List of the Paleozoic life of Kentucky

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

A

  • †Abatocrinus
    • †Abatocrinus grandis
    • †Abatocrinus steropes
    • †Abatocrinus n. sp. – informal
  • Fossilized calyx of the Carboniferous crinoid ("sea lily") Abrotocrinus
    †Abrotocrinus
  • †Achatella
  • †Achistrum
  • †Acidaspis
  • †Acidaspsis
  • †Acinophyllum
    • †Acinophyllum davisi
  • †Aclisina
    • †Aclisina golconda
  • †Acolocrinus
    • †Acolocrinus hydraulicus
  • †Acratia
  • † Acrophyllum
    • †Acrophyllum clarki
    • †Acrophyllum conigerum
  • †Actinoceras
    • †Actinoceras altopontense – type locality for species
    • †Actinoceras kentuckiense – type locality for species
  • Fossilized calyx and partial stem of the Devonian-Permian crinoid ("sea lily") Actinocrinites
    †Actinocrinites
  • †Adinocrinus
    • †Adinocrinus nodosus
  • †Aerocortex
    • †Aerocortex kentuckiensis
  • †Agaricocrinus
    • †Agaricocrinus americanus
    • †Agaricocrinus crassus
    • †Agaricocrinus inflatus – tentative report
    • †Agaricocrinus planoconvexus
    • †Agaricocrinus wortheni – tentative report
  • †Agassizocrinus
    • †Agassizocrinus conicus
    • †Agassizocrinus gibbosua
    • †Agassizocrinus laevis
    • †Agassizocrinus lobatus
  • †Ahrensisporites
    • †Ahrensisporites guerickei
  • †Alaskadiscus
    • †Alaskadiscus magnus
    • †Alaskadiscus subacutus
  • †Alastega
    • †Alastega martini – type locality for species
  • Fossilized fronds of the Carboniferous-Early Cretaceous seed fern Alethopteris
    †Alethopteris
  • †Allonychia
    • †Allonychia flanaganensis
  • †Alloprosallocrinus
    • †Alloprosallocrinus conicus
  • †Allorisma
  • †Allosaccus
  • †Allumettoceras
    • †Allumettoceras tenerum – or unidentified comparable form
  • †Alveolites
    • †Alveolites asperus
    • †Alveolites constans
    • †Alveolites expatiatus
    • †Alveolites fibrosus
    • †Alveolites goldfussi
    • †Alveolites labrosus
    • †Alveolites louisvillensis
    • †Alveolites minimus
    • †Alveolites mordax
    • †Alveolites squamosus
    • †Alveolites undosus
    • †Alveolites winchellana
  • †Amaurotoma
    • †Amaurotoma leavenworthana
  • †Amblytochiton
    • †Amblytochiton incomptus – type locality for species
  • †Ambochia
  • †Ambonychia
    • †Ambonychia byrnesi
    • †Ambonychia ulrichi – or unidentified comparable form
  • †Ammonellipsites
  • †Amphiscapha
    • †Amphiscapha catilloides
  • †Amphissites
    • †Amphissites centronotoides
    • †Amphissites mimicus
    • †Amphissites planoventralis
    • †Amphissites vanniae
  • †Amphoracrinus
  • †Amplexizaphrentis
    • †Amplexizaphrentis compressus
    • †Amplexizaphrentis spinulosus
  • Ordovician-Permian bryozoan Amplexopora
    †Amplexopora
    • †Amplexopora minnesotensis
    • †Amplexopora minor
    • †Amplexopora persimilis
    • †Amplexopora winchelli – or unidentified comparable form
  • †Amplexus
    • †Amplexus fragilis
  • †Amygdalocystites
    • †Amygdalocystites fiorealis
  • †Anapiculatisporites
    • †Anapiculatisporites minor
  • †Anastrophia – tentative report
  • †Anazyga
    • †Anazyga recurvirostra
  • †Anchiopella
    • †Anchiopella anchiops
  • †Anematina
    • †Anematina proutana
  • † Anisophyllum
    • †Anisophyllum trifurcatum
    • †Anisophyllum unilargum – tentative report
  • †Ankyropteris
    • †Ankyropteris brongniartii
  • Fossil of the Carboniferous horsetail relative Annularia
    †Annularia
    • †Annularia galioides
  • †Anomalocrinus
  • †Anomalodonta
    • †Anomalodonta gigantea
  • †Aorocrinus
    • †Aorocrinus nodulus – type locality for species
  • †Aparchites
    • †Aparchites minutissimus
  • †Apiculatasporites
    • †Apiculatasporites variocorneus
  • †Apodasmocrinus
    • †Apodasmocrinus punctatus
  • †Aptochilina
  • †Arabellites
    • †Arabellites cornutus
  • †Arachnophyllum
    • †Arachnophyllum mamillare
    • †Arachnophyllum mammillare
    • †Arachnophyllum pentagonum – type locality for species
    • †Arachnophyllum quadrangulare
    • †Arachnophyllum separatum
    • †Arachnophyllum sinemurum – type locality for species
    • †Arachnophyllum striatum
  • Fossilized shell and spines of the Late Devonian-Permian sea urchin Archaeocidaris
    †Archaeocidaris
    • †Archaeocidaris norwoodi
  • †Archaeocrinus
    • †Archaeocrinus peculiaris
  • †Archaeopitys
    • †Archaeopitys eastmanii
  • †Archaeopteris
    • †Archaeopteris eastmanii
  • Fossils of the Carboniferous-Permian bryozoan Archimedes
    †Archimedes
  • †Archinacella
    • †Archinacella simulatrix
  • †Arnoldella
    • †Arnoldella minuta
  • †Arthraria
    • †Arthraria rogersensis
  • †Arthropitys
    • †Arthropitys communis
  • †Arthroxylon
  • †Asolanus
  • †Aspidopora
    • †Aspidopora newberryi
  • †Astarella
  • †Astartella – tentative report
    • †Astartella concentrica
  • Fossilized teeth of the Devonian-Cretaceous shark Asteracanthus
    †Asteracanthus
    • †Asteracanthus siderius – type locality for species
  • †Asterophyllites
    • †Asterophyllites charaeformis
    • †Asterophyllites longifolius
  • †Asthenophyllum
    • †Asthenophyllum davisi – type locality for species
    • †Asthenophyllum scitulum – tentative report
  • †Astrocerium
    • †Astrocerium hisingeri
    • †Astrocerium niagarense
    • †Astrocerium venustum
  • †Atactopora
  • †Atactoporella
    • †Atactoporella newportensis
  • †Atelestocrinus
    • †Atelestocrinus kentuckyensis – type locality for species
  • †Athyris
  • Fossilized shell of the Late Ordovician-Carboniferous brachiopod Atrypa
    †Atrypa
  • †Augustoceras
    • †Augustoceras shideleri – type locality for species
  • †Aulacera
    • †Aulacera cylindrica
    • †Aulacera intermedia
    • †Aulacera nodulifera
    • †Aulacera plummeri
  • †Aulocrinus
    • †Aulocrinus bellus
  • †Aulocystis
    • †Aulocystis auloporoidea
    • †Aulocystis jacksoni
    • †Aulocystis procumbens – tentative report
    • †Aulocystis transitorius – type locality for species
  • Fossil of the Late Ordovician-Permian tabulate coral Aulopora
    †Aulopora
  • †Australosutura
  • †Aviculopecten

B

  • Bairdia
    • †Bairdia salemensis
  • †Balticopora
    • †Balticopora tenuimurale
  • †Barycrinus
    • †Barycrinus asteriscus – or unidentified related form
    • †Barycrinus cornutus
    • †Barycrinus rhombiferus
    • †Barycrinus sculptilis
    • †Barycrinus sculptus
    • †Barycrinus spurius
    • †Barycrinus stellatus
    • †Barycrinus tumidus
  • †Batherocystis
    • †Batherocystis appressa
  • †Bathyurus
    • †Bathyurus ingalli – or unidentified comparable form
  • †Batocrinus
    • †Batocrinus calyculus
    • †Batocrinus icosodactylus
    • †Batocrinus spergenensis
  • †Batostoma
    • †Batostoma humile – or unidentified comparable form
  • †Batostomella
    • †Batostomella gracilis
  • †Beecheria
    • †Beecheria formosa – tentative report
  • †Belemnospongia
    • †Belemnospongia parmula
  • Fossilized shell of the Silurian-Early Triassic mollusc Bellerophon
    †Bellerophon
  • †Beloitoceras
    • †Beloitoceras huronense – or unidentified comparable form
  • †Benthanyphyllum
    • †Benthanyphyllum prateriforme
    • †Benthanyphyllum robustum
  • Berenicea
  • †Beyrichia
    • †Beyrichia chambersi
  • †Beyrichoceras
  • †Billingsastraea
    • †Billingsastraea yandelli
  • †Billingsocystis
    • †Billingsocystis invaginata
  • †Bisatoceras – tentative report
  • †Blairocrinus
    • †Blairocrinus protuberatus – type locality for species
  • †Blothrocrinus
    • †Blothrocrinus swallovi
  • †Blothrophyllum
    • †Blothrophyllum zaphrentiforme
  • †Bolbopisthia
    • †Bolbopisthia progressa reticulata – or unidentified comparable form
  • †Bollia
    • †Bollia persulcata
  • †Borestus
  • †Bostonia
    • †Bostonia perplexa
  • †Bothrodendron
    • †Bothrodendron minutifolium
  • †Bowmanites
    • †Bowmanites dawsoni
  • †Brachiospongia
    • †Brachiospongia digitata
  • †Brachymetopus
  • †Brachythyris
    • †Brachythyris subcardiformis
    • †Brachythyris suborbicularis
  • †Bucanapsis
  • †Bucania
    • †Bucania halli
    • †Bucania pojetai – type locality for species
    • †Bucania rugatina
    • †Bucania subangulata
    • †Bucania sublata
  • †Bucanopsis
    • †Bucanopsis carinifera
    • †Bucanopsis diabloensis
  • †Bulimorpha
    • †Bulimorpha bulimiformis
    • †Bulimorpha elongata
  • Life restoration of the Early Ordovician-Silurian trilobite Bumastus
    †Bumastus
  • †Byssonychia
    • †Byssonychia radiata
    • †Byssonychia richmondensis
  • Bythocypris
    • †Bythocypris cylindrica
    • †Bythocypris lydeae

C

  • Fossilized stems from the Carboniferous-Permian horsetail relative Calamites
    †Calamites
  • †Calamocarpon
    • †Calamocarpon insignis
  • †Calamopitys
    • †Calamopitys americana
    • †Calamopitys foerstei
  • †Calamopteris
    • †Calamopteris hippocrepis
  • †Calamoptys
    • †Calamoptys foerstei
  • †Calamospora
    • †Calamospora hartungiana
  • †Calamostachys
    • †Calamostachys binneyana
  • †Calapoecia
    • †Calapoecia huronensis
  • A polished round of the permineralised Late Devonian-Carboniferous wood Callixylon
    †Callixylon
    • †Callixylon brownii
  • †Calopora
    • †Calopora ramosa
  • †Calostylis
    • †Calostylis lindstroemi
    • †Calostylis spongiosa
  • †Calyptaulax
    • †Calyptaulax strasburgensis – or unidentified comparable form
  • †Camarotoechia
  • †Camerella
    • †Camerella immatura – or unidentified related form
  • Fossilized shell of the Middle Ordovician-Silurian nautiloid cephalopod Cameroceras
    †Cameroceras
    • †Cameroceras rowenaense – type locality for species
    • †Cameroceras trentonense – or unidentified comparable form
  • †Camptocrinus
    • †Camptocrinus crawfordsvillensis
    • †Camptocrinus nudus
  • †Canadocystis
    • †Canadocystis tennesseensis
  • †Cantabricanites – tentative report
    • †Cantabricanites greenei
  • †Carabocrinus
    • †Carabocrinus micropunctatus
    • †Carabocrinus plate – informal
  • †Carinaropsis
    • †Carinaropsis cymbula
    • †Carinaropsis explanata – type locality for species
    • †Carinaropsis minima
  • †Cartersoceras
    • †Cartersoceras popei – type locality for species
    • †Cartersoceras shideleri
  • †Catillocrinus
    • †Catillocrinus tennesseeae
  • †Cavellina
  • †Ceramophylla
    • †Ceramophylla alternatum
  • †Ceramoporella
  • †Cerartoleperditia
    • †Cerartoleperditia kentuckyensis
  • †Ceratopsis
    • †Ceratopsis chambersi
    • †Ceratopsis intemedia
    • †Ceratopsis intermedia
    • †Ceratopsis oculifera – or unidentified related form
  • Fossil of the Middle-Late Ordovician trilobite Ceraurus
    †Ceraurus
  • †Cestocrinus – tentative report
  • †Chasmatopora
  • †Cheirocystis
    • †Cheirocystis fultonensis – type locality for species
  • †Chonetes
  • †Cincinnaticrinus
    • †Cincinnaticrinus varibrachialis
  • †Cincinnetina
  • †Cladochonus
  • †Cladopora
    • †Cladopora aculeata
    • †Cladopora acupicta
    • †Cladopora bifura
    • †Cladopora gulielmi
    • †Cladopora imbricata
    • †Cladopora menis – tentative report
    • †Cladopora ordinata
    • †Cladopora reticulata
  • †Cladoxylon
  • †Clathrospira
    • †Clathrospira conica
    • †Clathrospira subconica
  • †Claudeonychia – tentative report
    • †Claudeonychia byrnesi
  • †Cleionychia
  • Fossilized shell of the Middle Devonian-Permian brachiopod Cleiothyridina
    †Cleiothyridina
  • †Clepsydropsis
    • †Clepsydropsis bertrandi
    • †Clepsydropsis campbelli
    • †Clepsydropsis chaneyi
    • †Clepsydropsis titan
  • †Climacograptus
    • †Climacograptus putillus
  • †Clinopistha
    • †Clinopistha radiata
  • †Codaster
    • †Codaster jessieae
  • †Coeliocrinus
    • †Coeliocrinus subspinosus
  • †Coenites
    • †Coenites verticillatus
  • †Colaptomena
  • †Colpomya
    • †Colpomya constricta
    • †Colpomya faba
  • Fossilized shell of the Late Devonian-Permian brachiopod Composita
    †Composita
  • †Conostoma
    • †Conostoma anglogermanicum
    • †Conostoma oblongum
  • †Constellaria
    • †Constellaria florida – or unidentified comparable form
    • †Constellaria teres
  • †Conularia
    • †Conularia formosa
    • †Conularia trentonensis
  • †Convolutispora
  • †Coopericystis
    • †Coopericystis pyriformis
  • †Cordaites
    • †Cordaites felicis
  • Fossil of the Middle Ordovician-Carboniferous horn coral Cornulites
    †Cornulites
  • †Coronocystis
    • †Coronocystis angulatus
  • †Cosmetocrinus
    • †Cosmetocrinus gracilis
  • †Costalocrinus
    • †Costalocrinus conkini – type locality for species
    • †Costalocrinus cornutus
    • †Costalocrinus rex
  • †Costatulites
    • †Costatulites richmondensis
  • †Crania – tentative report
  • †Craniops
    • †Craniops cincinnatiensis
  • †Crassispora
    • †Crassispora kosankei
  • †Craterophyllum
    • †Craterophyllum adnascens
    • †Craterophyllum invaginatum
    • †Craterophyllum solitarium
  • †Cryptolithus
    • †Cryptolithus bellulus
    • †Cryptolithus recurvus
    • †Cryptolithus tesselatus
  • †Ctenobolbina
    • †Ctenobolbina ciliata
  • †Ctenodonta
    • †Ctenodonta logani – or unidentified related form
    • †Ctenodonta longa – or unidentified related form
    • †Ctenodonta nasuta – or unidentified comparable form
    • †Ctenodonta obliqua
    • †Ctenodonta regia
    • †Ctenodonta socialis
  • †Cuffeyella
    • †Cuffeyella arachnoidea
  • †Culmicrinus
    • †Culmicrinus verus
  • †Cuneamya
  • †Cupulocrinus
  • †Cyathactis
    • †Cyathactis sedentarius
    • †Cyathactis typus
  • †Cyathaxonia
    • †Cyathaxonia venusta
  • Fossilized calyx and partial stem of the Silurian-Permian crinoid ("sea lily") Cyathocrinites
    †Cyathocrinites
  • †Cyathophylloides
  • †Cybelinidae
    • †Cybelinidae cranidium – informal
  • †Cycloconcha
    • †Cycloconcha milleri
    • †Cycloconcha ovata – or unidentified related form
  • †Cyclocyclopa
  • †Cyclocystoides
  • †Cyclogranisporites
    • †Cyclogranisporites aureus – or unidentified comparable form
    • †Cyclogranisporites minutus
  • †Cyclonema
    • †Cyclonema minuta
  • †Cyclopentagonopa
  • †Cyclora – tentative report
  • †Cydrocrinus
    • †Cydrocrinus concinnus – tentative report
    • †Cydrocrinus subramulosus – tentative report
  • †Cymatonota
  • †Cyphaspis
  • †Cyphotrypa
    • †Cyphotrypa acervulosa
    • †Cyphotrypa clarksvillensis
  • †Cypricardinia
    • †Cypricardinia indianensis
  • †Cyrtina
  • Restoration of the Cambrian-Middle Devonian nautiloid cephalopod Cyrtoceras
    †Cyrtoceras
  • †Cyrtodonta
    • †Cyrtodonta grandis
    • †Cyrtodonta subovata
  • †Cyrtodontula
    • †Cyrtodontula umbonata
  • †Cyrtolites
    • †Cyrtolites claysferryensis – type locality for species
    • †Cyrtolites inornatum
    • †Cyrtolites ornatus – tentative report
    • †Cyrtolites retrorsus
  • †Cyrtospira
    • †Cyrtospira bicurvata – type locality for species
  • †Cyrtostropha
    • †Cyrtostropha salteri
  • †Cystihalysites
    • †Cystihalysites nexus
  • †Cystiphylloides
    • †Cystiphylloides americanum
    • †Cystiphylloides crassatum
  • †Cystiphyllum
    • †Cystiphyllum granilineatum
    • †Cystiphyllum niagarense
    • †Cystiphyllum spinulosum
  • †Cystodictya
  • Cytherella

D

  • †Dalejina
  • †Dalmanella
    • †Dalmanella emacerata
    • †Dalmanella fertilis
    • †Dalmanella sulcata
  • †Dalmanophyllum
    • †Dalmanophyllum gainesi
    • †Dalmanophyllum herzeri
    • †Dalmanophyllum linguliferum
  • Fossilized calyx of the Carboniferous crinoid ("sea lily") Decadocrinus
    †Decadocrinus
    • †Decadocrinus scalaris
  • †Deceptrix
    • †Deceptrix hartsvillensis – or unidentified comparable form
    • †Deceptrix perminuta
  • †Declinognathodus
  • †Decoroproetus
    • †Decoroproetus parviusculus
  • †Deiroceras
    • †Deiroceras curdsvillense
  • †Dekayia
  • †Deliablastus
    • †Deliablastus cumberlandensis
  • †Deltoidospora
    • †Deltoidospora priddyi
  • †Densosporites
    • †Densosporites annulatus
    • †Densosporites glandulosus
    • †Densosporites sphaerotriangularis
  • †Dentiblastus
  • †Diabolocrinus
    • †Diabolocrinus vesperalis
  • †Dichocrinus
    • †Dichocrinus ficus – tentative report
    • †Dichocrinus gracilis
    • †Dichocrinus pocillum – tentative report
    • †Dichocrinus simplex
    • †Dichocrinus ulrichi
  • †Dictyophlois
    • †Dictyophlois reticulata
  • †Dictyotomaria
    • †Dictyotomaria nyi
  • †Dictyotriletes
    • †Dictyotriletes bireticulatus
  • †Dielasma
    • †Dielasma formosa
  • †Diestoceras
    • †Diestoceras indianense
  • †Diichnia
    • †Diichnia kentuckiensis
  • †Dilobella
  • †Dimegelasma
  • †Dimorphoceratoides
    • †Dimorphoceratoides adamsi – type locality for species
  • †Dinophyllum
    • †Dinophyllum hoskinsoni
    • †Dinophyllum stokesi
  • †Dinorthis
    • †Dinorthis pectinella
  • †Diorychopora
    • †Diorychopora tenuis
  • †Diploblastus
  • Cambrian graptolite Diplograptus
    †Diplograptus
  • †Disphyllum
    • †Disphyllum synaptophylloides
  • †Dizygocrinus
  • †Doleroides
  • †Dolichoharpes
  • †Donaldina
    • †Donaldina zadoe
  • †Dorycrinus
    • †Dorycrinus gouldi
    • †Dorycrinus quinquelobus
  • †Drymopora
    • †Drymopora fascicularis
  • †Dzhaprakoceras[1]
    • †Dzhaprakoceras brodheadense – type locality for species[1]

E

  • †Ectenocrinus
    • †Ectenocrinus simplex
  • †Edaphophyllum
    • †Edaphophyllum laciniatum – tentative report
  • †Edmondia
  • †Edrioaster
    • †Edrioaster bigsbyi
    • †Edrioaster priscus
  • †Emmonsia
    • †Emmonsia amplissima
    • †Emmonsia arbuscula
    • †Emmonsia bacula
    • †Emmonsia convexa
    • †Emmonsia emmonsi
    • †Emmonsia epidermata
    • †Emmonsia epidermi
    • †Emmonsia eximia
    • †Emmonsia radiciformis
    • †Emmonsia ramosa
    • †Emmonsia tuberosa
  • Fossilized shells and restored appearances of the Middle-Late Ordovician nautiloid cephalopod Endoceras
    †Endoceras
    • †Endoceras proteiformis
  • †Endothyra
    • †Endothyra baileyi
  • †Endothyranella
    • †Endothyranella inflata
    • †Endothyranella kentuckyensis
  • †Enoploura
    • †Enoploura punctata – or unidentified comparable form
  • †Entelophyllum
    • †Entelophyllum eruciforme
    • †Entelophyllum rugosum
    • †Entelophyllum strictum
  • Eocaudina
    • †Eocaudina gutschicki
    • †Eocaudina mccormacki
  • †Eochonetes
    • †Eochonetes clarksvillensis
  • †Eoleperditia
    • †Eoleperditia catheysensis – or unidentified comparable form
    • †Eoleperditia fabulites
  • †Eolissochonetes
    • †Eolissochonetes morsei
  • †Eopteria
    • †Eopteria conocardiformis
  • †Eospirifer
  • †Eotomaria
  • †Ephippioceras
    • †Ephippioceras ferratum
  • A living Equisetum, or horsetail
    †Equisetum
  • †Eratacrinus
    • †Eratacrinus coxanus
  • †Eremopteris
    • †Eremopteris gracilis
  • †Eretmocrinus
  • †Eridophyllum
    • †Eridophyllum archiaci
    • †Eridophyllum coagulatum
    • †Eridophyllum seriale
    • †Eridophyllum tumidulum
  • †Eridopora
  • †Eridorthis
    • †Eridorthis nicklesi
  • †Eridotrypa
    • †Eridotrypa briareus – or unidentified comparable form
    • †Eridotrypa mutabilis
  • †Escharopora
    • †Escharopora falciformis
    • †Escharopora hilli
    • †Escharopora nodulosa – or unidentified comparable form
  • †Etheridgella
    • †Etheridgella biconvexa – type locality for species
  • †Eucladocrinus
    • †Eucladocrinus millebrachiatus
  • †Euconospira
    • †Euconospira conula
  • †Eumetria
    • †Eumetria marcyi
    • †Eumetria vera
    • †Eumetria verneuiliana
    • †Eumetria verneuliana
  • †Eunema
    • †Eunema centralis
    • †Eunema helicteres
  • †Eunicites
  • †Eupachycrinus
    • †Eupachycrinus germanus
    • †Eupachycrinus spartarius
  • †Euphemites
    • †Euphemites randolphensis
  • †Euryocrinus
    • †Euryocrinus tennesseensis

F

G

  • †Galtiera
    • †Galtiera bostonensis
  • †Gastrioceras
    • †Gastrioceras magoffinense – type locality for species
  • †Gaulocrinus
    • †Gaulocrinus bordeni
    • †Gaulocrinus symmetros – type locality for species
    • †Gaulocrinus trantscholdi
    • †Gaulocrinus veryi
  • †Geniculograptus
    • †Geniculograptus typicalis
  • Fossilized calyx and partial stem of the Devonian-Carboniferous crinoid ("sea lily") Gilbertsocrinus
    †Gilbertsocrinus
    • †Gilbertsocrinus tuberculosus – tentative report
    • †Gilbertsocrinus tuberosus
    • †Gilbertsocrinus typus – tentative report
  • †Girtyella
    • †Girtyella brevilobata
    • †Girtyella turgida
  • †Glabrocingulum
    • †Glabrocingulum ellenae – type locality for species
  • †Globozyga
    • †Globozyga littonana
  • †Globulocystites
  • †Glossina
    • †Glossina nebraskensis
  • Assemblage of fossils of the Middle Ordovician-Silurian crinoid ("sea lily") Glyptocrinus
    †Glyptocrinus
    • †Glyptocrinus nodosus
  • †Glyptopleura
    • †Glyptopleura parvacostata
    • †Glyptopleura perbella
  • †Glyptopora
    • †Glyptopora sagenella
  • †Glyptorthis
    • †Glyptorthis insculpta
  • †Gnathodus
    • †Gnathodus bulbosus
    • †Gnathodus pseudosemiglaber
    • †Gnathodus semiglaber
    • †Gnathodus texanus
  • Fossilized shell of the Late Devonian-Late Triassic ammonoid cephalopod Goniatites
    †Goniatites
  • †Goniocyclus
  • †Gorbyoceras
    • †Gorbyoceras tetreauense – or unidentified comparable form
  • †Gordonaster
    • †Gordonaster brassfieldensis
  • †Gosseletina
    • †Gosseletina johnsoni
    • †Gosseletina subglobosa
  • †Grammysia – tentative report
  • †Granasporites
    • †Granasporites medius
  • †Granatocrinus
    • †Granatocrinus granulatus
  • †Granulatisporites
    • †Granulatisporites granularis
    • †Granulatisporites granulatus
    • †Granulatisporites pallidus
    • †Granulatisporites verrucosus
  • †Graptodictya
  • †Gravicalymene
    • †Gravicalymene hagani
  • †Grewingikia
    • †Grewingikia rustica
  • Multiple views of a fossil of the Ordovician horn coral Grewingkia
    †Grewingkia
  • †Grumosisporites
    • †Grumosisporites varioreticulatus
  • †Gyronema
    • †Gyronema pulchellum

H

  • †Hadroblastus
  • †Hallia
    • †Hallia strigata – tentative report
  • Fossil of the Ordovician bryozoan ("moss animal") Hallopora
    Close-up photograph of a fossil of the Ordovician bryozoan ("moss animal") Hallopora
    †Hallopora
    • †Hallopora multitabulata
    • †Hallopora onealli
  • †Halysiocrinus
    • †Halysiocrinus cumberlandensis
    • †Halysiocrinus dactylus
    • †Halysiocrinus tunicatus
  • Fossil of the Ordovician-Silurian tabulate coral Halysites
    †Halysites
    • †Halysites louisvillensis – type locality for species
    • †Halysites meandrinus – tentative report
    • †Halysites nitidus
  • †Haplistion
    • †Haplistion armstrongi
  • †Hapsiphyllum
    • †Hapsiphyllum cassedayi
    • †Hapsiphyllum cassedeyi
  • †Hebertella
    • †Hebertella alveolata
    • †Hebertella frankfortensis
    • †Hebertella occidentalis
    • †Hebertella parkensis
    • †Hebertella parksensis
    • †Hebertella sinuata
  • †Helicelasma
    • †Helicelasma rusticum
  • †Helicotoma
    • †Helicotoma planulatoides – type locality for species
  • †Heliolites
    • †Heliolites megastoma
    • †Heliolites romingeri
    • †Heliolites spongiosus
    • †Heliolites spongodes
    • †Heliolites subtubulatus
  • Fossil of the Middle Devonian horn coral Heliophyllum
    †Heliophyllum
    • †Heliophyllum alternatum
    • †Heliophyllum ethelanum
    • †Heliophyllum gurleyi
    • †Heliophyllum halli
    • †Heliophyllum infundibulum
    • †Heliophyllum insigne
    • †Heliophyllum tenuiseptatum
  • †Helminthochiton
    • †Helminthochiton blacki
  • †Hemiphragma
    • †Hemiphragma tenuimurale – or unidentified comparable form
  • †Hemitrypa
  • †Hesperorthis
    • †Hesperorthis tricenaria
  • †Heterophrentis
    • †Heterophrentis concava
    • †Heterophrentis foliata
    • †Heterophrentis simplex
    • †Heterophrentis subcompressa
  • †Heterorthina
    • †Heterorthina macfarlani
  • †Heterotrypa
    • †Heterotrypa frondosa – or unidentified comparable form
    • †Heterotrypa trentonensis
  • †Hierogramma
    • †Hierogramma jeffreyi
  • †Hindia
    • †Hindia parva
  • †Hippocardia
  • †Hiscobeccus
    • †Hiscobeccus capax
  • †Histocrinus
    • †Histocrinus coreyi
    • †Histocrinus stellatus – tentative report
  • †Hoareicardia
    • †Hoareicardia cunea
  • †Holcocrinus
    • †Holcocrinus nodobrachiatus
    • †Holcocrinus spinobrachiatus
  • Fossilized shells of the Ordovician-Carboniferous sea snail Holopea
    †Holopea
    • †Holopea insignis
    • †Holopea parvula – or unidentified comparable form
  • †Holtedahlina
    • †Holtedahlina sulcata
  • †Homaloneura – type locality for genus
    • †Homaloneura redbirdi – type locality for species
  • †Homotelus
  • †Homotrypa
    • †Homotrypa callosa
    • †Homotrypa similis
  • †Hormotoma
    • †Hormotoma gracilis
  • †Hudsonospongia
  • †Hustedia
    • †Hustedia miseri – or unidentified comparable form
    • †Hustedia mormoni – or unidentified comparable form
  • †Hybocrinus
    • †Hybocrinus tumidus
  • †Hybocystites
    • †Hybocystites problematicus
  • †Hylodecrinus
    • †Hylodecrinus asper
    • †Hylodecrinus bonoensis
    • †Hylodecrinus briareus – tentative report
    • †Hylodecrinus sculptus
Fossilized shells of the Cambrian-Permian brachiopod relative Hyolitha

†Hyolithes

    • †Hyolithes parviuscula
  • †Hypergonia
    • †Hypergonia marvinwelleri
  • †Hypselocrinus
    • †Hypselocrinus campanulus
    • †Hypselocrinus hoveyi

I

  • †Ianthinopsis
    • †Ianthinopsis medialis
  • †Idiognathoides
  • †Imitoceras
  • Fossil of the Ordovician crinoid ("sea lily") Iocrinus
    †Iocrinus
  • †Ischyrodonta
    • †Ischyrodonta elongata – tentative report
    • †Ischyrodonta modioliformis
  • †Isochilina
    • †Isochilina ampla – or unidentified comparable form
  • †Isorophus
    • †Isorophus cincinnatiensis
  • †Isorthoceras
    • †Isorthoceras albersi – type locality for species
  • Fossil of the Middle-Late Ordovician giant trilobite Isotelus.
    †Isotelus

J

  • †Jonesella
    • †Jonesella crepidiformis
    • †Jonesella obscura – or unidentified related form

K

  • †Kalymma
    • †Kalymma auriculata
    • †Kalymma grandis
    • †Kalymma hippocrepis
    • †Kalymma lirata
    • †Kalymma minuta
    • †Kalymma resinosa
  • †Kaskia
    • †Kaskia chesterensis
  • †Kazakhstania
    • †Kazakhstania colubrella
    • †Kazakhstania mangeri
  • †Ketophyllum
    • †Ketophyllum intertrium
  • †Kinkaidia – type locality for genus
    • †Kinkaidia cancellata – type locality for species
  • †Kirkbya
  • †Kodonophyllum
    • †Kodonophyllum vadum
  • †Krausella

L

  • †Labechia
    • †Labechia huronensis
  • †Laccoprimitia
    • †Laccoprimitia centralis
  • †Lambeophyllum – tentative report
  • †Lamprophyllum
    • †Lamprophyllum niagarense
  • †Lanecrinus
    • †Lanecrinus depressus
    • †Lanecrinus repertus
  • †Lanthanaster
    • †Lanthanaster intermedius
  • †Laphamoceras
    • †Laphamoceras scofieldi – or unidentified comparable form
  • †Lecocrinus
    • †Lecocrinus springeri
  • †Lekocrinus
    • †Lekocrinus planibrachiatus
  • †Leperditella
    • †Leperditella glabra
  • †Leperditia
    • †Leperditia caecigena
  • †Lepidocoleus
  • Restoration of the Carboniferous-Late Triassic club moss relative Lepidodendron. Eli Heimans (1911).
    †Lepidodendron
    • †Lepidodendron aculeatum – or unidentified comparable form
    • †Lepidodendron baylense
    • †Lepidodendron boylensis
    • †Lepidodendron noralbaniense
    • †Lepidodendron volkmannianum
  • †Lepidophylloides
    • †Lepidophylloides longifolium
  • †Lepidostrobophyllum
    • †Lepidostrobophyllum lanceolatum
  • †Lepidostrobus
    • †Lepidostrobus fisheri
    • †Lepidostrobus kentuckiensis
    • †Lepidostrobus ornatus – tentative report
    • †Lepidostrobus shopfii – type locality for species
  • †Leptaena
    • †Leptaena gibbosa
    • †Leptaena kentuckiana – type locality for species
    • †Leptaena richmondensis
  • †Levizygopleura
    • †Levizygopleura inornata
  • Illustration of a fossilized shell of the Cambrian-Late Ordovician brachiopod Lingulella
    †Lingulella
  • †Linoproductus
    • †Linoproductus cora
  • †Liospira
    • †Liospira decipens
    • †Liospira micula
    • †Liospira progne
    • †Liospira vitruvia
  • †Liroceras
  • †Listrochiton – type locality for genus
    • †Listrochiton weiri – type locality for species
  • Lithophaga – tentative report
  • †Litostrobus
    • †Litostrobus iowensis – or unidentified comparable form
  • †Lophophyllidium
    • †Lophophyllidium proliferum
  • †Lophospira
    • †Lophospira abnormis
    • †Lophospira decursa – or unidentified comparable form
    • †Lophospira milleri
    • †Lophospira obliqua
    • †Lophospira perangulata
    • †Lophospira type locality for species A – informal
  • †Lophotriletes
    • †Lophotriletes gibbosus
  • †Loxobucania
    • †Loxobucania lindsleyi – type locality for species
    • †Loxobucania nashvillensis
    • †Loxobucania singularis – type locality for species
  • †Loxonema
    • †Loxonema nitida
  • †Loxoplocus
  • †Lycopogenia
    • †Lycopogenia callicyrta
  • †Lycospora
    • †Lycospora granulata
    • †Lycospora micropapillata
    • †Lycospora pellucida
    • †Lycospora pusilla
    • †Lycospora rotunda
    • †Lycospora subjuga
  • †Lyrodesma
    • †Lyrodesma acuminatum – or unidentified comparable form
    • †Lyrodesma inornatum – tentative report

M

  • †Maclurites
  • †Macrocrinus
    • †Macrocrinus konincki
    • †Macrocrinus mundulus
    • †Macrocrinus verneuillianus
  • †Macurdablastus
    • †Macurdablastus uniplicatus
  • †Maelonoceras
    • †Maelonoceras praematurum – or unidentified comparable form
  • †Magnuscrinus
    • †Magnuscrinus kammeri
    • †Magnuscrinus praegravis
  • †Marginatia
  • †Marginicinctus
  • †Marginifera
  • †Mariopteris
    • †Mariopteris nervosa
  • †Masonoceras – type locality for genus
    • †Masonoceras kentuckiense – type locality for species
  • †Maximites
    • †Maximites nassichuki – type locality for species
  • †Meekopora
    • †Meekopora eximia
  • †Meekospira
    • †Meekospira evansvillensis
    • †Meekospira minuta
    • †Meekospira mississippiensis
    • †Meekospira peracuta
  • †Megalaspidae – tentative report
    • †Megalaspidae pygidium – informal
  • †Megalomphala
    • †Megalomphala crassa
  • †Meniscocrinus
  • Illustration (lower right, entry 15) of a fossilized shell in front and side views of the Silurian-Late Devonian brachiopod Meristella
    †Meristella
    • †Meristella nasuta
  • †Meristina – tentative report
  • †Meristoschisma
    • †Meristoschisma hudsoni
  • †Merocanites
  • †Merocrinus
  • †Mesocyridira
    • †Mesocyridira flagrocosta
    • †Mesocyridira washingtonensis
  • †Mesopalaeaster
    • †Mesopalaeaster finei
  • †Mesopilocrinus – tentative report
    • †Mesopilocrinus romingeri
  • †Mesotrypa
  • †Mespilocrinus
    • †Mespilocrinus kentuckyensis – type locality for species
    • †Mespilocrinus myllos
    • †Mespilocrinus romingeri
  • †Metablastus
    • †Metablastus bipyramidalis
    • †Metablastus wortheni
  • †Metacromyocrinus
    • †Metacromyocrinus oklahomenisis
  • †Metichthyocrinus
    • †Metichthyocrinus clarkensis
    • †Metichthyocrinus tiaraeformis
  • †Michelinia
  • †Michelinoceras
  • †Micnoceras – or unidentified comparable form
  • †Microceras – tentative report
  • †Micromphalus – type locality for genus
    • †Micromphalus turris – type locality for species
  • †Micropileus
    • †Micropileus variabilis
  • †Microzygia
    • †Microzygia lacunosa
  • †Milleratia
    • †Milleratia shideleri – or unidentified related form
  • †Mimella
  • †Mitrospermum
    • †Mitrospermum compressum
  • †Modiolodon
    • †Modiolodon oviformis
  • †Modiolopsis
    • †Modiolopsis modiolaris
  • †Monomuchites
    • †Monomuchites annularis – type locality for species
    • †Monomuchites costalis – or unidentified comparable form
    • †Monomuchites obliquum – type locality for species
  • †Monticulipora
  • †Mourlonia
  • †Muensteroceras
    • †Muensteroceras oweni
  • †Murchisonia
  • †Murinella – tentative report
  • †Murrayoceras
    • †Murrayoceras murrayi – or unidentified comparable form

N

  • †Nannillaneus
  • †Neoicoceras
    • †Neoicoceras elkhornense – type locality for species
  • Fossilized shell of the Carboniferous-Permian brachiopod Neospirifer
    †Neospirifer
  • †Neozaphrentis
  • †Neuropteris
  • †Nipterocrinus
    • †Nipterocrinus monroensis
  • †Nucleospira – tentative report
  • Nuculana
    • †Nuculana belliostriata
  • †Nucularca
    • †Nucularca cingulata
    • †Nucularca pectunculoides – or unidentified related form
  • †Nuculites
    • †Nuculites fabula
  • †Nuculopsis
    • †Nuculopsis girtyi
    • †Nuculopsis subrotunda
  • †Nyctopora – tentative report

O

  • †Octonaria
    • †Octonaria bicava
  • †Odontophyllum
    • †Odontophyllum convergens
    • †Odontophyllum patellatum
    • †Odontophyllum tornatum
  • †Oepikina
    • †Oepikina minnesotensis
  • †Oliganisus
  • †Oncoceras
    • †Oncoceras major – type locality for species
    • †Oncoceras multicameratum
  • †Onniella
  • Fossil of the Carboniferous crinoid ("sea lily") Onychocrinus
    †Onychocrinus
    • †Onychocrinus grandis – type locality for species
    • †Onychocrinus pulaskiensis
  • †Orbiculoidea
    • †Orbiculoidea convexa
    • †Orbiculoidea manhattensis
  • †Orbitremites
    • †Orbitremites coralridgensis – type locality for species
    • †Orbitremites kentuckyensis – type locality for species
    • †Orbitremites oppelti
  • †Ordogeisonoceras
    • †Ordogeisonoceras amplicameratum – type locality for species
  • †Ormoceras
    • †Ormoceras ferecentricum – type locality for species
  • †Orthis
    • †Orthis testudinaria
  • †Orthoceras
  • †Orthodesma
  • †Orthonybyoceras
  • †Orthonychia
    • †Orthonychia chesterense
  • †Orthorhynchula
    • †Orthorhynchula linneyi
    • †Orthorhynchula sublinneyi
  • †Orthotetes
  • †Ovatia

P

  • †Pachydictya
  • †Pachyglossella
  • †Pachylocrinus
    • †Pachylocrinus aequalis
  • †Palaeacis
    • †Palaeacis cuniformis
  • †Palaeocapulus
    • †Palaeocapulus acutirostre
  • †Palaeocaudina
    • †Palaeocaudina kansasensis
  • †Palaeoconcha
    • †Palaeoconcha obliqua
  • †Palaeocrinus
    • †Palaeocrinus avondalensis
    • †Palaeocrinus planobasalis
  • †Palaeoneila
  • †Palaeoneilo
    • †Palaeoneilo socialis
  • †Palaeopteria
    • †Palaeopteria parvula – or unidentified related form
  • †Palaeostylus – tentative report
  • †Palaeozygopleura
    • †Palaeozygopleura delphicola
  • †Paleofavosites
    • †Paleofavosites prolificus
  • †Paracyrtolites
    • †Paracyrtolites parvus – type locality for species
    • †Paracyrtolites subplanus
  • †Paradichocrinus
    • †Paradichocrinus liratus
    • †Paradichocrinus planus
    • †Paradichocrinus polydactylus
    • †Paradichocrinus ramus
    • †Paradichocrinus sculptus
  • †Paragassizocrinus
    • †Paragassizocrinus disculus – or unidentified comparable form
    • †Paragassizocrinus kendrickensis
    • †Paragassizocrinus turris – or unidentified comparable form
  • †Paraliospira – tentative report
    • †Paraliospira mundula – type locality for species
  • †Paraparchites
    • †Paraparchites subcircularis
  • †Parascytalocrinus
    • †Parascytalocrinus hamiltonensis
    • †Parascytalocrinus pentagonus
  • †Parisocrinus – tentative report
  • †Parvohallopora
    • †Parvohallopora onealli
    • †Parvohallopora ramosa
  • †Patellilabia
    • †Patellilabia chesterensis
  • †Patellostium
  • †Pattersonia
    • †Pattersonia aurita
    • †Pattersonia tuberosa
  • †Paupospira
    • †Paupospira bowdeni
    • †Paupospira burginensis
    • †Paupospira oweni
    • †Paupospira sumnerensis
    • †Paupospira tenuistriata
    • †Paupospira tropidophora
  • †Pecopteris
  • †Pelecocrinus
    • †Pelecocrinus type locality for species – informal
  • †Pellecrinus
    • †Pellecrinus obuncus
  • †Pentagonia
    • †Pentagonia biplicata
  • †Pentamerus
  • Fossilized theca of the Carboniferous blastoid echinoderm ("sea bud") Pentremites
    †Pentremites
    • †Pentremites abruptus
    • †Pentremites clavatus
    • †Pentremites conoideus
    • †Pentremites elegans
    • †Pentremites girtyi
    • †Pentremites godoni
    • †Pentremites halli
    • †Pentremites okawensis
    • †Pentremites platybasis
    • †Pentremites princetonensis – or unidentified comparable form
    • †Pentremites pyramidatus
    • †Pentremites pyriformis
    • †Pentremites spicatus
    • †Pentremites springeri
    • †Pentremites symmetricus
    • †Pentremites tulipaformis
    • †Pentremites tulipiaformis
    • †Pentremites welleri
  • †Perditocardinia
    • †Perditocardinia dubia
  • †Periastron
    • †Periastron perforatum
    • †Periastron reticulatum
    • †Periastron reticulum
  • †Pericyclus
  • †Peripristis
    • †Peripristis semicircularis
  • †Permophorus
  • †Peronopora
    • †Peronopora decipiens – or unidentified comparable form
    • †Peronopora granulifera – or unidentified comparable form
    • †Peronopora milleri
  • †Petrocrania
    • †Petrocrania scabiosa
  • †Petropegia
    • †Petropegia radiata – type locality for species
    • †Petropegia spinosa – type locality for species
  • †Phaneroceras
    • †Phaneroceras chesnuti – type locality for species
  • †Phanocrinus
    • †Phanocrinus parvaramus
  • †Phestia
    • †Phestia prolongata
  • †Phillibole
  • †Phillipsia
    • †Phillipsia bufo
  • †Phragmolites
    • †Phragmolites bellulus – type locality for species
    • †Phragmolites compressus – type locality for species
  • †Phymatophyllum
    • †Phymatophyllum nanum
  • †Phytokneme
    • †Phytokneme rhodona
  • †Pietzschia
    • †Pietzschia polyupsilon
  • †Pionodema
    • †Pionodema rectimarginata
  • †Pionomena
    • †Pionomena recens
  • †Pithodea
    • †Pithodea americana
  • †Pitys
    • †Pitys brownii
  • Fossilized shell of the Ordovician brachiopod Plaesiomys
    †Plaesiomys
    • †Plaesiomys subquadrata
    • †Plaesiomys subquatra
  • †Planalvus
    • †Planalvus densa
  • †Planisporites
    • †Planisporites granifer
  • †Planoendothyra
    • †Planoendothyra whitesidei – or unidentified comparable form
  • †Plasmopora
    • †Plasmopora elegans
    • †Plasmopora follis
  • †Platyaxum
    • †Platyaxum foliatum
    • †Platyaxum frondosum
    • †Platyaxum orthosoleniskum
    • †Platyaxum undosum
  • †Platyceras
  • Three fossilized calyces of the Devonian-Permian crinoid ("sea lily") Platycrinites
    †Platycrinites
    • †Platycrinites bonoensis
    • †Platycrinites georgii
    • †Platycrinites glyptus
    • †Platycrinites hemisphaericus
    • †Platycrinites hemisphericus – tentative report
    • †Platycrinites planus
    • †Platycrinites sculptus
    • †Platycrinites spinifer
  • †Platylichas
    • †Platylichas halli
  • Fossilized shell of the Middle Ordovician-Silurian brachiopod Platystrophia
    †Platystrophia
  • †Plectambonites
    • †Plectambonites plicatellus
  • †Plectocamara
  • †Plectoceras
    • †Plectoceras carletonense – or unidentified comparable form
  • †Plectorthis
    • †Plectorthis aequivalvis
    • †Plectorthis fissicosta
    • †Plectorthis plicatella
  • †Plectospira
  • Fossil of the Silurian-Carboniferous tabulate coral Pleurodictyum
    †Pleurodictyum
    • †Pleurodictyum cylindricum
    • †Pleurodictyum insigne
    • †Pleurodictyum louisvillensis
    • †Pleurodictyum maximum
    • †Pleurodictyum planum
    • †Pleurodictyum wardi
  • Pleurotomaria
  • †Plicodendrocrinus
    • †Plicodendrocrinus casei
  • †Plicorachis
    • †Plicorachis danvillensis
  • †Pojetaconcha
    • †Pojetaconcha cressmani
  • †Pojetoceras – type locality for genus
    • †Pojetoceras floweri – type locality for species
  • †Polaricyclus
    • †Polaricyclus ballardensis
    • †Polaricyclus bordenensis – type locality for species
    • †Polaricyclus conkini – type locality for species
  • †Polygnathus
  • †Polygrammoceras
  • †Polypora
    • †Polypora simulatrix
  • †Portlockiella – type locality for genus
    • †Portlockiella kentuckyensis – type locality for species
  • †Poteriocrinites
    • †Poteriocrinites horowitzi
  • †Prasopora
    • †Prasopora falesi
    • †Prasopora hospitalis
    • †Prasopora simulatrix
  • †Primaspis
  • †Prismopora
    • †Prismopora serrulata
  • †Productus
    • †Productus cestriensis
  • Restoration of the Silurian trilobite Proetus
    †Proetus
  • †Prolecanites
    • †Prolecanites lyoni
  • †Propora
    • †Propora eminula
    • †Propora glabra
    • †Propora papillata
    • †Propora puella
  • †Protaraea
    • †Protaraea richmondensis
  • †Proteoceras
    • †Proteoceras tyronensis – type locality for species
  • †Protocyathactis
    • †Protocyathactis cybaeus – or unidentified comparable form
  • †Protosalvinia
    • †Protosalvinia arnoldii
    • †Protosalvinia furcata
    • †Protosalvinia rarenna
    • †Protosalvinia ravenna
  • Restoration based on the "Schunnemunk tree" fossil of the Silurian-Late Devonian tree-like probable fungus Prototaxites
    †Prototaxites
    • †Prototaxites ortoni
  • †Protozyga – tentative report
  • †Pseudobigalea
    • †Pseudobigalea crista
  • †Pseudoconocardium
  • †Pseudolingula
  • †Pseudomulceodens
    • †Pseudomulceodens cancellatus
  • †Pseudopolygnathus
    • †Pseudopolygnathus multistriatus
  • †Pseudorthoceras
    • †Pseudorthoceras knoxense
  • †Pseudozygopleura
    • †Pseudozygopleura deloi – or unidentified comparable form
    • †Pseudozygopleura lanceolatus
    • †Pseudozygopleura macra – or unidentified comparable form
    • †Pseudozygopleura scitula
    • †Pseudozygopleura semicostata
  • †Pterinea
    • †Pterinea demissa
  • †Pterotheca
    • †Pterotheca angusta
    • †Pterotheca expansa
  • †Pterotocrinus
    • †Pterotocrinus acutus
    • †Pterotocrinus armatus
    • †Pterotocrinus bifurcatus
    • †Pterotocrinus capitalis
    • †Pterotocrinus depressus
    • †Pterotocrinus lingulaformis
    • †Pterotocrinus spatulatus
  • †Ptychocrinus
  • †Punctatisporites
    • †Punctatisporites irrasus
    • †Punctatisporites minutus
  • †Punctospirifer
    • †Punctospirifer transversus
  • †Pustulatisporites
    • †Pustulatisporites crenatus
  • †Pycnactis
    • †Pycnactis tenuiseptatus

Q

  • †Quadratia
  • †Quepora
    • †Quepora huronensis
    • †Quepora louisvillensis – type locality for species

R

  • †Rafinesquina
    • †Rafinesquina alternata
    • †Rafinesquina ponderosa
    • †Rafinesquina trentonensis
    • †Rafinesquina winchesterensis
  • †Raistrickia
    • †Raistrickia breveminens
    • †Raistrickia crocea
  • †Raphistoma
  • †Raphistomina
    • †Raphistomina lapicida
  • †Rectifenestella
    • †Rectifenestella tenax
  • †Reinschospora
    • †Reinschospora triangularis
  • †Renisporites
    • †Renisporites confossus
  • †Resserella
  • †Reticulariina
    • †Reticulariina salemensis
    • †Reticulariina spinosa
  • †Reticulatisporites
    • †Reticulatisporites muricatus
  • †Retispira
    • †Retispira ornatus
  • †Rhabdocyclus
    • †Rhabdocyclus scutellus
  • †Rhegmaphyllum
    • †Rhegmaphyllum daytonensis
  • †Rhineoderma
    • †Rhineoderma wortheni
  • †Rhinidictya
  • †Rhipidomella
    • †Rhipidomella dubia
  • †Rhizophyllum
    • †Rhizophyllum attenuatum
    • †Rhizophyllum corniculum
  • †Rhodocrinites
    • †Rhodocrinites barrisi
  • †Rhombopora
    • †Rhombopora incrassata
  • †Rhombotrypa
    • †Rhombotrypa quadrata
  • †Rhynchopora
    • †Rhynchopora beecheri
  • †Rhynchotrema
    • †Rhynchotrema dentatum
    • †Rhynchotrema increbescens
    • †Rhynchotrema kentuckiensis
  • †Rhytiodentalium
    • †Rhytiodentalium kentuckyensis
  • †Rhytiophora
  • †Romingerella
    • †Romingerella major
  • †Romingeria
    • †Romingeria cummunata
    • †Romingeria umbellifera
    • †Romingeria vannula
  • Rostricellula
    • †Rostricellula minuta
  • †Ruedemannia
    • †Ruedemannia lirata
  • †Rugomena
    • †Rugomena vetusta
  • †Rugosochonetes

S

  • †Saffordophyllum
    • †Saffordophyllum floweri
  • †Salpingostoma
    • †Salpingostoma kentuckyense
  • †Salterospira
    • †Salterospira chesterensis
  • †Sarocrinus
    • †Sarocrinus varsoviensis
  • †Savagellites – tentative report
    • †Savagellites lindahli
  • †Savitrisporites
    • †Savitrisporites nux
  • †Scalites
    • †Scalites peracutum
  • †Scenophyllum
    • †Scenophyllum coniferum – tentative report
  • †Schizocrania
  • †Schizodus
  • †Schizophaulactis
    • †Schizophaulactis densiseptatus
  • †Schlotheimophyllum
    • †Schlotheimophyllum fulcratum
    • †Schlotheimophyllum ipomaea
  • †Schuchertella
    • †Schuchertella costatula
    • †Schuchertella minuta
  • Fossilized calyx of the Carboniferous crinoid ("sea lily") Scytalocrinus
    †Scytalocrinus
    • †Scytalocrinus decadactylus
    • †Scytalocrinus robustus
  • †Seminula
    • †Seminula subtilita
  • †Septimyalina
  • †Setigerites
    • †Setigerites setiger
  • †Sevillea
    • †Sevillea trinucleata – or unidentified related form
  • †Siderella
    • †Siderella scotti
  • †Similodonta
    • †Similodonta hermitagensis – or unidentified related form
  • †Sinuites
    • †Sinuites cancellatus
    • †Sinuites globularis
    • †Sinuites granistriatus
    • †Sinuites obesa
    • †Sinuites pervoluta
    • †Sinuites planodorsatus – type locality for species
  • †Sinuitina
  • †Sinuspores
    • †Sinuspores sinuatus
  • †Siphonophrentis
    • †Siphonophrentis halli
  • †Soleniscus
    • †Soleniscus gracilis
    • †Soleniscus texanus
  • Fossils of the red alga Solenopora
    †Solenopora
  • †Sowerbyella
    • †Sowerbyella curdsvillensis
    • †Sowerbyella grierensis – type locality for species
    • †Sowerbyella rugosa
  • †Sowerbyites
  • †Spackmanites
    • †Spackmanites habibii
  • †Sphenophyllum
  • Fossilized foliage of the Late-Devonian-Cretaceous seed fern Sphenopteris
    †Sphenopteris
    • †Sphenopteris amoena
    • †Sphenopteris obtusiloba
  • †Sphenosphaera
    • †Sphenosphaera bilineatus – type locality for species
    • †Sphenosphaera burginensis
    • †Sphenosphaera capax
    • †Sphenosphaera mohri
    • †Sphenosphaera recurvus
    • †Sphenosphaera rogersensis
    • †Sphenosphaera troosti
  • †Sphenothallus
  • †Spicuchelodes
    • †Spicuchelodes cressmani
  • Fossilized shell of the Late Ordovician-Late Triassic brachiopod Spirifer
    †Spirifer
    • †Spirifer bifurcatus
    • †Spirifer increbescens
    • †Spirifer keokuk
    • †Spirifer lateralis
    • †Spirifer rockymontanus
    • †Spirifer subaequalis
    • †Spirifer tenuicostatus
    • †Spirifer washingtonensis
  • †Spiriferellina – tentative report
  • †Spiriferina
    • †Spiriferina subelliptica
  • †Sporangites
    • †Sporangites huronensis
  • †Springericrinus
    • †Springericrinus magniventrus
  • †Stauropteris
    • †Stauropteris biseriata
  • †Stegacanthia
  • †Stegocoelia
    • †Stegocoelia kentuckiensis
  • †Steloxylon
    • †Steloxylon irvingense
    • †Steloxylon santaecrucis
  • Fossils of the Ordovician-Silurian brittle star Stenaster
    †Stenaster
    • †Stenaster obtusus – or unidentified comparable form
  • †Stenomyelon
    • †Stenomyelon muratum
  • †Stenopora
  • †Stenoscisma
    • †Stenoscisma explanatum
  • †Stephanozyga
    • †Stephanozyga nodosa
  • †Stereolasma
    • †Stereolasma gallicalcar
    • †Stereolasma rectum
  • †Stereopteris
    • †Stereopteris annularis
  • †Stictopora
    • †Stictopora neglecta
  • Fossil preserved in situ of a Carboniferous tree-like club moss relative with attached Stigmaria rhizome system
    †Stigmaria
    • †Stigmaria ficoides
    • †Stigmaria wedingtonensis
  • †Stigmatella
    • †Stigmatella conica – or unidentified comparable form
    • †Stigmatella multispinosa
  • †Stinocrinus
    • †Stinocrinus granulosus
  • Stomatopora
    • †Stomatopora arachnoidea
  • †Straparollus
    • †Straparollus spergenensis
  • †Streblochondria
  • †Streblopteria
  • †Streptelasma
    • †Streptelasma angulatum
    • †Streptelasma divaricans
    • †Streptelasma obliquum
    • †Streptelasma scoleciforme
    • †Streptelasma subvesiculare – tentative report
  • †Striatopora
    • †Striatopora huronensis
  • †Strobeus
    • †Strobeus paludinaeformis – or unidentified comparable form
  • †Stromatocerium
    • †Stromatocerium huronense
  • †Strombodes
    • †Strombodes shumardi
  • Fossilized shell of the Ordovician-Silurian brachiopod Strophomena
    †Strophomena
  • †Strophostylus
    • †Strophostylus chesterensis
    • †Strophostylus wortheni
  • †Subulites
    • †Subulites parvus – type locality for species
  • †Sulcoretepora
    • †Sulcoretepora lineata
  • †Synbathocrinus
    • †Synbathocrinus angularis
    • †Synbathocrinus dentatus
    • †Synbathocrinus robustus
    • †Synbathocrinus swallovi
  • †Syringolites
    • †Syringolites vesiculosus
  • Fossil of the Devonian tabulate coral Syringopora
    †Syringopora
    • †Syringopora hisingeri
    • †Syringopora monroensis
    • †Syringopora perelegans

T

  • †Tabulipora
    • †Tabulipora cestriensis
    • †Tabulipora penerudis
    • †Tabulipora ramosa
  • †Talarocrinus
    • †Talarocrinus simplex
  • †Tancrediopsis
    • †Tancrediopsis cuneata
  • †Tarphophragma
    • †Tarphophragma multitabulata
  • Fossil of the Silurian-Carboniferous crinoid ("sea lily") Taxocrinus (right)
    †Taxocrinus
    • †Taxocrinus colletti
    • †Taxocrinus pustulosus
  • †Technophorus
    • †Technophorus cincinnatiense
    • †Technophorus faberi
    • †Technophorus punctostriatus
  • †Teichochilina – tentative report
  • †Temnodiscus
    • †Temnodiscus nitidula
  • †Tetracamera
    • †Tetracamera arctirostrata
    • †Tetracamera grosvenori
    • †Tetracamera mutata
    • †Tetracamera subcuneata
  • †Tetradium
    • †Tetradium approximatum
    • †Tetradium cellulosum – or unidentified comparable form
  • †Tetranota
    • †Tetranota obsoleta
  • †Thamniscus
  • †Thamnopora
    • †Thamnopora limitaris
  • †Thamnoptychia
    • †Thamnoptychia alternans
    • †Thamnoptychia vermiculosa
  • †Thecia
    • †Thecia minor
  • †Theelia
    • †Theelia hexacneme – type locality for species
  • †Thinocrinus
    • †Thinocrinus lowei
  • †Thuroholia
    • †Thuroholia croneisi
    • †Thuroholia floydensis – type locality for species
    • †Thuroholia irregularis – type locality for species
    • †Thuroholia wanlessi – type locality for species
  • †Toichochilina
  • †Torynifer
    • †Torynifer pseudolineatus
    • †Torynifer setigera
  • †Trematis
  • †Trepospira
    • †Trepospira depressa
    • †Trepospira illinoisensis
  • Fossilized shell of the Ordovician nautiloid cephalopod Treptoceras
    †Treptoceras
    • †Treptoceras cincinnatiensis
    • †Treptoceras duseri
    • †Treptoceras transversum
  • †Triarthrus
  • †Triboloporus
    • †Triboloporus cryptoplicatus
  • †Triendoceras – tentative report
    • †Triendoceras davisi – type locality for species
  • †Trigonocarpus
  • †Trigonodictya
    • †Trigonodictya acuta
  • †Trocholites
    • †Trocholites faberi
  • †Trochonema
    • †Trochonema canadensis
    • †Trochonema subcrassum
  • †Trochonemella
    • †Trochonemella notablis
  • †Trochophyllum
  • †Tropidodiscus
  • †Tryplasma
    • †Tryplasma cylindrica
    • †Tryplasma mitella
    • †Tryplasma prava
    • †Tryplasma radicula

U

  • †Ulodendron
    • †Ulodendron majus
  • †Ulrichia
    • †Ulrichia nodosa
  • Fossilized calyx ad partial stem of the Carboniferous crinoid ("sea lily") Ulrichicrinus
    †Ulrichicrinus
    • †Ulrichicrinus agnatus
  • †Ulrichocystis
    • †Ulrichocystis eximia
  • †Undulabucania
    • †Undulabucania punctifrons
  • †Uperocrinus
    • †Uperocrinus acuminatus – type locality for species
    • †Uperocrinus nashvillae
    • †Uperocrinus pyriformis
    • †Uperocrinus robustus

V

  • †Vaginoceras
  • †Vallatotheca
    • †Vallatotheca unguiformis
  • †Vanuxemia
    • †Vanuxemia dixonensis – or unidentified related form
    • †Vanuxemia gibbosa
    • †Vanuxemia nana – or unidentified comparable form
    • †Vanuxemia sardesoni – or unidentified related form
  • †Verrucosisporites
    • †Verrucosisporites microtuberosus
  • †Vestispora
    • †Vestispora costata
  • †Volsellina
    • †Volsellina subelliptica
  • †Vorticina
    • †Vorticina anneae – type locality for species

W

  • †Waagenella
    • †Waagenella claxtonensis
  • †Wachsmuthicrinus
    • †Wachsmuthicrinus spinosulus
    • †Wachsmuthicrinus spinulosus
  • †Warthinia
    • †Warthinia nodosa
  • †Weissistachys
    • †Weissistachys kentuckiensis
  • †Wellergyi – type locality for genus
    • †Wellergyi chesterensis
  • †Whiteavesia
  • †Wilsonites
    • †Wilsonites circularis
    • †Wilsonites vesicatus
  • †Winchelloceras
    • †Winchelloceras allei
    • †Winchelloceras knappi – type locality for species
  • †Worthenia
    • †Worthenia tabulata
  • †Worthenocrinus
    • †Worthenocrinus hardinensis
  • †Worthenopora

X

  • †Xenocrinus
  • †Xyeleblastus
    • †Xyeleblastus magnificus

Z

  • †Zadelsdorfia – tentative report
  • †Zaphrenthis
    • †Zaphrenthis amplexiformis – tentative report
  • †Zygospira
    • †Zygospira cincinnatiensis
    • †Zygospira kentuckyensis
    • †Zygospira lebanonensis
    • †Zygospira modesta

References

  1. ^ a b c d David M. Work; Charles E. Mason (2019). "Mississippian (latest Tournaisian; middle Osagean) ammonoids from the Nancy Member of the Borden Formation, east-central Kentucky". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 293 (3): 325–342. doi:10.1127/njgpa/2019/0844.