List of the Paleozoic life of Alaska

• †Abadehella • †Acanthocladia • †Acanthopecten • †Acanthopecten carbonifer – or unidentified related form • †Acanthopecten delawarensis – or unidentified related form • †Acanthophyllum • †Acanthopyge'' • †Acervularia • †Aclisina – tentative report • †Acmarhachis • †Acmarhachis acutus • †Acrosaccus • †Acrosaccus shuleri – or unidentified comparable form • †Acrothele • †Actinocystis – tentative report • †Actinocystis perfecta – or unidentified comparable form • †Actinostroma • †Adolfispirifer • †Adolfispirifer sanjuanensis • †Afilasma • †Agathammina • †Agetolites • †Aglaoglypta • †Agoniatites'' – tentative report • †Akidograptus • †Akidograptus acuminatus • †Alaskacirrus – type locality for genus • †Alaskacirrus bandeli – type locality for species • †Alaskaspongia • †Alaskaspongia nana • †Alaskaspongiella – type locality for genus • †Alaskaspongiella laminosa – type locality for species • †Alaskiella – type locality for genus • †Alaskiella medfraensis – type locality for species • †Alaskodiscus • †Alaskodiscus donensis • †Alaskospira • †Alaskospira dunbari • †Alaskozygopleura • †Alaskozygopleura crassicostata • †Albaillella • †Albaillella cartalla – or unidentified related form • †Aldanispirifer • †Allonema • †Allonema silurica • †Allorhynchoides – type locality for genus • †Allorhynchoides kirki – type locality for species • †Alokistocare – or unidentified comparable form • †Alokistocare lobatum • †Alveolitella • †Alveolites • †Amblysiphonella • †Ambocoelia • †Ambocoelia planiconvexa – or unidentified related form • †Ambocoelia umbonata • †Amoenospirifer • †Amoenospirifer angustiplicata • †Amoenospirifer sulcalplicata • †Amphipora • †Amplexograptus • †Amplexograptus confertus – or unidentified comparable form • †Amplexograptus perexcavatus – or unidentified comparable form • †Amplexoides • †Amplexus • †Anatrypa • †Anatrypa alinensis – or unidentified related form • †Anatrypa khavae – or unidentified comparable form • †Ancillotoechia • †Ancillotoechia antiquaria • †Ancyrognathus • †Ancyrognathus amana – or unidentified comparable form • †Anematina • †Anematina rockymontanum • †Anemonaria • †Anemonaria pseudohorrida • †Angullongia • †Angullongia minuta • †Anidanthus • †Anisopleurella • †Anisopleurella tricostata – type locality for species • †Anisotrypa – tentative report • †Anomalograptus • †Anomphalus – tentative report • †Anopolenus • †Anopolenus henrici • †Anoptambonites • †Anoptambonites grayae • †Anoptambonites pulchra • †Antherosalpinx • †Anthraconeilo – tentative report • †Aparchitella – tentative report • †Aphelognathus • †Aphelognathus divergens – or unidentified related form • †Apheoorthis • †Aphrosalpinx • †Aphrosalpinx nana – type locality for species • †Aphrosalpinx textilis • †Aphyllum • †Archaediscus • †Archeocidaris – tentative report • †Arctitreta • †Arctitreta kempei – or unidentified comparable form • †Arctozone – type locality for genus • †Arctozone cooki – type locality for species • †Arjamannia • †Arjamannia thraivensis – or unidentified related form • †Aseptirhynchia • †Aseptirhynchia glabrata • †Asgardaspira • †Asgardaspira gerulus – type locality for species • †Astralites • †Astralites gamblei – type locality for species • †Athabaskiella • †Athabaskiella ardis – type locality for species • †Athyris • †Athyris lamellosa – or unidentified related form • †Atomodesma – tentative report • †Atrypa'' • †Atrypa hystrix • †Atrypa reticularis • †Atrypella • †Atrypella borealis • †Atrypella scheii • †Atrypella tenuis • †Atrypoidea • †Atrypoidea scheii • †Attenuatella • †Aulocystis • †Aulopora • †Australonema • †Australophyllum • †Aviculopecten'' • †Aviculopecten chesterensis – tentative report • †Aviculopecten delawarensis – or unidentified related form • †Aviculopecten edwardsi – or unidentified related form • †Aviculopecten fasciculatus – or unidentified related form • †Aviculopecten hardinensis – or unidentified related form • †Aviculopecten mccoyi – or unidentified related form • †Aviculopecten montpelierensis – or unidentified related form • †Aviculopecten occidentalis – or unidentified related form • †Aviculopecten similis – or unidentified related form • † Avonia – tentative report ==B==

• †Bailiaspis • †Bailiaspis picta • Bairdia • †Balbinipleura • †Balbinipleura krawczynskii – type locality for species • †Barocospira • †Barocospira cindiprellerae – type locality for species • †Bathyuriscidella • †Bathyuriscidella socialis • †Bathyuriscus • †Bathyuriscus punctatus – type locality for species • †Batostomella • †Belemnites – tentative report • †Bellerophon'' • †Bellerophon chapmani • †Bellerophon livengoodensis • †Bellerophon spergensis – or unidentified related form • †Belodina • †Belowea • †Belowea variabilis • †Bembexia – tentative report • †Bembexia inumbilicata – type locality for species • †Bensbergia • †Bensbergia subcostata – or unidentified related form • †Beraunia • †Beraunia bifrons • †Beraunia bohemica • †Betaneospirifer • †Betaneospirifer marcoui – or unidentified related form • †Beyrichia • †Beyrichia churkini • †Bicarinatina • †Bicarinatina kongakutensis – type locality for species • †Bighornia • †Bimuria • †Bimuria gilbertella • †Blasispirifer • †Blasispirifer blasii – or unidentified related form • †Bohemicardia • †Bohemicardia bohemica – or unidentified comparable form • †Bolaspidella • †Bolaspidella wellsvillensis • †Bothrodendron • †Bothrodendron kiltorkense • †Boucotspira • †Boucotspira carinifer • †Brachylasma – tentative report • †Brachymetopus • †Brachymetopus pseudometopina • †Brachyprion • †Brachythyrina • †Brachythyrina rectangula – or unidentified related form • †Brachythyris • †Brachythyris subcardiformis – or unidentified related form • †Brachythyris subcardiiformis – or unidentified related form • †Brachythyris suborbicularis – or unidentified related form • †Brachythyris ufensis – or unidentified related form • †Breviphyllum • †Breviphyllum lindstromi – or unidentified comparable form • †Briscoia – tentative report • †Bronteus • †Brooksina • †Brooksina alaskensis • †Bruntonia • †Bruntonia granulifera • †Bucanopsis • †Bucanopsis volgulica – or unidentified related form • †Buechelia • †Buechelia nodosa • †Bulimorpha • †Bulimorphia • †Bulimorphia peracuta – or unidentified related form • †Buthrotrephis – tentative report ==C==

• †Calapoecia • †Calceola • †Calceola sandalina – or unidentified comparable form • †Callaiapsida • †Callaiapsida arctica • †Callaiapsida kekuensis – type locality for species • †Callaiapsida pentameroides – or unidentified related form • †Calliprotonia – tentative report • †Callistadia • †Callograptus • †Callositella – type locality for genus • †Callositella cheeneetnukensis – type locality for species • †Callospiriferina • †Callospiriferina pinguis • †Calymene • †Calymene blumenbachii'' • †Calymene iladon • †Camarotoechia • †Camarotoechia billingsi – or unidentified comparable form • †Camarotoechia duplicata – tentative report • †Camarotoechia winiskensis – or unidentified comparable form • †Campophyllum – tentative report • †Cancrinella • †Cancrinella cancrini – or unidentified related form • †Cancrinella cancriniformis – or unidentified related form • †Cancrinella koninckiana – or unidentified related form • †Cancrinella tenuissima • †Caneyella – tentative report • †Capellinia • Capulus • †Cardiomorpha – tentative report • †Carinatina • †Caruthia – type locality for genus • †Caruthia borealis – type locality for species • †Caryocaris • †Catazyga • †Catenipora'' • †Catenipora jacovikii – or unidentified comparable form • †Catenipora robustus – or unidentified comparable form • †Catenipora rubra – or unidentified comparable form • †Cedaria • †Centronella • †Centronella navicella – or unidentified comparable form • †Ceratiacaris • †Ceratopea • †Ceratopea medfraensis – type locality for species • †Cernuolimbus • †Cernuolimbus longifrons • †Chaetetes • †Chaetetes milleporaceous • †Chaetetipora • †Chaetetipora ellesmerensis – or unidentified comparable form • †Chaoiella • †Chaoiella gruenewaldti – or unidentified related form • †Chapinella – type locality for genus • †Chapinella bucareliensis – type locality for species • †Charactophyllum • †Cheeneetnukia – type locality for genus • †Cheeneetnukia frydai – type locality for species • †Cheilocephalus • †Cheilocephalus expansus – type locality for species • †Cheiropyge • †Cheiropyge himalayensis • †Cheirurus'' • †Chirognathus – tentative report • †Chlupacispira – type locality for genus • †Chlupacispira spinosa – type locality for species • †Chonetes • †Chonetes capax – or unidentified related form • †Chonetes illinoisensis – or unidentified related form • †Chonetes manitobensis – or unidentified comparable form • †Chonetes timanicus – or unidentified related form • †Chonetes verneuile – or unidentified comparable form • †Chonetes verneuilianus – or unidentified related form • †Chonetina – report made of unidentified related form or using admittedly obsolete nomenclature • †Chonetinella • †Chonetipustula • †Chonetipustula concentrica • †Chonetoidea – or unidentified related form • †Chonophyllum • †Choristites • †Christiania • †Christiania aseptata – type locality for species • †Chusenella • †Chusenella atlinensis – or unidentified loosely related form • †Cladochonus'' • †Cladopora • †Cladospongia – type locality for genus • †Cladospongia alaskensis – type locality for species • †Clathronema • †Clathronema cingulata • †Clathronema cloughi • †Cleiothyridina • †Cleiothyridina milleri – type locality for species • †Cleiothyridina sublamellosa – or unidentified related form • †Cleiothyris • †Cleiothyris suborbiculoides – or unidentified related form • †Cliefdenella • †Cliefdenella alaskaensis • †Climacograptus'' • †Climacograptus antiquus – or unidentified related form • †Climacograptus bicornis • †Climacograptus eximius – or unidentified comparable form • †Climacograptus hughesi – or unidentified comparable form • †Climacograptus indivisus • †Climacograptus innotatus • †Climacograptus medius • †Climacograptus minutus – tentative report • †Climacograptus phyllophorus – or unidentified comparable form • †Climacograptus pungens • †Climacograptus rectangularis • †Climacograptus scalaris • †Climacograptus stenotelus • †Climacograptus trifilis • †Cliothyridina • †Cliothyridina incrassata – or unidentified related form • †Cliothyridina orbicularis – or unidentified related form • †Cliothyridina sublamellosa – or unidentified related form • †Clisiophyllum • †Clorinda • †Codonofusiella • †Coelocaulus • †Coelocaulus karlae – type locality for species • †Coeloconus • †Coelospira • †Coelotrochium • †Coenites • †Colpomya – tentative report • †Colpomya audae – or unidentified related form • †Colpomya hugini – or unidentified related form • †Compacoleus • †Composita'' • †Composita ambigua – or unidentified comparable form • †Composita bellula – or unidentified related form • †Comuquia • †Comuquia curvirostris – or unidentified related form • †Conchidium • †Conchidium alaskense • †Conchidium knighti • †Condrathyris • †Condrathyris perplexa • †Conocardium • †Contortophyllum • †Cordylodus – tentative report • †Corymbospongia • †Corymbospongia adnata • †Corymbospongia amplia – type locality for species • †Corymbospongia betella • †Corynexochus • †Corynexochus perforatus • †Corynexochus plumula • †Corynoides • †Corynoides tricornis • †Cotalagnostus – or unidentified comparable form • †Cotalagnostus lens • †Cranaena • †Cranaena romingeri – or unidentified comparable form • †Crania'' • †Craspedalosia – tentative report • †Craspedelia • †Craspedelia potterella – type locality for species • †Crassialveolites • †Craterophyllum – or unidentified comparable form • †Craticula – report made of unidentified related form or using admittedly obsolete nomenclature • †Craticula gotlandica • †Crurithyris • †Crurithyris alaskensis – type locality for species • †Cryptacanthia • †Cryptacanthia compacta – or unidentified related form • †Cryptograptus • †Cryptograptus centrifugus – or unidentified comparable form • †Cryptograptus schaferi • †Cryptograptus tricornis • †Cyathactis • †Cyathaxonia • †Cyathodictya • †Cyathophylloides • †Cyathophyllum • †Cyclonema • †Cyclonema servus • †Cyclopteris'' – tentative report • †Cyclospira • †Cyclospira elegantula • †Cyclospira orbus • †Cymbidium • †Cymbidium acutum • †Cymbidium retrorsum • †Cymostrophia • †Cymostrophia costatula – or unidentified comparable form • †Cyphaspis • †Cypricardella • †Cypricardina • †Cypricardina consimilis – or unidentified related form • †Cypricardinia • †Cypricardinia contexta • †Cyrolexis • †Cyrolexis superstes – or unidentified related form • †Cyrtia • †Cyrtina • †Cyrtina billingsi – or unidentified comparable form • †Cyrtinaella • †Cyrtinaella undulata • †Cyrtoceras'' • †Cyrtospira • †Cyrtospirifer • †Cyrtospirifer buddingtoni – type locality for species • †Cyrtospirifer paridaensis • †Cystihalysites • †Cystiphylloides • †Cystiphyllum • †Cystodictya • †Cystodictya lineata – or unidentified related form • †Cystodictya pustulosa – or unidentified related form • †Cystostroma • †Cystothalamiella • †Cystothalamiella alaskaensis • †Cystothalamiella ducta • †Cystothalamiella irregularis – type locality for species • †Cystothalamiella polyducta • Cytherella – tentative report • †Cyztograptus ==D==

• †Daidia • †Daidia cerithioides • †Daidia sewardensis • †Dalmanella • †Dalmanella occlusa • †Dalmanites'' • †Dasometopus • †Dasometopus breviceps • †Dechenella • †Decorospira • †Decorospira lepaini – type locality for species • †Decorospira minutula – type locality for species • †Decorospira tasselli • †Deiracorallium • †Delthyris • †Delthyris sulcatus • †Deltopecten • †Deltopecten caneyanus – or unidentified related form • †Deltopecten wyandotte – or unidentified related form • †Dendrograptus • †Dendrostella • †Dendrostella rhenana – or unidentified comparable form • tusk shell †Dentalium'' • †Dentalium hecetaensis • †Derbyia • †Derbyia bennetti – or unidentified related form • †Derbyia grandis – or unidentified comparable form • †Derbyia robusta – or unidentified related form • †Diambonia • †Diambonia discuneata • †Diaphragmus • †Dicellograptus • †Dicellograptus caduceus – or unidentified comparable form • †Dicellograptus elegans – or unidentified comparable form • †Dicellograptus gurleyi • †Dicellograptus sextans • †Dicellograptus smithi – or unidentified comparable form • †Dicoelosia • †Dicoelosia jonesridgensis • †Dicranograptus • †Dicranograptus contortus – tentative report • †Dicricoconus • †Dicricoconus dutroi • †Dicricoconus mesodevonicus • †Dicricoconus triannulatus • †Dictyoclostus • †Dictyoclostus gallatinensis – or unidentified related form • †Dictyoclostus semireticulatus • †Dictyoclostus tartaricus • †Dictyonema • †Didymograptus'' • †Didymograptus extensus – or unidentified comparable form • †Didymograptus nitidus – or unidentified comparable form • †Didymograptus sagitticaulis • †Didymograptus serratulus • †Dielasma • †Dielasma arkansanum – or unidentified related form • †Dielasma bovidens – or unidentified related form • †Dielasma formosum – or unidentified related form • †Dielasma supracarbonicum – or unidentified related form • †Digonophyllum • †Dimorphograptus • †Dimorphograptus confertus • †Dimorphograptus physophora • †Diorthelasma • †Diorthelasma parvum • †Diparelasma • †Diphyphyllum • †Diplochone • †Diplograptus'' • †Diplograptus cyperoides – or unidentified comparable form • †Diplograptus elongatus • †Diplograptus euglyptus • †Diplograptus hughesi • †Diplograptus inutilis • †Diplograptus modestus • †Diplograptus mucroterminatus • †Diplograptus multidens – or unidentified related form • †Diplograptus nicolsoni – or unidentified comparable form • †Diplopora – tentative report • †Disphyllum • †Disphyllum catenatum – or unidentified comparable form • †Disphyllum goldfussi – or unidentified comparable form • †Disphyllym – tentative report • †Diversograptus • †Doleroides • †Doleroides panna – or unidentified related form • †Donaldiella • †Donaldospira • †Donaldospira pertusa • †Dorypyge • †Dorypyge olenekensis – or unidentified comparable form • †Drepanodus • †Drepanoistodus • †Drepanoistodus suberectus • †Drepanophycus'' • †Droharhynchia • †Droharhynchia rzhonsnitskayae – type locality for species • †Dubovikovia • †Dubovikovia kuzmini – or unidentified comparable form • †Dunbarula • †Dunderbergia • †Dunderbergia seducta – type locality for species • †Duolobella – type locality for genus • †Duolobella sandiae – type locality for species • †Dutrochus – type locality for genus • †Dutrochus alaskensis – type locality for species • †Dyoros • †Dyoros spitzbergianus – or unidentified comparable form • †Dytremacephalus – tentative report ==E==

• †Echinoconchus • †Echinoconchus punctatus • †Echyropora – tentative report • †Ectomaria • †Ectomaria orientalis • †Ectomaria pagoda – or unidentified comparable form • †Ectomaria prisca – or unidentified comparable form • †Edmondia • †Ekvasophyllum • †Elburgia • †Elburgia disgranosa – type locality for species • †Eleutherokomma • †Eleutherospira • †Eleutherospira medfraensis • † Ella – tentative report • †Ella simensis – or unidentified related form • †Ellesmeroceras • †Elrathia'' • †Elrathia alaskensis – type locality for species • †Emanuella • †Emanuella altus • †Emanuella neumani • †Emmonsia • †Endothyra • †Endothyra bowmani – or unidentified related form • †Entactinia • †Entactinia modesta • †Enteletes – tentative report • †Entelophyllum – tentative report • †Entomis • †Entomis pelagica • †Eoasianites • †Eoconchidium • †Eognathodus • †Eognathodus sulcatus • †Eomarginifera • †Eomarginifera longispinus • †Eomoelleritia – tentative report • †Eopteria • †Eopteria richardsoni • †Eoreticularia – tentative report • †Eoschuchertella • †Eospirifer • †Epiphyton • †Epitomyonia • †Epitomyonia relicina • †Euchondria – tentative report • †Euchondria neglecta – or unidentified related form • †Euconospira • †Euconospira conula – or unidentified related form • †Eumetria • †Eumetria verneuiliana • †Eunema • †Eunema quadrisulcata – or unidentified comparable form • †Euomphalopteris – tentative report • †Euomphalopterus – type locality for genus • †Euomphalopterus liratus – type locality for species • †Euomphalus'' • †Euomphalus brooksensis • †Euomphalus bundtzeni • †Euomphalus planodorsatus – or unidentified related form • †Euomphalus planorbis • †Euomphalus utahensis – or unidentified related form • †Euphemites • †Euphemites carbonarius • †Euryzone ==F==

• †Faberophyllum • †Falodus • †Farewellia – type locality for genus • †Farewellia heidelbergerae – type locality for species • †Fasciculatia • †Fasciculatia striatoparadoxa • †Fasciphyllum – tentative report • †Favosites'' • †Favosites emmonsi – or unidentified comparable form • †Favosites hemispericus • †Favosites hemisphericus • †Favosites limitaris • †Favosites radiciformis • †Fenestella • †Filigreenia • †Filigreenia circularis • †Finkelnburgia • †Fistulella • †Fistulella undosa • †Fistulipora • †Fletcheria – tentative report • †Fluctuaria • †Fluctuaria undata – or unidentified related form • †Follicucullus • †Follicucullus monacanthus – or unidentified related form • †Foordites • †Foordites platypleura – or unidentified comparable form • †Fusispira • †Fusulina • †Fusulina elongata – or unidentified related form • †Fusulinella • †Fusulinella eopulchra – or unidentified comparable form ==G==

• †Gasterocoma – tentative report • †Gasterocoma bicauli • †Gastrioceras • †Gastrioceras nolinense – or unidentified related form • †Gelidorthis • †Gelidorthis perisiberiaensis • †Geragnostus'' • †Gervillia • †Gervillia longa – or unidentified related form • †Girtyella • †Girtyocoelia – type locality for genus • †Girtyocoelia epiporata • †Girtyocoelia minima • †Girvanella • †Girvanella problematica • †Glaberagnostus • †Glaberagnostus cicer • †Glabrocingulum • †Glabrocingulum grayvillense – or unidentified related form • †Globoendothyra • †Glossograptus • †Glossograptus dentatus – or unidentified comparable form • †Glossograptus echinatus – or unidentified comparable form • †Glossograptus hincksii • †Glossograptus horridus • †Glossograptus hystrix – or unidentified related form • †Glyptograptus • †Glyptograptus enodis – or unidentified comparable form • †Glyptograptus gnomus • †Glyptograptus incertus • †Glyptograptus laciniosus • †Glyptograptus lanpherei • †Glyptograptus tamariscus • †Glyptopora • †Gomphoceras • †Goniatites • †Goniocladia – tentative report • †Goniophora • †Goniophora thula – type locality for species • †Grammysia • †Granularaspis • †Graptospongia • †Grewingkia'' • †Grypophyllum • †Gypidula • †Gypidula cornuta • †Gypidula intervenicus – or unidentified comparable form • †Gypidula optatus • †Gypidula orbitatus • †Gypidula pelagica • †Gypidula perryi • †Gypidula upatensis • †Gypiduloides • †Gypiduloides craigenensis • †Gypospirifer • †Gypospirifer condor • †Gyronema ==H==

• †Hallograptus • †Hallograptus mucronatus • †Halysites • †Haplistion – tentative report • †Haplospira • †Haplospira craigi – type locality for species • †Hardyoides • †Hardyoides aspinosa – type locality for species • †Harperoides – type locality for genus • †Harperoides alaskensis – type locality for species • †Harpides'' • †Harpidium • †Harpidium insignis • †Harpidium latus • †Harpidium rotundus • †Hartshillia • †Hartshillia clivosa • †Hecetaphyton • †Hecetaphyton alaskense • †Hecetastoma – type locality for genus • †Hecetastoma gehrelsi – type locality for species • †Hedstroemia – tentative report • †Hedstromophyllum • †Helicotoma • †Helicotoma blodgetti – type locality for species • †Helicotoma robinsoni – type locality for species • †Heliolites • †Heliophyllum • †Helioplasmolites • †Hemirhodon'' • †Hemitrypa • †Hercynella • †Hercynella bohemica • †Hercynella nobilis • †Hexagonaria • †Hindeodus • †Holopea • †Holopella • †Homagnostus • †Homagnostus alaskensis – type locality for species • †Hormospongia – type locality for genus • †Hormospongia acara – type locality for species • †Hormospongia diarteria – type locality for species • †Hormospongia labyrinthica – type locality for species • †Hormotoma • †Horridonia • †Horridonia horrida • †Hostimella • †Howellella • †Howellella amsdeni • †Howellella nucula • †Howellella yacutica • †Howellites • †Howellites amsdeni – type locality for species • †Howittia • †Howittia haideri • †Hustedia • †Hustedia meekana – or unidentified related form • †Hustedia remota – or unidentified related form • †Hustedograptus • †Hustedograptus teretiusculus • †Hypagnostus • †Hypomphalocirrus • †Hypomphalocirrus rugosus – or unidentified comparable form • †Hypothyridina • †Hypothyridina magister ==I==

• †Icriodus • †Icriodus angustoides • †Icriodus taimyricus • †Iddingsia • †Iddingsia relativa – type locality for species • †Idiognathodus • †Idiostroma • †Imperatoria • †Imperatoria media • †Iowaphyllum • †Iowaphyllum johanni – or unidentified comparable form • †Iowatrypa • †Iowatrypa owenensis • †Iskutella • †Iskutella gunningi • †Isochilina • †Isograptus • †Isograptus forcipiformis • †Isograptus manubriatus – or unidentified comparable form • †Isorthis • †Ivdelinia ==J==

• †Janius • †Janius velatus – or unidentified comparable form • †Jedria • †Jedria deckeri • †Johnsonathyris – type locality for genus • †Johnsonathyris adrianensis – type locality for species • †Juraspis • †Juraspis schabanovi • †Juresania • †Juresania juresanensis – or unidentified related form ==K==

• †Kahlerina • †Karavankina • †Karavankina fasciata – or unidentified related form • †Ketophyllum • †Kindleina – type locality for genus • †Kindleina suemezensis – type locality for species • †Kionoceras'' • †Kirkidium • †Kirkirhynchus • †Kirkirhynchus reesidei • †Kirkospira – type locality for genus • †Kirkospira glacialis – type locality for species • †Kirkospira tongassensis – type locality for species • †Kitikamispira • †Kitikamispira ormistoni • †Klakesia • †Kochiproductus • †Kochiproductus porrectus – or unidentified related form • †Komiella • †Komiella gilberti – type locality for species • †Komiella ostiolata – or unidentified related form • †Kootenia'' • †Kootenia anabarensis – or unidentified comparable form • †Kootenia granulospinosa – type locality for species • †Kootenia serrata – or unidentified comparable form • †Krausella • †Krotovia • †Krotovia pustulata – or unidentified related form • †Kuskokwimia – type locality for genus • †Kuskokwimia moorei – type locality for species • †Kuvelousia • †Kuvelousia sphiva • †Kuvelousia weyprechti – or unidentified comparable form ==L==

• †Labechia • †Labyrinthites • †Lacunoporaspis • Laevidentalium • †Laevidentalium venustum – or unidentified related form • †Laioporella • †Laioporella pyramidata – or unidentified related form • †Lamprophyllum • †Latentifistula • †Laticrura • †Laticrura pionodema • †Lecanospira – tentative report • †Leioclema • †Leiorhynchus • †Leiorhynchus greenianum – or unidentified related form • †Lejopyge • †Lejopyge calva • †Lejopyge laevigata'' • †Leperditia • †Lepidocoleus • †Lepidocoleus britannicus • †Leptaena • †Leptaena alaskensis – type locality for species • †Leptathyris • †Leptathyris borki • †Leptellina • †Leptellina occidentalis • †Leptelloidea • †Leptelloidea leptelloides • †Leptodesma • †Leptograptus • †Leptostrophia • †Libumella – tentative report • †Licharewia • †Lichas • †Ligiscus • †Ligiscus smithi – type locality for species • Lima • †Linguagnostus • †Linguagnostus gronwalli • †Lingula • †Lingula freboldi • Linguopugnoides • †Linguopugnoides carens • †Linograptus • †Linograptus posthumus – or unidentified related form • †Linoproductus • †Linoproductus cora • †Linoproductus lineatus – or unidentified related form • †Linoproductus tenuistriatus – or unidentified related form • †Liosotella • †Liosotella proboscidea – or unidentified comparable form • †Liospira • †Liospira micula • †Liospira progne – or unidentified comparable form • †Lissatrypa – tentative report • †Lissochonetes • †Lissochonetes geinitzianus – or unidentified related form • †Lissochonetes morahensis – or unidentified related form • †Lissochonetes superba – or unidentified comparable form • †Lithostrotion • †Lithostrotion mclareni • †Lithostrotion portlocki – or unidentified related form • †Lithostrotion sinuosum • †Lithostrotion warreni • †Lithostrotionella • †Lithostrotionella banffensis • †Lithostrotionella birdi • †Loganograptus • †Lonsdaleia • †Lophophyllum • †Lophospira • †Lophospira perangulata – or unidentified comparable form • †Lophospira serrulata – or unidentified related form • †Loxonema • †Loyolophyllum • †Lucina'' • †Lucina proavia – or unidentified comparable form • †Ludlovia • †Ludlovia multispora • †Lunucammina • †Lunulazona • †Lunulazona sablei – type locality for species • †Lykocustiphyllim – tentative report • †Lyrielasma • †Lytospira • †Lytospira subrotunda • †Lytvophyllum – tentative report • †Lytvophyllum hongi ==M==

• †Macgeea • †Maclurina • †Maclurina manitobensis – or unidentified comparable form • †Maclurites • †Maclurites magnus – or unidentified related form • †Marginifera • †Marginifera involuta • †Marginifera juresanensis – or unidentified comparable form • †Marginifera lebedevi – or unidentified related form • †Marginifera splendens – or unidentified related form • †Marginifera typica – or unidentified related form • †Marinurnula • †Marinurnula timanicum – or unidentified comparable form • †Marjumia • †Marjumia callas • †Martinia • †Martinia maia – or unidentified comparable form • †Martiniopsis • †Mastigospira • †Mastigospira weberae • †Medfracaulus – type locality for genus • †Medfracaulus cooki – type locality for species • †Medfracaulus turriformis • †Medfraspongia • †Medfraspongia tubulara • †Medfrazyga – type locality for genus • †Medfrazyga clauticae – type locality for species • †Medfrazyga gilmulli – type locality for species • †Medlicottia • †Medlicottia orbigiana – or unidentified related form • †Meekella – tentative report • †Meekospira • †Megagnostus • †Megagnostus laevis • †Megagnostus resecta • †Megalomus • †Megousia • †Megousia aagardi • †Mehlina • †Menophyllum – tentative report • †Mephiarges – tentative report • †Meristella'' • †Meristella barrisi – or unidentified comparable form • †Meristella ceras – or unidentified comparable form • †Meristella tumida – tentative report • †Meristina • †Mesodouvillina • †Mesofavosites • Mesophyllum • †Mesophyllum dachsbergi • †Metadoliolina – tentative report • †Michelinia • †Michelinoceras – tentative report • †Micidus • †Micidus stellae • †Microplasma • †Miculiella – or unidentified comparable form • †Mizzia – tentative report • †Modiolopsis • †Modiolopsis modiolaris – or unidentified related form • †Modiolus – tentative report • †Modiomorpha • †Modocia • †Modocia compressa – type locality for species • †Modocia transversa – type locality for species • †Moelleritia • †Moelleritia canadensis • †Monadotoechia – tentative report • †Monograptus'' • †Monograptus acinaces • †Monograptus atavus • †Monograptus bohemicus • †Monograptus buddingtoni • †Monograptus calamistratus • †Monograptus clingani – or unidentified related form • †Monograptus convolutus • †Monograptus crenularis – or unidentified comparable form • †Monograptus crinitus • †Monograptus cyphus • †Monograptus difformis – or unidentified comparable form • †Monograptus dubius • †Monograptus gregarius • †Monograptus incommodus – or unidentified comparable form • †Monograptus involutus – or unidentified comparable form • †Monograptus nilssoni • †Monograptus noyesensis • †Monograptus pacificus • †Monograptus praedubius – or unidentified related form • †Monograptus priodon • †Monograptus pseudodubius • †Monograptus raitzhainesis – or unidentified related form • †Monograptus revolutus • †Monograptus scanicus • †Monograptus tenuis • †Monograptus thomasi – or unidentified related form • †Monograptus tumescens • †Monograptus uncinatus • †Monograptus undulatus • †Monograptus varians • †Monograptus vulgaris – or unidentified comparable form • †Monograptus yukonensis • †Monolaminospongia – type locality for genus • †Monolaminospongia gigantia – type locality for species • †Monorakos • †Monorakos kledos – type locality for species • †Morania • †Morania nixonforkensis – type locality for species • †Morania wagneri – type locality for species • †Mucrospirifer'' • †Mucrospirifer refugiensis – type locality for species • †Multiconus • †Multisolenia • †Murchisonia • †Myalina • †Myriospirifer • †Myriospirifer myriofila – type locality for species • †Mytilarca • †Mytilarca boucoti – type locality for species ==N==

• †Nankinella • †Nanochilina • †Nanochilina gubanovi – type locality for species • †Nanukidium • †Nanukidium cunninghamensis – or unidentified comparable form • †Naticella • †Naticopsis'' • †Naticopsis bowsheri • †Naticopsis carleyana – or unidentified related form • †Naticopsis suturicompta • †Nazarovella • †Nemagraptus • †Nemagraptus gracilis • †Nematosalpinx • †Nematosalpinx dichotomica • †Nematosalpinx hormathodes – type locality for species • †Neochonetes • †Neochonetes granulifer – or unidentified related form • †Neogondolella • †Neogondolella idahoensis • †Neospirifer'' • †Neospirifer cameratus • †Neospirifer fasciger – or unidentified related form • †Neospirifer striatus – tentative report • †Nezamyslia • †Nezamyslia jucunda – or unidentified related form • †Nicollidina • †Nicollidina brevis • †Nicollidina remscheidensis – or unidentified comparable form • †Nileus • †Nileus armadillo • †Niobella • †Niobella kanauguki – type locality for species • †Nipponophyllum • †Nipponophyllum aseptatum – or unidentified comparable form • †Nodospira – type locality for genus • †Nodospira ornata – type locality for species • †Nordospira • †Nordospira vostokovae – type locality for species • †Nordotoechia – tentative report • †Nowakia • †Nowakia acuaria • †Nowakia barrandei • †Nowakia parabarrandei – type locality for species • †Nucleospira • †Nucleospira hecetensis • Nucula'' • †Nucula shumardiana – or unidentified related form • Nuculana – tentative report • †Nuculites ==O==

• †Oanduporella • †Oanduporella kuskokwimensis • †Odontomaria • †Odontomaria cheeneetnukensis – type locality for species • †Odontospirifer • †Oistodus • †Oistodus parallelus • †Oistodus venustus – or unidentified comparable form • †Olenaspella • †Olenaspella evansi • †Oncagnostus • †Oncagnostus tumidosus • †Onchonotopsis • †Onchonotopsis occidentalis – type locality for species • †Oonoceras • †Opsiconidion • †Orbiculoidea • †Orecopia • †Orecopia mccoyi – or unidentified comparable form • †Oriostoma • †Oriostoma angulatum – or unidentified comparable form • †Oriostoma princeps • †Orthis • †Orthis arcuata – or unidentified comparable form • †Orthoceras • †Orthoceras anguliferas – or unidentified comparable form • †Orthograptus • †Orthograptus bellulus • †Orthograptus calcaratus • †Orthograptus eberleini • †Orthograptus insectiformis • †Orthograptus mutabilis – or unidentified comparable form • †Orthograptus quadrimucronatus • †Orthograptus truncatus • †Orthograptus vesiculosus • †Orthonota • †Orthonychia • †Orthophyllum – tentative report • †Orthotetes • †Orthotetes chemungensis – or unidentified comparable form • †Orthotetes crenistria • †Orthotetes keokuk – or unidentified related form • †Orthotichia – tentative report • †Orthotichia morganiana – or unidentified related form • †Ortonia – tentative report • †Oulodus • †Overtonia – tentative report • †Overtonia fimbriata – or unidentified related form • †Ozarkodina • †Ozarkodina confluens • †Ozarkodina eberleini – type locality for species • †Ozarkodina paucidentata – or unidentified comparable form ==P==

• †Pachyfavosites • †Pachyphloia • †Pachypora • †Pachystrophia • †Pachystrophia devexa – or unidentified comparable form • †Pachystrophia gotlandicus • †Paeckelmanella • †Paeckelmanella dieneri – or unidentified related form • †Paffrathopsis • †Paffrathopsis nana – or unidentified related form • †Pagetia'' • †Palaeolima • †Palaeolima retifera – or unidentified related form • †Palaeophyllum – or unidentified comparable form • †Palaeoscheda • †Palaeoscheda crassimuralis • †Palaeowingella – type locality for genus • †Palaeowingella farewellensis – type locality for species • †Palaeozygopleura • †Paleofavosites • †Paleoxyphostylus • †Paleoxyphostylus variospina • †Palliseria • †Palliseria robusta • †Panderodus • †Panderodus gracllis – or unidentified comparable form • †Pandorinellina • †Pandorinellina exigna • †Pandorinellina exigua • †Pandorinellina expansa • †Pandorinellina steinhornensis • †Panenka • †Paracybantyx • †Paracybantyx occidentalis – type locality for species • †Paradoxides'' • †Parafusulina – tentative report • †Paraglossograptus • †Paraglossograptus tentaculatus – or unidentified comparable form • †Paraliospira • †Paraliospira angulata • †Paraliospira mundula • †Paraliospira planata – or unidentified related form • †Parallelodon • †Paraparchites • †Paraparchites carbonarius – or unidentified related form • †Paraphillipsia • †Paraphillipsia aglypta – type locality for species • †Parapugnax • †Parapugnax schmidti • †Pararachnastraea • †Pararachnastraea gracilis – or unidentified related form • †Parasolenopleura • †Parastriatopora • †Parawedekindellina • †Parawedekindellina pechorica – or unidentified comparable form • †Parehmania • †Parehmania lata – or unidentified comparable form • †Parisograptus • †Parisograptus caduceus • †Paronaella – tentative report • †Paronaella triporosa • †Paupospira • †Paupospira burginensis – or unidentified comparable form • †Pecopteris'' • †Pecopteris arborescens • †Pecopteris hemitelioides • †Pecopteris unita • †Pedderia – type locality for genus • †Pedderia fragosa – type locality for species • †Pelekysgnathus • †Pelekysgnathus klamathensis • †Pelypora • †Peneckiella • †Penekiella • †Pentamerella • †Pentamerus'' • †Peridon • †Peridon aculeatus • †Perimecocoelia • †Perimecocoelia semicostata • †Permophricodothyris • †Permophricodothyris nodosa – or unidentified comparable form • †Pernipecten • †Pernopecten • †Pernopecten aviculatus – or unidentified related form • †Pernopecten ohioensis – or unidentified related form • †Peronopsis • †Peronopsis gaspensis – or unidentified comparable form • †Petalograptus • †Petalograptus minor • †Petalograptus palmeus • †Petrozium • †Phacellophyllum • †Phalagnostus'' • †Phalagnostus bituberculatus • †Phanerotrema • †Phaulactis • †Phaulactis angusta – or unidentified comparable form • †Phaulactis cyathophylloides – or unidentified comparable form • †Phillipsastrea • †Phillipsia • †Phillipsia bufo – tentative report • †Phillipsia majus – type locality for species • †Phillipsia megalopos – type locality for species • †Pholadostrophia – tentative report • †Pholidocidaris • †Phragmodus • †Phragmorthis • †Phragmorthis buttsi • †Phricodothyris • †Phricodothyris guadalupensis – or unidentified related form • †Phyllograptus'' • †Phyllograptus anna – or unidentified comparable form • †Phylloporella – tentative report • †Pinacites • †Pinacites jugleri • †Pinegathyris – report made of unidentified related form or using admittedly obsolete nomenclature • †Pinegathyris royssiana – or unidentified related form • †Pinna • †Pinnatopora • †Plagioglypta • †Planitrochus • †Plasmophyllum • †Platyceras'' • †Platycrinites • †Platycrinites nikondaense – type locality for species • †Platycrinus • †Platyschisma – tentative report • Pleurotomaria • †Plicogypa • †Plicogypa kayseri – or unidentified comparable form • (specimens 8, 10, and 11) †Polygnathus'' • †Polygnathus alexanderensis • †Polygnathus angusticostatus • †Polygnathus angustipennatus • †Polygnathus aspelundi • †Polygnathus borealis • †Polygnathus brevis • †Polygnathus churkini • †Polygnathus costatus • †Polygnathus eberleini • †Polygnathus eiflius • †Polygnathus inversus • †Polygnathus kennettensis • †Polygnathus linguiformis • †Polygnathus pacificus • †Polygnathus parawebbi • †Polygnathus perbonus – or unidentified related form • †Polygnathus praetrigonicus • †Polygnathus pseudofoliatus • †Polygnathus robusticostatus • †Polygnathus samueli • †Polygnathus sinuosus • †Polygnathus trigonicus • †Polygnathus unicornis • †Polygnathus xylus • †Polyplacospongia – type locality for genus • †Polyplacospongia nodosa – type locality for species • †Polypora • †Polythalamia • †Polythalamia americana • †Prampyx • †Prampyx difformis • †Prioniodina • †Prioniodina flabellum • †Prisochiton • †Proampyx • †Proampyx acuminatus • †Prodentalium • †Productella • †Productella hallana • †Productus • †Productus burlingtonesis – or unidentified related form • †Productus gallatinenesis – or unidentified related form • †Productus giganteus • †Productus gruenwaldti – or unidentified related form • †Productus hirsutiformis • †Productus inflatus – or unidentified related form • †Productus jakovlevi – or unidentified related form • †Productus longus – or unidentified related form • †Productus mesialis – or unidentified related form • †Productus ovatus – tentative report • †Productus sampsoni – or unidentified related form • †Productus samsoni – or unidentified related form • †Productus setiger – or unidentified related form • †Productus striatus – or unidentified related form • †Proetus'' • †Proetus romanooski • †Prohedinia • †Prohedinia brevifrons • †Protathyris • †Protathyris pacificana • †Proteoceras • †Proteoceras obliquum • †Proteoceras tubulara • †Protolonsdaleiastraea • †Protolonsdaleiastraea cargalensis – or unidentified related form • †Protowentzelella • †Protowentzelella cystosa • †Pseudagnostus • †Pseudagnostus communis • †Pseudamplexus • †Pseudamplexus princeps – or unidentified comparable form • †Pseudoalbaillella • †Pseudoalbaillella longicornis – or unidentified related form • †Pseudoamplexus'' • †Pseudoamplexus altaicus • †Pseudobelodina • †Pseudobelodina adentata – or unidentified comparable form • †Pseudobelodina vulgaris – or unidentified related form • †Pseudobornia • †Pseudobornia ursina • †Pseudoclimacograptus • †Pseudoclimacograptus marathonensis – or unidentified comparable form • †Pseudoclimacograptus scharenbergi • †Pseudoclimacograptus undulatus – or unidentified comparable form • †Pseudocryptaenia – tentative report • †Pseudocryptaenia majewskwi – type locality for species • †Pseudodoliolina • †Pseudodoliolina oliviformis • †Pseudofusulinella • †Pseudofusulinella praeantiqua – or unidentified comparable form • †Pseudoharttina • †Pseudoharttina kayi – type locality for species • sea snail †Pseudomelania'' • †Pseudomicroplasma – report made of unidentified related form or using admittedly obsolete nomenclature • †Pseudomonotis – tentative report • †Pseudomphalotrochus • †Pseudomphalotrochus linsleyi • †Pseudophillipsia – tentative report • †Pseudophorus • †Pseudophorus profundus – or unidentified comparable form • †Pseudoporefieldia • †Pseudoporefieldia micella • †Pseudotryplamsa – tentative report • †Pseudotryplamsa altaica – or unidentified comparable form • †Pseudotryplasma • †Pseudotryplasma altaica – or unidentified comparable form • †Pseudotryplasma altaicus – or unidentified comparable form • †Psilocamara • †Psilophyton'' • †Pteria – report made of unidentified related form or using admittedly obsolete nomenclature • †Pterinea • †Pterinopecten • †Pterocephalia • †Pterocephalia constricta – type locality for species • †Pterospirifer • †Pterospirifer alatus • †Ptychagnostus • †Ptychagnostus aculeatus • †Ptychagnostus puncturosus • †Ptychoglyptus • †Ptychoglyptus alaensis – type locality for species • †Ptychoglyptus pauciradiatus • †Ptychomphalina • †Ptychophyllum • †Ptychopleurella • †Ptychopleurella uniplicata • †Pugnax • †Pugnax pugnus • †Pugnax utah – or unidentified related form • †Pulchratia – tentative report • †Purdonella – report made of unidentified related form or using admittedly obsolete nomenclature • †Purdonella nikitini – or unidentified related form • †Pustula • †Pustula alternata – or unidentified related form • †Pustula biseriata – or unidentified related form • †Pustula blairi – or unidentified related form • †Pustula carringtoniana – or unidentified related form • †Pustula concentrica – or unidentified related form • †Pustula distorta – or unidentified related form • †Pustula eximia – or unidentified related form • †Pustula indianensis – or unidentified related form • †Pustula irginae – or unidentified related form • †Pustula magnituberculata – or unidentified related form • †Pustula millespinosa – or unidentified related form • †Pustula morbilliana – or unidentified related form • †Pustula nikitini – or unidentified related form • †Pustula pilosa – or unidentified related form • †Pustula plicatilis – or unidentified related form • †Pustula pseudaculeata – or unidentified related form • †Pustula punctata • †Pustula rugata – or unidentified related form • †Pustula semicostata – or unidentified related form • †Pustula spinulosa – or unidentified related form • †Pustula subhorrida – or unidentified related form • †Pustula tuberculata – or unidentified related form • †Pustula wallaciana – or unidentified related form • †Pustula wallacianus – or unidentified related form • †Pycnactis – tentative report • †Pycnolithus – tentative report • †Pylentonema • †Pylentonema antiqua – or unidentified comparable form ==Q==

• †Quadricarina • †Quadricarina noklebergi – type locality for species • †Quasifusulina • †Quasifusulina longissima – or unidentified related form • †Quebecaspis • †Quebecaspis aspinosa – type locality for species • †Quebecaspis conifrons – tentative report ==R==

• †Rachiopteris • †Raphistoma – tentative report • †Raphistoma alaskensis – type locality for species • †Raphistomina • †Raphistomina rugata – or unidentified comparable form • †Rastrites • †Rastrites longispinus – or unidentified comparable form • †Rastrites peregrinus – or unidentified related form • †Receptaculites'' • †Rectograptus • †Rectograptus amplexicaulis • †Remipyga • †Renalcis • †Renalcis tuberculatus – or unidentified comparable form • †Reteograptus • †Reteograptus geinitzianus • †Reticularia • †Reticularia setigera – or unidentified related form • †Reticulariopsis • †Reticulariopsis bicollina • †Retiolites • †Retiolites geinitzianus • †Retispira • †Retispira sullivani • †Reuschia • †Rhabdomeson • †Rhabdostropha • †Rhabdostropha primitiva • †Rhaphidophyllum • †Rhenozyga • †Rhenozyga reifenstuhli – type locality for species • †Rhineoderma – tentative report • †Rhineoderma wortheni – or unidentified related form • †Rhipidomella • †Rhipidomella carbonaria – or unidentified related form • †Rhipidomella nevadensis – or unidentified related form • †Rhipidomella uralica – or unidentified related form • †Rhizophyllum • †Rhizophyllum schischkaticum • †Rhombopora • †Rhynchonella'' • †Rhynchonella amalthea – or unidentified comparable form • †Rhynchonella livonica • †Rhynchopora • †Rhynchopora beecheri – or unidentified related form • †Rhynchopora geinitziana – or unidentified related form • †Rhynchopora kochi – or unidentified comparable form • †Rhynchopora nikitini – or unidentified related form • †Rhytiodentalium • †Rhytiodentalium kentuckyensis – or unidentified comparable form • †Richardsonella • †Richthofenia • †Richthofenia lawrenciana – or unidentified related form • †Rigbyetia • †Rigbyetia obconica • †Roadoceras • †Roadoceras roadense – or unidentified comparable form • †Roemeria – or unidentified comparable form • †Rothpletzella • †Rothpletzella gotlandica • †Rousseauspira • †Rousseauspira teicherti • †Rugaltarostrum • †Rugaltarostrum congregabile – type locality for species • †Rugatia • †Rugatia occidentalis – or unidentified related form • †Rugivestis • †Rugivestis girtyi – type locality for species • †Rugosatrypa • †Rugosatrypa flexibilis ==S==

• †Saffordophyllum • †Salairophyllum • †Sanguinolites • †Sannemannia • †Sannemannia glenisteri – or unidentified related form • †Sarcinula • †Savagerhynchus – type locality for genus • †Savagerhynchus hecetaensis – type locality for species • †Scalites • †Scalites tellerensis – type locality for species • †Scaphina – tentative report • †Scaphorthis • †Scaphorthis virginiensis • †Scharfenbergia • †Scharfenbergia concentrica • †Scharfenbergia impella • †Scharfenbergia ruestae • †Scharfenbergia tailleurense • †Scharyia • †Schizodus • †Schizophoria • †Schizophoria fragilis – or unidentified comparable form • †Schizophoria macfarlani • †Schizophoria striatula • †Schizophoria swallowi – or unidentified related form • †Schizoproetoides – tentative report • †Schmidtella • †Schrenkiella • †Schrenkiella schrenki – or unidentified comparable form • †Schuchertella • †Schwagerina • †Schwagerina jenkinsi – or unidentified comparable form • †Sciophyllum • †Sciophyllum alaskaensis • †Sciophyllum lambarti • †Scotoharpes • †Scotoharpes raaschi – or unidentified related form • †Semicoccinium – tentative report • †Semicyclus • †Semicyclus brabbi • †Semisphaerocephalus • †Semisphaerocephalus latus – type locality for species • †Septabrunsiina • †Septacamera • †Septacamera kutorgae • †Septacamera opitula – tentative report • †Septacamera pybensis – type locality for species • †Septacamera stupenda – type locality for species • †Septaglomospiranella • †Septimyalina • †Septimyalina perattenuata – or unidentified related form • †Septopora – tentative report • †Serpulospira • †Shumardella • †Shumardella missouriensis • †Sibirirhynchia • †Sibirirhynchia alata • †Sibiritia • †Sibiritoechia – tentative report • †Sibiritoechia sylvia • †Sieberella • †Sigmocheilus – tentative report • †Sigmocheilus compressus – type locality for species • †Sinutropis • †Sinutropis esthetica – type locality for species • †Sinutropis spiralis – type locality for species • †Siphonophrentis – tentative report • †Siskiyouspira • †Skenidioides • †Skenidioides multifarius • †Smithiphyllum • †Sociophyllum • †Sociophyllum glomerulatum – or unidentified comparable form • †Solenopleura • †Solenopora'' • †Solenopora compacta • †Solenopora filiformis • †Solenopsis – tentative report • †Sowerbina • †Sowerbina timanica – or unidentified comparable form • †Sowerbyella • †Sowerbyella praecursor – type locality for species • †Sowerbyella rectangularis – type locality for species • †Spathognathodus • †Spathognathodus inclinatus • †Spencella • †Spencella acanthina • †Spencella montanensis • †Sphaerina • †Sphaerina congregata • †Sphaerocodium'' • †Sphaerodoma • †Sphenosteges • †Sphenosteges hispidus – or unidentified related form • †Spinatrypa • †Spinatrypa spinosa • †Spinatrypa trulla – or unidentified comparable form • †Spinicharybdis • †Spinicharybdis boucoti – type locality for species • †Spinicharybdis krizi – type locality for species • †Spinulrichospira – type locality for genus • †Spinulrichospira cheeneetnukensis – type locality for species • †Spinulrichospira churkini – type locality for species • †Spirifer'' • †Spirifer allatus – or unidentified related form • †Spirifer anossofi • †Spirifer bifurcatus – or unidentified related form • †Spirifer bisulcatus – or unidentified related form • †Spirifer cheiropteryx – or unidentified comparable form • †Spirifer disjunctus • †Spirifer duplicicostatus • †Spirifer hians • †Spirifer incertus – or unidentified related form • †Spirifer indeferens • †Spirifer keokuk – or unidentified related form • †Spirifer missouriensis – or unidentified related form • †Spirifer mosquensis – or unidentified related form • †Spirifer pellensis – or unidentified related form • †Spirifer schellwieni – or unidentified related form • †Spirifer subcomprimatus • †Spirifer thetides – or unidentified comparable form • †Spirifer thetidis • †Spiriferella • †Spiriferella arctica • †Spiriferella artica • †Spiriferella interplicata – or unidentified related form • †Spiriferella keilhavii • †Spiriferella pseudotibetana • †Spiriferellina • †Spiriferellina cristata – or unidentified related form • †Spiriferina • †Spiriferina holtzapfeli – or unidentified related form • †Spiriferina panderi – or unidentified related form • †Spiriferinaella • †Spiriferinaella artiensis – or unidentified related form • †Spiriferinaella tastubensis – or unidentified related form • Spirorbis'' • †Spongophyllum • †Spyroceras • †Squamularia • †Stauria • †Stegocoelia – tentative report • †Stelliporella • †Stenoloron • †Stenoloron swallovana – or unidentified related form • †Stenopora • †Stenorhynchia • †Stenoscisma • †Stenoscisma bisinuata – or unidentified related form • †Stenoscisma crumena – or unidentified related form • †Stenoscisma margaritovi • †Stenoscisma mutabilis – or unidentified related form • †Stenoscisma purdoni – or unidentified related form • †Stenoscisma spitzbergiana • †Stictopora • †Stigmosphaerostylus • †Stigmosphaerostylus itsukaichiensis • †Stipespongia – type locality for genus • †Stipespongia laminata – type locality for species • †Straparollina • †Straparollina circe • †Straparollina eurydice – or unidentified comparable form • †Straparollus • †Straparollus spergenensis – or unidentified related form • †Streblopteria • †Streblopteria montpelierensis – or unidentified related form • †Streblotrypa – tentative report • †Streptacis • †Streptacis subgracilis – or unidentified related form • †Streptorhynchus • †Streptorhynchus pelargonatum – or unidentified related form • †Streptorhynchus pelargonatus – or unidentified related form • †Streptotrochus • †Streptotrochus amicus – or unidentified comparable form • †Striatifera • †Striatifera ischmensis – or unidentified related form • †Striatopora • †Striatostyliolina • †Stringocephalus • †Stringocephalus burtini • †Stringophyllum • †Strobeus • †Stromatopora • †Strophalosia – tentative report • †Strophomena'' • †Strophomena comitans • †Strophomena fugax – or unidentified comparable form • †Strophomena planobesa • †Strophomena stephani • †Strophonella • †Strophostylus • †Styliolina • †Styliolina fissurella • †Subanarcestes – tentative report • †Sumatrina – tentative report • †Svalbardia • †Svalbardia toulai • †Sycidium • †Syringopora'' • †Syringopora formosa – type locality for species • †Syringopora obesa • †Syringopora rockfordensis • †Syringopora schulzei • †Syringoporella • †Syringoporella rara – type locality for species • †Syringoporinus • †Syringothyris ==T==

• †Tabularia • †Tabulophyllum • †Taeniocrada'' • †Taimyrophyllum • †Taimyrrhynx • †Taimyrrhynx taimyrico • †Taphrorthis • †Taphrorthis immatura • †Tchaiaspis • †Tcherskidium • †Tcherskidium unicum • †Teganium • †Teguliferina – tentative report • †Teichertina • †Telinopsis • †Tentaculites'' • †Tenticospirifer • †Tenticospirifer wadleighensis • †Terrakea – tentative report • †Tersella • †Tersella sainsburyi – type locality for species • †Tetradium • †Tetragraptus • †Tetragraptus quadribrachiatus – or unidentified comparable form • †Tetraprioniodus – tentative report • †Thamniscus – tentative report • †Thamnophyllum • †Thamnopora • †Thamnosia • †Thamnosia arctica • †Thecostegites • †Theodossia • †Theodossia albertoensis • †Tholifrons – type locality for genus • †Tholifrons adevna – type locality for species • †Tholifrons minutus – type locality for species • †Thysanophyllum • †Thysanophyllum astraeiforme • †Thysanophyllum orientale • †Tiramnia • †Tiramnia greenlandica • †Tityrophora – tentative report • †Tollina • †Tortodus • †Tortodus kockelianus • †Tortodus kockeliensis • †Torynifer • †Torynifer pseudolineatus – or unidentified related form • †Tostonia • †Trabeculites • †Transridgeia – type locality for genus • †Transridgeia costata – type locality for species • †Trapezophyllum • †Tremanotus • †Trepospira – tentative report • †Triaenosphaera • †Triaenosphaera hebes • †Triarthrus'' • †Trigonirhynchia • †Trigonirhynchia ventricosa – or unidentified related form • †Triplophyllum • †Triticites • †Trochomphalus • †Trochomphalus dimidiatus • †Trochonema • †Trochonema retrorsum – or unidentified related form • †Trochonema wartheni • †Trochonemella • †Trochonemella churkini – type locality for species • †Trochonemella reusingi – type locality for species • †Tropidodiscus • †Tryplasma • †Tscherkidium • †Tuberculatella • †Tuberculatella tuberculata – or unidentified related form • †Tubina • †Turbonellina • †Turbonellina chatzepovkensis – or unidentified related form • †Turbospongia – type locality for genus • †Turbospongia biperforata – type locality for species • †Turrilepas • †Turrilepas type locality for species A – informal • †Tuxekanella • †Tuxekanella simplex ==U==