstei – type locality for species
    • †Cyrtocerina kimmswickense – type locality for species
  • †Cyrtodonta
    • †Cyrtodonta blllingsi
    • †Cyrtodonta huronensis
    • †Cyrtodonta sulcata
  • †Cyrtolites
    • †Cyrtolites retrorsus
  • †Cyrtostropha
    • †Cyrtostropha salteri – type locality for species

D
  • †Dalejina
  • †Dalmanella
    • †Dalmanella edgewoodensis
    • †Dalmanella testudinaria
  • Fossil of the Late Ordovician-Middle Devonian trilobite Dalmanites
    †Dalmanites
  • †Deadwoodia
    • †Deadwoodia panope
  • †Deckera
    • †Deckera aldenensis – or unidentified comparable form
    • †Deckera aldeuensis – or unidentified comparable form
  • †Della
    • †Della suada
  • †Dellea
    • †Dellea saratogensis
    • †Dellea snada
    • †Dellea suada
  • †Delthyris
    • †Delthyris clarksvillensis
  • †Deltoidospora
    • †Deltoidospora grandis
    • †Deltoidospora levis
    • †Deltoidospora priddyi
    • †Deltoidospora subadnatoides
  • †Densosporites
    • †Densosporites triangularis
  • †Derbyia
    • †Derbyia crassa
  • †Desmacriocrinus – tentative report
  • †Desmoinesia
    • †Desmoinesia muricatina
    • †Desmoinesia nana
  • †Desquamatia
    • †Desquamatia independensis
  • †Diaphoroceras
    • †Diaphoroceras avaense
    • †Diaphoroceras buffaloense
  • †Diceromyonia – tentative report
    • †Diceromyonia sera
  • †Dichostreblocrinus
    • †Dichostreblocrinus minutus – type locality for species
  • †Dicoelosia
    • †Dicoelosia oklahomensis – or unidentified comparable form
  • †Dictyoclostus
    • †Dictyoclostus gallatinensis
    • †Dictyoclostus hermosanus
  • †Dictyonella
    • †Dictyonella gibbosa
  • †Dictyopteris
    • †Dictyopteris squarrosa
  • †Dielasma
    • †Dielasma bovidens
  • †Dielasmella
    • †Dielasmella compressa
  • †Dimeropyge
    • †Dimeropyge tumidus
  • †Dimorphoceras
    • †Dimorphoceras politum
  • Illustration of the jaws of Dinichthys
    †Dinichthys
  • †Diparelasma
    • †Diparelasma extensum – or unidentified comparable form
    • †Diparelasma type locality for species – informal
  • †Diplododella
  • †Diplothmema
    • †Diplothmema furcatum
    • †Diplothmema geniculatum
    • †Diplothmema obtusiloba
  • †Dokimocephalus
  • †Dolerorthis
    • †Dolerorthis savagei
  • †Dolichoharpes
    • †Dolichoharpes uniserialis
  • †Domatoceras
  • †Donaldiella
    • †Donaldiella cicelia
  • †Donaldina
    • †Donaldina robusta
    • †Donaldina stevensana
  • Fossilized leaves of the Carboniferous-Permian gymnosperm Dorycordaites
    †Dorycordaites
    • †Dorycordaites palmaeformis
  • †Dorycrinus
    • †Dorycrinus gouldi
    • †Dorycrinus mississippiensis
  • †Drabia
    • †Drabia acroccipita
    • †Drabia curtoccipita
  • †Drepanoistodus
    • †Drepanoistodus suberectus

E
  • †Earlandia
  • †Echinopustulus – type locality for genus
    • †Echinopustulus samuelnelsoni – type locality for species
  • Fossil of the Early-Middle Ordovician cystoid echinoderm Echinosphaerites
    †Echinosphaerites
    • †Echinosphaerites aurantium
  • †Ectogrammysia
    • †Ectogrammysia hannibalensis
  • †Ectomaria
    • †Ectomaria adventa
  • †Edithiella
    • †Edithiella missouriensis – type locality for species
  • †Edmondia
    • †Edmondia aspinwallensis
    • †Edmondia ovata
  • †Elita
    • †Elita subundifera
  • †Ellesmeroceras
    • †Ellesmeroceras higdonense
  • †Elliptophillipsia
    • †Elliptophillipsia ellipticus
    • †Elliptophillipsia rotundus – type locality for species
  • †Elvinia
    • †Elvinia roemeri
  • †Elyaspis
    • †Elyaspis missouriensis – type locality for species
  • †Emphereaster
    • †Emphereaster missouriensis
  • †Endocycloceras
    • †Endocycloceras subcurvatum
  • †Endosporites
    • †Endosporites globiformis
  • †Eobronteus
    • †Eobronteus slocomi
  • Eocaudina
    • †Eocaudina mccormacki
    • †Eocaudina subhexagona
  • †Eochonetes
    • †Eochonetes johnsonella – type locality for species
  • †Eohalysiocrinus
  • †Eoleperditia – tentative report
  • †Eolissochonetes
    • †Eolissochonetes bilobatus
    • †Eolissochonetes laevis
  • †Eomonorachus
    • †Eomonorachus intermedius
  • †Eoprodromites
    • †Eoprodromites kinderhooki
  • †Eopteria
    • †Eopteria richardsoni
  • †Eoptychia – tentative report
    • †Eoptychia intermittens
  • †Eoschizodus – tentative report
    • †Eoschizodus chemungensis
  • †Eospirifer
  • †Eospirigerina
    • †Eospirigerina putilla
  • †Eosyringothyris
    • †Eosyringothyris aspera
    • †Eosyringothyris occidentalis
    • †Eosyringothyris triangularis
  • †Eotomaria
    • †Eotomaria dryope
  • †Eperisocrinus
    • †Eperisocrinus missouriensis
  • †Eremopteris
    • †Eremopteris bilobata
  • †Escharopora
    • †Escharopora patens
  • †Euchondria – tentative report
    • †Euchondria pellucida
  • †Euconia
    • †Euconia conicus
    • †Euconia umbilicata
  • †Eumetria
    • †Eumetria perstrialis
  • †Eunema
    • †Eunema concinnula
  • Fossilized shell of the Silurian-Permian sea snail Euomphalus
    †Euomphalus
    • †Euomphalus missouriensis – type locality for species
    • †Euomphalus pernodosus – tentative report
    • †Euomphalus umbilicatus
  • †Euphemites
    • †Euphemites carbonarius
    • †Euphemites nodocarinatus
  • †Euprioniodina
  • †Eurystomites
    • †Eurystomites avensis

F
  • Life restoration of the Permian Chimaera relative Fadenia
    †Fadenia
    • †Fadenia gigas – type locality for species
  • †Fandasterias
  • †Fasciculiconcha
    • †Fasciculiconcha knighti – tentative report
  • †Favosites
  • †Fenestrellina
  • †Finkelnburgia
    • †Finkelnburgia missouriensis
  • †Fistulipora
    • †Fistulipora zonata
  • Front (left) and right side (right) views of an enrolled fossil of the Middle Ordovician-Silurian trilobite Flexicalymene
    †Flexicalymene
    • †Flexicalymene senaria
  • †Florinites
    • †Florinites mediapudens
    • †Florinites visendus
    • †Florinites volans
  • †Fortscottella
    • †Fortscottella gemmicula – type locality for species
  • †Fusispira
    • †Fusispira obesus

G
  • †Gacina
    • †Gacina emaciata
  • †Gamizyga
    • †Gamizyga corpulentissima – type locality for species
    • †Gamizyga expansa – type locality for species
    • †Gamizyga nitida – type locality for species
  • †Gasconadeoconus
    • †Gasconadeoconus ponderosa – type locality for species
    • †Gasconadeoconus waynesvillensis – type locality for species
  • †Gasconadia
    • †Gasconadia putilla
  • †Gayneoconus – type locality for genus
    • †Gayneoconus echolsi – type locality for species
  • †Geniculifera
    • †Geniculifera pustulifera
  • Fossilized shell of the Carboniferous-Eocene bivalve Gervillia
    †Gervillia
    • †Gervillia longa
  • †Girtycoelia
  • †Girtyspira
    • †Girtyspira minuta
  • †Glabrocingulum
    • †Glabrocingulum grayvillense
  • †Glaphyrites
    • †Glaphyrites moorei – type locality for species
    • †Glaphyrites welleri
  • †Globacrocrinus
    • †Globacrocrinus centronodus – type locality for species
  • †Globodoma
    • †Globodoma spironema
  • †Glossina
    • †Glossina lineolata
  • †Glyptocystella
  • †Glyptorthis
    • †Glyptorthis alta – type locality for species
  • †Gnathodus
    • †Gnathodus typicus
  • †Gondolella
    • †Gondolella lingulata – type locality for species
    • †Gondolella merrilli – type locality for species
    • †Gondolella sinuata – type locality for species
    • †Gondolella sublanceolata – type locality for species
  • †Goniasma
    • †Goniasma lasallense
  • †Goniocyclus
    • †Goniocyclus hannibalensis – type locality for species
  • †Gonioloboceratoides
    • †Gonioloboceratoides eliasi – type locality for species
  • †Goniophora
    • †Goniophora carinata
  • †Gosseletina
    • †Gosseletina persimplex
    • †Gosseletina pratteni – tentative report
  • †Grammysia
    • †Grammysia elliptica
  • †Granulatisporites
    • †Granulatisporites adnatoides
    • †Granulatisporites minutus
    • †Granulatisporites pallidus
  • †Griffithidella
  • †Grypocrinus
  • †Gryptochiton – tentative report
    • †Gryptochiton anomalus
  • †Gunnellodus – type locality for genus
    • †Gunnellodus bellistriatus – type locality for species
  • †Gypidula
    • †Gypidula marionensis
    • †Gypidula mineolaensis

H
  • †Hadrorhynchia
    • †Hadrorhynchia solon
  • †Hagnocrinus
    • †Hagnocrinus bainbridgensis – type locality for species
    • †Hagnocrinus balli – type locality for species
  • Fossil of the Ordovician-Silurian tabulate coral Halysites
    †Halysites
  • †Hamburgia
    • †Hamburgia typa
  • †Helcionopsis
  • †Helicotoma
    • †Helicotoma missouriensis – type locality for species
    • †Helicotoma planulata
    • †Helicotoma tennesseensis
  • †Helminthozyga – type locality for genus
    • †Helminthozyga vermiculus – type locality for species
  • †Hemiarges
    • †Hemiarges bartoni
    • †Hemiarges leviculus
  • †Hemimylacris
    • †Hemimylacris clintoniana – type locality for species
  • †Hemithecella – type locality for genus
    • †Hemithecella abrupta
    • †Hemithecella eminensis – type locality for species
    • †Hemithecella expansa
    • †Hemithecella quinquelites – type locality for species
  • †Hemizgya
    • †Hemizgya filicosta – type locality for species
  • †Hemizyga
    • †Hemizyga corbis – type locality for species
    • †Hemizyga elegans
    • †Hemizyga illineata – type locality for species
    • †Hemizyga inflata – type locality for species
  • †Hesperorthis
    • †Hesperorthis tricenaria
  • †Heteralosia
    • †Heteralosia beecheri
  • †Hibbardella
  • †Hindia
    • †Hindia parva – tentative report
  • †Hirnantia
    • †Hirnantia noixella – type locality for species
  • †Hirneacrinus
  • †Hiscobeccus – tentative report
    • †Hiscobeccus capax
  • †Holcospermum
  • †Holia – type locality for genus
    • †Holia magnaspina – type locality for species
  • †Holmesella
    • †Holmesella elongata – type locality for species
    • †Holmesella equilaterata – type locality for species
    • †Holmesella ornata – type locality for species
    • †Holmesella parallelata – type locality for species
    • †Holmesella parallella – type locality for species
    • †Holmesella rhomboidelis – type locality for species
    • †Holmesella speni – type locality for species
  • Fossilized shells of the Ordovician-Carboniferous sea snail Holopea
    †Holopea
    • †Holopea insignis
    • †Holopea missouriensis – type locality for species
  • †Homocrinus
  • †Homoeospira
    • †Homoeospira fiscellostriata
  • †Homotelus
    • †Homotelus laeviurus
  • †Hormotoma
    • †Hormotoma anna
    • †Hormotoma artemesia
    • †Hormotoma confusa
    • †Hormotoma cotterensis – type locality for species
    • †Hormotoma dubia
    • †Hormotoma gracilis
    • †Hormotoma lutiensis – type locality for species
  • †Housia
    • †Housia ovata
  • †Hustedia
    • †Hustedia mormoni
    • †Hustedia pygmaea
  • †Hybocrinus
    • †Hybocrinus conicus
  • Fossilized shells of the Cambrian-Permian brachiopod relative Hyolitha
    †Hyolithes
    • †Hyolithes multicinctus
  • †Hypeloconus
    • †Hypeloconus recurvus
  • †Hyphantozyga
    • †Hyphantozyga gracilis – type locality for species
  • †Hypseloconus
    • †Hypseloconus bessemerense
    • †Hypseloconus bonneterrense – type locality for species
    • †Hypseloconus compressus
    • †Hypseloconus ozarkensis
    • †Hypseloconus recurvus
    • †Hypseloconus type locality for species – informal
  • †Hystriculina
  • †Hystricurus
    • †Hystricurus deflectus – type locality for species
    • †Hystricurus elevatus

I
  • †Ianthinopsis
    • †Ianthinopsis medialis
  • †Iddingsia
    • †Iddingsia missouriensis
  • †Idiognathodus
    • †Idiognathodus biconvexus – type locality for species
    • †Idiognathodus biliratus – type locality for species
    • †Idiognathodus binodosus – type locality for species
    • †Idiognathodus cancellosus – type locality for species
    • †Idiognathodus cariniferus – type locality for species
    • †Idiognathodus cherryvalensis – type locality for species
    • †Idiognathodus chiriformis – type locality for species
    • †Idiognathodus cicatricosus – type locality for species
    • †Idiognathodus clavatus – type locality for species
    • †Idiognathodus confragus – type locality for species
    • †Idiognathodus corrugatus – type locality for species
    • †Idiognathodus cuneiformis – type locality for species
    • †Idiognathodus erodus – type locality for species
    • †Idiognathodus farrelli – type locality for species
    • †Idiognathodus folium – type locality for species
    • †Idiognathodus fusiformis – type locality for species
    • †Idiognathodus fusiformus – type locality for species
    • †Idiognathodus gemmiformis – type locality for species
    • †Idiognathodus harkeyi – type locality for species
    • †Idiognathodus jugosus – type locality for species
    • †Idiognathodus kansensis – type locality for species
    • †Idiognathodus lanceolatus – type locality for species
    • †Idiognathodus liratus – type locality for species
    • †Idiognathodus lobatus – type locality for species
    • †Idiognathodus megistus – type locality for species
    • †Idiognathodus modulatus – type locality for species
    • †Idiognathodus multinodosus – type locality for species
    • †Idiognathodus nodostriatus – type locality for species
    • †Idiognathodus porcatus – type locality for species
    • †Idiognathodus rotundus – type locality for species
    • †Idiognathodus rugulatus – type locality for species
    • †Idiognathodus ruidus – type locality for species
    • †Idiognathodus semipapulatus – type locality for species
    • †Idiognathodus siculus – type locality for species
    • †Idiognathodus simplex – type locality for species
    • †Idiognathodus spathodus – type locality for species
    • †Idiognathodus strigillatus – type locality for species
    • †Idiognathodus sulciferus – type locality for species
    • †Idiognathodus symmetricus – type locality for species
    • †Idiognathodus vadosus – type locality for species
    • †Idiognathodus walteri – type locality for species
    • †Idiognathodus warei – type locality for species
    • †Idiognathodus wintersentensis – type locality for species
    • †Idiognathodus wintersetensis
  • †Idioprioniodus – type locality for genus
    • †Idioprioniodus camurus – type locality for species
    • †Idioprioniodus fumishi
    • †Idioprioniodus striatus – type locality for species
    • †Idioprioniodus typus – type locality for species
  • †Implicaticystis
    • †Implicaticystis shumardi
    • †Implicaticystis symmetricus
  • †Irondalia – type locality for genus
    • †Irondalia irondalensis – type locality for species
  • †Irvingella
    • †Irvingella flohri
    • †Irvingella major
  • †Ischyrodonta
    • †Ischyrodonta dakei – type locality for species
  • †Isochilina
    • †Isochilina variana – type locality for species
  • †Isorthis
  • †Isorthoceras
    • †Isorthoceras sociale
  • Fossil of the Middle-Late Ordovician giant trilobite Isotelus.
    †Isotelus
    • †Isotelus bradleyi – tentative report
    • †Isotelus gigas
    • †Isotelus iowensis
    • †Isotelus kimmswickensis
    • †Isotelus maximus

J
  • †Jedria
    • †Jedria meeki – type locality for species
    • †Jedria ventrica
  • †Jeffersonia
    • †Jeffersonia bridgei – type locality for species

K
  • †Kallimorphocrinus
    • †Kallimorphocrinus pristinus – type locality for species
  • Fossil of the Cambrian trilobite Kendallina
    †Kendallina
    • †Kendallina biforota – or unidentified comparable form
  • †Kewaneesporites
    • †Kewaneesporites patulus
  • †Kindbladia
    • †Kindbladia affinis
  • †Kirengella
    • †Kirengella expansus – type locality for species
    • †Kirengella oregonensis – type locality for species
    • †Kirengella washingtonense – type locality for species
  • †Kirkella – type locality for genus
    • †Kirkella indentata – type locality for species
    • †Kirkella typicalis – type locality for species
  • †Knorria
  • †Kozlowskia
    • †Kozlowskia haydenensis

L
  • †Laevigatosporites
    • †Laevigatosporites desmoinesensis
    • †Laevigatosporites globosus
    • †Laevigatosporites medius
    • †Laevigatosporites ovalis
    • †Laevigatosporites vulgaris
  • †Lageniocrinus – tentative report
  • †Lampadosocrinus
  • †Lampterocrinus
  • †Langepis
    • †Langepis campbelli
  • †Laphamoceras
    • †Laphamoceras scofieldi
  • †Latiendothyra
  • †Latosporites
    • †Latosporites minutus
  • †Leangella
  • †Lecanospira
    • †Lecanospira perplana
    • †Lecanospira soluta – type locality for species
  • †Leioclema
  • †Leiorhynchus
    • †Leiorhynchus rockymontanum
  • †Lepidocyclus
    • †Lepidocyclus oblongus – type locality for species
  • †Lepidocystis
    • †Lepidocystis fraxiniformis
  • †Lepidophloios
    • †Lepidophloios vaningeni
  • †Lepidophyllum
  • †Lepidostrobophyllum
    • †Lepidostrobophyllum jenneyi
    • †Lepidostrobophyllum missouriense
  • †Leptaena
    • †Leptaena aequalis – type locality for species
    • †Leptaena oklahomensis
  • †Leptaenisca
    • †Leptaenisca irregularis – or unidentified comparable form
  • †Leptagonia
    • †Leptagonia missouriensis – type locality for species
  • †Leptalosia
    • †Leptalosia scintilla
  • †Leptodesma
    • †Leptodesma nitida
  • †Leptodiscus
    • †Leptodiscus corrugatus
  • †Leptoskelidion – type locality for genus
    • †Leptoskelidion septulosum – type locality for species
  • †Levizygopleura
    • †Levizygopleura inornata – type locality for species
    • †Levizygopleura trochus – type locality for species
    • †Levizygopleura williamsi – type locality for species
  • †Lichenaria
    • †Lichenaria typa – tentative report
  • †Limopteria
    • †Limopteria subalata
  • Shell of the Cambrian-modern brachiopod Lingula
    †Lingula
    • †Lingula carbonaria
    • †Lingula fleenori – type locality for species
    • †Lingula krugeri – type locality for species
    • †Lingula louisianensis
    • †Lingula osagensis
  • †Linnarsonella
    • †Linnarsonella girtyi
  • †Linoproductus
    • †Linoproductus distortus
    • †Linoproductus echinatus
    • †Linoproductus planiventralis
    • †Linoproductus prattenianus
  • †Linopteris
    • †Linopteris gilkersonensis
  • †Liospira
    • †Liospira micula
    • †Liospira obtusa
    • †Liospira progne
  • †Liroceras
    • †Liroceras liratum
  • †Lissatrypa
    • †Lissatrypa henryhousensis
  • †Listrochiton
    • †Listrochiton productus
  • †Litocrinus
  • †Lonchodina
  • †Lonchodus
    • †Lonchodus simplex – tentative report
  • †Lophamplexus
    • †Lophamplexus ulius
    • †Lophamplexus westii – type locality for species
  • †Lophonema – type locality for genus
    • †Lophonema circumlirata – or unidentified comparable form
    • †Lophonema peccatonica
    • †Lophonema taneyensis – type locality for species
  • †Lophophyllidium – type locality for genus
    • †Lophophyllidium distortum – type locality for species
    • †Lophophyllidium hadrum – type locality for species
  • †Lophospira
    • †Lophospira obliqua
    • †Lophospira perangulata
  • †Lophotriletes
    • †Lophotriletes commissuralis
    • †Lophotriletes microsaetosus
  • †Lorangerella
    • †Lorangerella parva
  • †Lycopodites
  • †Lycospora
    • †Lycospora granulata
    • †Lycospora micropapillata
    • †Lycospora pusilla
  • †Lyriopecten
    • †Lyriopecten tricostatus

M
  • †Macluritella
    • †Macluritella stantoni
  • †Macrocrinus
    • †Macrocrinus mundulus
  • †Macroscenella – tentative report
    • †Macroscenella type locality for species – informal
  • †Magnumbonella – type locality for genus
    • †Magnumbonella macrura – type locality for species
  • †Manespira
    • †Manespira nicolleti
  • †Marginatia
    • †Marginatia fernglenensis
    • †Marginatia magna – type locality for species
  • †Mariopteris
    • †Mariopteris dicipiens
    • †Mariopteris mazoniana
    • †Mariopteris sphenopteroides
    • †Mariopteris spiniosa
  • †Matherella
  • Fossilized plates of the Cambrian-Early Ordovician chiton Matthevia
    †Matthevia
    • †Matthevia erecta – type locality for species
    • †Matthevia walcotti – or unidentified comparable form
  • †Maximites
    • †Maximites cherokeensis – type locality for species
  • †Meekospira
    • †Meekospira peracuta
  • †Megaglossoceras
    • †Megaglossoceras pristinum
  • †Mendacella – tentative report
  • †Merista
  • †Meristella
    • †Meristella parva
  • †Meristina
    • †Meristina ovoides
  • †Merocanites
    • †Merocanites drostei – or unidentified comparable form
  • †Mesoblastus – tentative report
  • †Mesolobus
    • †Mesolobus striatus
  • Fossilized shell of the Carboniferous-Permian nautiloid cephalopod Metacoceras
    †Metacoceras
  • †Microantyx
    • †Microantyx botoni
  • †Microcyathus
    • †Microcyathus enormis
  • †Microdoma
    • †Microdoma conicum
  • †Microreticulatisporites
    • †Microreticulatisporites nobilis
    • †Microreticulatisporites sulcatus
  • †Mimospira – tentative report
    • †Mimospira type locality for species – informal
  • †Modiolodon
    • †Modiolodon subrhomboideus – type locality for species
  • †Modiolopsis
    • †Modiolopsis convexa – type locality for species
    • †Modiolopsis expansa – type locality for species
  • †Monilopora
  • †Monogonoceras
    • †Monogonoceras subrectum
  • †Mooreisporites
    • †Mooreisporites inusitatus
  • †Mooreocrinus
  • †Moreyella – type locality for genus
    • †Moreyella aviculiformis – type locality for species
    • †Moreyella trilobata – type locality for species
    • †Moreyella typicalis – type locality for species
  • †Mourlonia
    • †Mourlonia missouriensis – type locality for species
  • †Muensteroceras
    • †Muensteroceras pfefferae
  • †Murchisonia – tentative report
    • †Murchisonia pygmaea
  • †Myalina
    • †Myalina aviculoides
    • †Myalina lepta – tentative report
  • †Myelodactylus

N
  • †Namuropyge
    • †Namuropyge armata
  • Fossilized shell of the Early Devonian – Triassic sea snail Naticopsis
    †Naticopsis
    • †Naticopsis judithae – type locality for species
    • †Naticopsis marthaae – type locality for species
    • †Naticopsis paucivolutus – type locality for species
    • †Naticopsis scintilla – type locality for species
    • †Naticopsis virgata – type locality for species
    • †Naticopsis wortheniana – type locality for species
  • †Natiria
    • †Natiria americana
  • †Neochonetes
  • †Neoprioniodus
  • Fossilized shell of the Carboniferous-Permian brachiopod Neospirifer
    †Neospirifer
    • †Neospirifer cameratus
    • †Neospirifer goreii
    • †Neospirifer latus
    • †Neospirifer triplicatus
  • †Neozaphrentis
    • †Neozaphrentis acuta
    • †Neozaphrentis palmeri
    • †Neozaphrentis parasitica
  • †Nervostrophia
    • †Nervostrophia fragilis
  • Fossilized frond of the Carboniferous seed fern Neuropteris
    †Neuropteris
    • †Neuropteris caudata
    • †Neuropteris dilatata
    • †Neuropteris elacerata – type locality for species
    • †Neuropteris fimbrianta
    • †Neuropteris flexuosa
    • †Neuropteris heterophylla
    • †Neuropteris jenneyi
    • †Neuropteris missouriensis
    • †Neuropteris ovata
    • †Neuropteris rarinervis
    • †Neuropteris scheuchzeri
    • †Neuropteris scheuschzeri
    • †Neuropteris tenuifolia
    • †Neuropteris trichomanoides – or unidentified comparable form
  • †Newberria
    • †Newberria cordiforme
    • †Newberria missouriensis
  • †Nucleospira
    • †Nucleospira minima
    • †Nucleospira obesa
    • †Nucleospira raritas
    • †Nucleospira rowleyi
  • Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula
    Nucula
    • †Nucula subrotunda
  • Nuculana
    • †Nuculana rowleyi
  • †Nuculopsis
    • †Nuculopsis girtyi

O
  • †Ocnerorthis
    • †Ocnerorthis monticola
  • †Octocrinus – type locality for genus
    • †Octocrinus inconsuetus – type locality for species
  • †Oklahomacystis
  • †Oncagnostus
    • †Oncagnostus tumidosus
  • †Oneotoceras
  • †Ophileta
    • †Ophileta supraplana
  • †Orbiculoidea
    • †Orbiculoidea capuliformis
    • †Orbiculoidea elongata – type locality for species
    • †Orbiculoidea limata
    • †Orbiculoidea missouriensis
  • †Orbinaria
    • †Orbinaria pyxidata
  • Restoration of the Carboniferous-Permian cartilaginous fish Orodus
    †Orodus
    • †Orodus intermedius
  • †Orospira
    • †Orospira bigranosa
    • †Orospira conica – type locality for species
    • †Orospira depressa
    • †Orospira elegantula – type locality for species
    • †Orospira elevata – type locality for species
    • †Orospira gainesvillensis – type locality for species
  • †Orthoceras
    • †Orthoceras chemungense – tentative report
    • †Orthoceras minimum
  • †Orthoconus – type locality for genus
    • †Orthoconus striatus – type locality for species
  • †Orthomyalina
    • †Orthomyalina subquadrata
  • †Orthonema
    • †Orthonema inornatum – type locality for species
    • †Orthonema marvinwelleri – type locality for species
    • †Orthonema salteri – type locality for species
  • †Orthonychia
    • †Orthonychia jeffersonensis – type locality for species
    • †Orthonychia parva
    • †Orthonychia ungula – type locality for species
  • †Orthospirifer
    • †Orthospirifer euruteines
    • †Orthospirifer iowensis
  • †Orthostrophella
  • Fossil of the Cambrian trilobite Orygmaspis
    †Orygmaspis
  • †Oulodus
  • †Ovatia
    • †Ovatia laevicostatus – or unidentified comparable form
  • †Owenoceras
    • †Owenoceras bellilineatum
  • †Oxynoblatta
    • †Oxynoblatta americana – type locality for species
  • †Oxyprora
    • †Oxyprora missouriensis – type locality for species
    • †Oxyprora parrishi – type locality for species
  • †Ozarkoconus – type locality for genus
    • †Ozarkoconus prearcuatus – type locality for species
  • †Ozarkodina
  • †Ozarkplina – type locality for genus
    • †Ozarkplina meramecensis – type locality for species

P
  • †Paffrathopsis
    • †Paffrathopsis nana
  • †Palaeolima
    • †Palaeolima retifera
  • †Palaeoneilo
    • †Palaeoneilo angusta
    • †Palaeoneilo constricta
    • †Palaeoneilo ignota
  • Fossilized skeleton of the Permian bony fish Palaeoniscum
    †Palaeoniscus
  • †Palaeospiroplectammina
    • †Palaeospiroplectammina parva – or unidentified related form
  • †Palaeostylus
    • †Palaeostylus cylindrata – type locality for species
    • †Palaeostylus marvinwelleri – type locality for species
    • †Palaeostylus minuta – type locality for species
  • †Palaeozygopleura
    • †Palaeozygopleura missouriensis – type locality for species
  • †Palawospiroplectammina
    • †Palawospiroplectammina parva – or unidentified related form
  • †Paleocrinus
    • †Paleocrinus platybasalis
  • †Panderodus
    • †Panderodus gracilis
  • †Parabolinoides
    • †Parabolinoides hebe
  • †Paracyclas
    • †Paracyclas elliptica
    • †Paracyclas lirata
    • †Paracyclas rowleyi
  • †Paradiabolocrinus
  • †Paradichocrinus
    • †Paradichocrinus planus
  • †Paradycheia – type locality for genus
    • †Paradycheia dorisae – type locality for species
  • †Parahousia
    • †Parahousia constricta
  • †Parajuresania
    • †Parajuresania nebrascensis
  • †Parallelodon
    • †Parallelodon louisianensis
    • †Parallelodon obsoletus
    • †Parallelodon sulcatus
  • †Parallelodus – type locality for genus
    • †Parallelodus obliquus – type locality for species
  • †Parametacoceras
    • †Parametacoceras bellatulum
  • †Paraphorhynchus
    • †Paraphorhynchus striatocostatum
  • †Paraplethopeltis
    • †Paraplethopeltis minuta – type locality for species
  • †Passalocrinus – type locality for genus
    • †Passalocrinus triangularis – type locality for species
  • †Patellilabia
    • †Patellilabia tentoriolum – tentative report
  • †Paupospira
    • †Paupospira oweni
  • Fossils of the Late Devonian-Permian fern-like fronds Pecopteris
    †Pecopteris
    • †Pecopteris clintoni
    • †Pecopteris dentata
    • †Pecopteris lesquereuxii
    • †Pecopteris pseudovestita
    • †Pecopteris unita
  • †Pelicephalus
    • †Pelicephalus lochmani – type locality for species
  • †Pentamerella
    • †Pentamerella fultonensis
    • †Pentamerella laeviscula
    • †Pentamerella magna
    • †Pentamerella multicostella
    • †Pentamerella rugosa
    • †Pentamerella subarata
  • †Perditocardinia
    • †Perditocardinia dubia – or unidentified comparable form
  • †Perexigupyge
    • †Perexigupyge chouteauensis – type locality for species
  • †Permophorus
    • †Permophorus tropidophorus
  • †Pernopecten
    • †Pernopecten attenuatus
    • †Pernopecten ohioensis
  • †Peruniscus
    • †Peruniscus macer
  • †Petrocrania
    • †Petrocrania familica
    • †Petrocrania modesta
  • †Petrodus
  • †Pharkidonotus
    • †Pharkidonotus percarinatus
  • †Phestia
    • †Phestia diversoides
    • †Phestia spatulata
  • †Philhedra
  • †Phillipsia – tentative report
  • †Pholidostrophia
    • †Pholidostrophia iowensis
  • †Phragmolites
    • †Phragmolites fimbriata
    • †Phragmolites multinotatus
  • †Phricodothyris
  • †Phthanocoris – type locality for genus
    • †Phthanocoris occidentalis – type locality for species
  • †Phymatopleura
    • †Phymatopleura nodosa
  • †Pilosisporites
    • †Pilosisporites aculeolatus
  • Light micrograph of a Pinnularia alga
    †Pinnularia
  • †Pionodema
    • †Pionodema subaequata
  • †Pisocrinus
    • †Pisocrinus glabellus
    • †Pisocrinus gorbyi
    • †Pisocrinus quinquelobus
    • †Pisocrinus spatulatus
    • †Pisocrinus tentative reportsp. nov. 1 – informal
    • †Pisocrinus tentative reportsp. nov. 2 – informal
  • †Plagioglypta
  • Fossilized shell of the Silurian-Early Triassic sea snail Platyceras
    †Platyceras
    • †Platyceras encloides – type locality for species
    • †Platyceras evolutus – type locality for species
    • †Platyceras glenparkensis – type locality for species
    • †Platyceras paralium
    • †Platyceras pulcherrimum
  • †Platyconcha
    • †Platyconcha crenimarginis – type locality for species
  • †Platycrinus
    • †Platycrinus dodgei
  • †Platyfundocrinus
    • †Platyfundocrinus typus
  • †Plectambonites
    • †Plectambonites sericeus
  • †Plectodina
    • †Plectodina edentula
  • †Plectospira
    • †Plectospira raricosta
  • †Plethopeltis
  • †Plethospira
    • †Plethospira arenaria – or unidentified comparable form
    • †Plethospira cannonensis – or unidentified related form
    • †Plethospira cassina – or unidentified related form
    • †Plethospira extensa – type locality for species
  • Fossil of the Late Ordovician cystoid echinoderm Pleurocystites
    †Pleurocystites
    • †Pleurocystites filitextus
  • †Pleurophorus
    • †Pleurophorus occidentalis
  • †Plicochonetes
    • †Plicochonetes glenparkensis – tentative report
  • †Plocezyga
    • †Plocezyga abolescens
    • †Plocezyga angularis – type locality for species
    • †Plocezyga convertacostata – type locality for species
    • †Plocezyga corona – type locality for species
    • †Plocezyga percostata – type locality for species
    • †Plocezyga tenuilirata – type locality for species
    • †Plocezyga tenuis – type locality for species
  • †Plumalina
    • †Plumalina gracilis
  • †Pojetaconcha
    • †Pojetaconcha limatula – type locality for species
  • †Polidevcia
    • †Polidevcia bellistriata
  • †Polygnathus
    • †Polygnathus communis
  • †Polyplacognathus
    • †Polyplacognathus ramosus
  • †Polypora
  • †Polytoechia
  • †Polytryphocycloides
  • †Ponumia – tentative report
  • †Porocrinus
    • †Porocrinus petersenae
  • †Poteriocrinus
    • †Poteriocrinus jeffriesi
  • †Potonieisporites
  • †Potosiplina – type locality for genus
    • †Potosiplina delorensis – type locality for species
  • †Praepatokephalus
  • †Praepleurocystites
    • †Praepleurocystites watkinsi – tentative report
  • †Primitia
    • †Primitia type locality for species 1 – informal
    • †Primitia type locality for species 2 – informal
  • †Prioniodus
    • †Prioniodus cacti – type locality for species
    • †Prioniodus dactylodus – type locality for species
    • †Prioniodus galesburgensis – type locality for species
  • †Prismostylus
    • †Prismostylus fibratum
  • †Productella
    • †Productella callawayensis
    • †Productella subalata
  • †Productina
    • †Productina sampsoni
  • †Proetides
    • †Proetides colemani
    • †Proetides strattonporteri
  • Restoration of the Silurian trilobite Proetus
    †Proetus
    • †Proetus canalis
    • †Proetus missouriensis
    • †Proetus tenuituberculus
  • †Prokopicrinidae
  • †Prolecanites – tentative report
  • †Promytilus
    • †Promytilus annosus
  • †Proplina
    • †Proplina arcua – type locality for species
    • †Proplina cornutaformis
    • †Proplina elongata – type locality for species
    • †Proplina grandis – tentative report
    • †Proplina inflatus – type locality for species
    • †Proplina meramecensis – type locality for species
    • †Proplina sibelius – type locality for species
    • †Proplina suttoni – type locality for species
  • †Proteroconus – type locality for genus
    • †Proteroconus eminense – type locality for species
  • †Protocanites
    • †Protocanites louisianensis
  • †Protocycloceras
    • †Protocycloceras doniphorense
  • †Pseudagnostus
    • †Pseudagnostus communis
  • †Pseudoatrypa
    • †Pseudoatrypa missouriensis
  • †Pseudobigalea – type locality for genus
    • †Pseudobigalea crista – type locality for species
  • †Pseudomonotis
    • †Pseudomonotis equistriata
  • †Pseudopolygnathus
    • †Pseudopolygnathus multistriatus
  • †Pseudorthoceras
    • †Pseudorthoceras knoxense
  • †Pseudosaratogia
    • †Pseudosaratogia lata
  • †Pseudosyrinx
    • †Pseudosyrinx missouriensis
  • †Pseudozygopleura – type locality for genus
    • †Pseudozygopleura acuminata – type locality for species
    • †Pseudozygopleura assertonsoris – type locality for species
    • †Pseudozygopleura condrai – type locality for species
    • †Pseudozygopleura conica – type locality for species
    • †Pseudozygopleura deloi – type locality for species
    • †Pseudozygopleura eucharis – type locality for species
    • †Pseudozygopleura funis – type locality for species
    • †Pseudozygopleura leveneae – type locality for species
    • †Pseudozygopleura macra – type locality for species
    • †Pseudozygopleura moorei – type locality for species
    • †Pseudozygopleura nana – type locality for species
    • †Pseudozygopleura nigra – type locality for species
    • †Pseudozygopleura obtusicacuminis – type locality for species
    • †Pseudozygopleura pagoda – type locality for species
    • †Pseudozygopleura perversa – type locality for species
    • †Pseudozygopleura plummeri – type locality for species
    • †Pseudozygopleura pluricostata – type locality for species
    • †Pseudozygopleura praeacuta – type locality for species
    • †Pseudozygopleura pulchra – type locality for species
    • †Pseudozygopleura pupa – type locality for species
    • †Pseudozygopleura recticostata – type locality for species
    • †Pseudozygopleura restis – type locality for species
    • †Pseudozygopleura rothi – type locality for species
    • †Pseudozygopleura schucherti – type locality for species
    • †Pseudozygopleura scitula
    • †Pseudozygopleura semicostata
    • †Pseudozygopleura sinuosior – type locality for species
    • †Pseudozygopleura tenuivirga – type locality for species
    • †Pseudozygopleura terebra – type locality for species
    • †Pseudozygopleura teres – type locality for species
    • †Pseudozygopleura werneri – type locality for species
  • †Psilocamara
    • †Psilocamara renfroarum
  • Fossil seed fern leaves from the LateCarboniferous of northeastern Ohio.
    †Pteridosperm
  • †Pterocephalia
    • †Pterocephalia sanctisabae
    • †Pterocephalia sanetisabae
  • †Pterotheca
    • †Pterotheca expansa
    • †Pterotheca triangularis
  • †Ptychopleurella
    • †Ptychopleurella rugiplicata
  • †Ptychopyge
  • †Ptychtodus
    • †Ptychtodus calceolus
  • Life restoration of the Late Devonian placoderm fish Ptyctodus
    †Ptyctodus
    • †Ptyctodus calceolus
  • †Ptylopora
  • †Pugnoides – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Pugnoides boonensis
  • †Pulchricapitus
    • †Pulchricapitus davis – type locality for species
  • †Punctatisporites
    • †Punctatisporites edgarensis – or unidentified comparable form
    • †Punctatisporites flavus
    • †Punctatisporites glaber
    • †Punctatisporites minutus
    • †Punctatisporites obesus
  • †Punctatosporites
    • †Punctatosporites minutus
  • †Punctospirifer
    • †Punctospirifer acutus – type locality for species
    • †Punctospirifer kentuckensis
    • †Punctospirifer schucherti
  • †Puntatosporites
    • †Puntatosporites minutus
  • †Pustula
    • †Pustula arctifossa
  • †Pycnoceras
    • †Pycnoceras clausum
    • †Pycnoceras rotundatum
  • †Pyrgozyga
    • †Pyrgozyga warthini – type locality for species

Q

R
  • †Rafinesquina
    • †Rafinesquina jeffersonensis
    • †Rafinesquina latisculptilis
    • †Rafinesquina stropheodontoides
  • †Raistrickia
    • †Raistrickia abdita
    • †Raistrickia aculeata
    • †Raistrickia breveminens
    • †Raistrickia carbondalensis
    • †Raistrickia crinita
    • †Raistrickia crocea
    • †Raistrickia subcrinita
  • Fossil of the Early Ordovician-Permian benthic alga Receptaculites
    †Receptaculites
    • †Receptaculites cornutiformis
  • †Remopleurides
    • †Remopleurides missouriensis
  • †Resserella
    • †Resserella brownsportensis
  • †Reticularia
    • †Reticularia cooperensis – or unidentified related form
  • †Reticulatia
    • †Reticulatia huecoensis
    • †Reticulatia tiawahensis
  • †Reticulatisporites
    • †Reticulatisporites muricatus
    • †Reticulatisporites reticulatus
  • †Retispira
    • †Retispira nodulifera – type locality for species
    • †Retispira tenuilineata
    • †Retispira textiliformis – type locality for species
  • †Rhabdotocochlis – type locality for genus
    • †Rhabdotocochlis rugata – type locality for species
  • †Rhacopea
  • †Rhipidomella
    • †Rhipidomella carbonaria
    • †Rhipidomella cuneata
    • †Rhipidomella diminutiva
    • †Rhipidomella missouriensis
  • †Rhombopora
  • †Rhopalonaria – tentative report
  • †Rhynchopora
    • †Rhynchopora hamburgensis
    • †Rhynchopora persinuata – or unidentified related form
    • †Rhynchopora rowleyi
  • †Rhynchotetra
    • †Rhynchotetra gibbosum
  • †Rhytimya
  • †Richterella
    • †Richterella hessleri – type locality for species
  • †Robustum – type locality for genus
    • †Robustum nodum – type locality for species
    • †Robustum phallerium – type locality for species
  • †Rota
    • †Rota martini
  • †Rotaia
  • †Rotoides
    • †Rotoides imperforata
    • †Rotoides tretomesota
  • †Rowleyella
    • †Rowleyella fabulites
  • †Ruedemannia
    • †Ruedemannia humilis – type locality for species
  • †Rugosochonetes
    • †Rugosochonetes burlingtonensis – or unidentified related form
    • †Rugosochonetes multicosta

S
  • †Saratogia – tentative report
  • †Scaevogyra
    • †Scaevogyra swezeyi
  • †Sceptaspis
    • †Sceptaspis lincolnensis – type locality for species
  • †Schellwienella
    • †Schellwienella planumbona – or unidentified comparable form
  • †Schizodus
    • †Schizodus affinis
    • †Schizodus amplus
  • †Schizopea – type locality for genus
    • †Schizopea abrupta – type locality for species
    • †Schizopea elevata – type locality for species
    • †Schizopea grandis
    • †Schizopea normalis – type locality for species
    • †Schizopea subrotunda
    • †Schizopea transitans – type locality for species
    • †Schizopea typica
  • †Schizophoria
    • †Schizophoria laudoni
    • †Schizophoria postriatula
    • †Schizophoria striatula
  • †Schuchertella
    • †Schuchertella arctostriata
    • †Schuchertella hardinensis
    • †Schuchertella iowensis
    • †Schuchertella lens
    • †Schuchertella louisianensis – type locality for species
    • †Schuchertella propinqua
  • †Sciadiocrinus
    • †Sciadiocrinus plautus – type locality for species
  • †Sedenticellula
    • †Sedenticellula hamburgensis
  • †Selenella
    • †Selenella pediculus
  • †Setigerites – tentative report
  • †Shansiella
    • †Shansiella broadheadi
    • †Shansiella carbonaria
  • †Shelbyoceras – type locality for genus
    • †Shelbyoceras bigpineyensis – type locality for species
    • †Shelbyoceras robustum – type locality for species
  • †Shumardella
  • †Shumardoceras
    • †Shumardoceras complanatum
    • †Shumardoceras fragile
    • †Shumardoceras taneyense
  • Fossilized stump of the Carboniferous-Permian club moss relative Sigillaria
    †Sigillaria
  • †Sinuopea
    • †Sinuopea basiplanata – type locality for species
    • †Sinuopea cingulata – type locality for species
    • †Sinuopea emminencis
    • †Sinuopea sweeti
    • †Sinuopea vera
  • †Skenidioides
    • †Skenidioides henryhousensis – or unidentified comparable form
  • Solemya
    • †Solemya radiata
    • †Solemya trapezoides
  • †Soleniscus
    • †Soleniscus klipparti
    • †Soleniscus primigenius
    • †Soleniscus primogenia
    • †Soleniscus primogenius
    • †Soleniscus regularis
    • †Soleniscus typicus
  • †Spathella
    • †Spathella typica
  • †Spathognathodus
    • †Spathognathodus pulcher
  • †Sphaerocoryphe
    • †Sphaerocoryphe arachniformis
  • †Sphenolium
  • Fossilized leaves and branches of the Devonian-Triassic horsetail relative Sphenophyllum
    †Sphenophyllum
    • †Sphenophyllum cunefolium
    • †Sphenophyllum emarginatum
    • †Sphenophyllum fasciculatum
    • †Sphenophyllum longifolium
    • †Sphenophyllum majus
  • †Sphenopteris
    • †Sphenopteris lacoei
    • †Sphenopteris macilenta
    • †Sphenopteris mixta
    • †Sphenopteris obtusiloba
  • †Sphenosphaera
    • †Sphenosphaera capax
  • †Spinatrypa
    • †Spinatrypa bellula
    • †Spinatrypa spinosa
  • †Spinocyrtia
    • †Spinocyrtia euryteines
  • †Spinosporites
    • †Spinosporites exiguus
  • Fossilized shell of the Late Ordovician-Late Triassic brachiopod Spirifer
    †Spirifer
    • †Spirifer forbesi
    • †Spirifer lousianensis
    • †Spirifer marionensis
    • †Spirifer opimus
    • †Spirifer rockymontanus
    • †Spirifer rowleyi
  • †Spirodentalium
    • †Spirodentalium walcotti – tentative report
  • Spiropteris
  • Modern shells of the polychaete worm Spirorbis
    Spirorbis
    • †Spirorbis kinderhookensis
    • †Spirorbis kinderhookiensis
  • †Spyroceras
    • †Spyroceras bilineatum
  • †Stacheoides
  • †Stegacanthia
    • †Stegacanthia bowsheri – or unidentified related form
  • †Stegerhynchus
    • †Stegerhynchus antiqua
    • †Stegerhynchus concinna
  • †Stegocoelia
    • †Stegocoelia missouriensis
  • †Stenopilus
    • †Stenopilus latus
  • †Stenoscisma
    • †Stenoscisma pikensis – type locality for species
  • †Stephanozyga
    • †Stephanozyga nodosa – type locality for species
    • †Stephanozyga subnodosa – type locality for species
  • †Straparollina
    • †Straparollina basicarinata – type locality for species
    • †Straparollina cassina – type locality for species
    • †Straparollina perangulata
    • †Straparollina turgida – tentative report
  • †Streblochondria – tentative report
    • †Streblochondria infelix
    • †Streblochondria tenuilineata
  • †Streblotrypa
  • †Strepsodiscus
    • †Strepsodiscus major
    • †Strepsodiscus paucivoluta
  • †Streptacis
    • †Streptacis meeki – type locality for species
    • †Streptacis scalpta – type locality for species
    • †Streptacis whitfieldi
  • †Streptelasma
    • †Streptelasma corniculum – tentative report
    • †Streptelasma subregulare
  • †Streptognathodus
    • †Streptognathodus chanutensis – type locality for species
    • †Streptognathodus clarki – type locality for species
    • †Streptognathodus clavatulus – type locality for species
    • †Streptognathodus corrugatus – type locality for species
    • †Streptognathodus curvatus – type locality for species
    • †Streptognathodus holmesi – type locality for species
    • †Streptognathodus minutus – type locality for species
    • †Streptognathodus multinodosus – type locality for species
    • †Streptognathodus rugosus – type locality for species
    • †Streptognathodus ruidus – type locality for species
    • †Streptognathodus spatulatus – type locality for species
    • †Streptognathodus strigillatus – type locality for species
    • †Streptognathodus subdivisus – type locality for species
    • †Streptognathodus sulcatus – type locality for species
    • †Streptognathodus sulciferus – type locality for species
  • †Streptorhynchus
    • †Streptorhynchus tenuicostatum – or unidentified related form
  • †Strobeus
    • †Strobeus brevis
    • †Strobeus intercalaris
    • †Strobeus paludinaeformis
    • †Strobeus welleri – type locality for species
  • †Strophodonta
    • †Strophodonta demissa
  • Fossilized shell of the Ordovician-Silurian brachiopod Strophomena
    †Strophomena
    • †Strophomena boonensis
    • †Strophomena callawayensis
    • †Strophomena cayuta
    • †Strophomena cedarensis
    • †Strophomena cymbiformis
    • †Strophomena dorsata
    • †Strophomena equicostata
    • †Strophomena halli
    • †Strophomena incurvata
    • †Strophomena inflexa
    • †Strophomena interstrialis
    • †Strophomena iowensis
    • †Strophomena linderi
    • †Strophomena littletonensis
    • †Strophomena navalis
    • †Strophomena nortoni
    • †Strophomena parvis
    • †Strophomena satterfieldi – type locality for species
  • †Strophonella
  • †Stylocyrtoceras
    • †Stylocyrtoceras avaense
  • †Subglobosochonetes
    • †Subglobosochonetes jerseyensis
  • †Subprioniodus
  • †Subulites
    • †Subulites conradi
  • †Sulcocephalus
    • †Sulcocephalus candidus
  • †Synbathocrinus
    • †Synbathocrinus melba – or unidentified comparable form
  • †Synprioniodina
  • †Syntrophina
    • †Syntrophina campbelli
    • †Syntrophina missouriensis
  • †Syringothyris
    • †Syringothyris extenuata
    • †Syringothyris hannibalensis
    • †Syringothyris newarkensis

T
  • †Tabulipora
  • †Taenicephalus
    • †Taenicephalus nasuta
    • †Taenicephalus shumandi
    • †Taenicephalus shumardi
  • †Tarphyceras
    • †Tarphyceras chadwickense
  • †Technophorus
    • †Technophorus bellistriatus – type locality for species
  • †Teiichispira
    • †Teiichispira odenvillensis
    • †Teiichispira ponderosa
  • †Temnocheilus
    • †Temnocheilus harneri
  • †Thalamocrinus
    • †Thalamocrinus ovalis
  • †Thaleops
    • †Thaleops depressicapitata
  • †Thuroholia
    • †Thuroholia croneisi
    • †Thuroholia spicatus
  • †Thymospora
    • †Thymospora pseudothiessenii
  • †Titanoplina – type locality for genus
    • †Titanoplina meramecensis – type locality for species
  • †Trachydomia
    • †Trachydomia nodosa
    • †Trachydomia oweni
  • †Trematis
    • †Trematis foerstei
    • †Trematis huronensis
  • †Trepospira
    • †Trepospira depressa
    • †Trepospira minima – type locality for species
  • Fossil of the Cambrian trilobite Tricrepicephalus
    †Tricrepicephalus
  • †Triquitrites
    • †Triquitrites additus
    • †Triquitrites bransonii
    • †Triquitrites crassus
    • †Triquitrites protensus
    • †Triquitrites spinosus
  • †Troosticrinus
    • †Troosticrinus minimus
  • †Trophocrinus
    • †Trophocrinus corpulentus – type locality for species
    • †Trophocrinus exsertus – type locality for species
  • Illustration of a fossilized shell in multiple views of the Silurian monoplacophoran mollusc Tryblidium reticulatum. Head region is to the left.
    †Tryblidium
    • †Tryblidium rugosum – type locality for species
  • †Tuberculatosporites
    • †Tuberculatosporites robustus
  • †Turritoma
    • †Turritoma acrea
  • †Tylothyris
    • †Tylothyris missouriensis
    • †Tylothyris subvaricosa

U
  • †Ulrichoconus – type locality for genus
    • †Ulrichoconus bonneterrense – type locality for species

V
  • †Vellamo
    • †Vellamo diversa
  • †Verrucosisporites
    • †Verrucosisporites grandiverrucosus
  • †Verrusosisporites
    • †Verrusosisporites microtuberosus
    • †Verrusosisporites sifati
  • †Vesicaspora
    • †Vesicaspora wilsonii
  • †Vestispora
    • †Vestispora fenestrata
    • †Vestispora foveata
    • †Vestispora laevigata
  • †Voiseyella
    • †Voiseyella mundula
  • †Volsellina
    • †Volsellina subelliptica
  • †Vorticina
    • †Vorticina cyrtolites

W
  • †Waagenella
    • †Waagenella crassus
  • †Wellerella
    • †Wellerella osagensis – tentative report
    • †Wellerella tetrahedra
  • †Wellerocystis
    • †Wellerocystis kimmswickensis
  • †Whiteavesia
    • †Whiteavesia subcarinata
  • †Whitfieldella
    • †Whitfieldella billingsana
  • †Wibernia
    • †Wibernia halli
  • †Wichitoceras
    • †Wichitoceras chadwickense
    • †Wichitoceras compressum
  • †Wilbernia
    • †Wilbernia halli
  • †Wilkingia
    • †Wilkingia terminale
  • †Williamsella – type locality for genus
    • †Williamsella typicalis – type locality for species
  • †Wilsonites
    • †Wilsonites delicatus
    • †Wilsonites vesicatus
  • †Worthenia
    • †Worthenia tabulata

X
  • †Xenocheilos
    • †Xenocheilos orthos – type locality for species
    • †Xenocheilos spineum

Z
  • †Zeugopleura
    • †Zeugopleura jeffersonensis
  • †Zophocrinidae – tentative report
  • †Zygospira
    • †Zygospira deflecta
gollark: Hydronitrogen has loads of stuff *anyway*, I don't think we need to centralize power even more...
gollark: I added much of ale's insanity to potatOS.
gollark: Please DON'T send them to hydronitrogen.
gollark: You should use PotatOS Bin instead.
gollark: This should usher in a new age of skynet-based uselessness.

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