List of prehistoric foraminiferans

=A=

*"Abadehella"
*"Abathomphalus"
*"Abditodentrix"
*"Abdullaevia"
*"Abrardia"
*"Abyssamina"
*"Acarinina"
*"Accordiella"
*"Acervoschwagerina"
*"Acervulina"
*"Aciculella"
*"Acostina"
*"Acruliammina"
*"Actinocyclina"
*"Actinosiphon"
*"Adelosina"
*"Adelungia"
*"Adercotryma"
*"Adhaerentia"
*"Adraheutina"
*"Aeolisaccus"
*"Aeolostreptis"
*"Affinetrina"
*"Afghanella"
*"Afrobolivina"
*"Agathammina"
*"Agathamminoides"
*"Agglutinella"
*"Agglutisolena"
*"Akiyoshiella"
*"Aktinorbitoides"
*"Alabamina"
*"Alabaminoides"
*"Aleomorphella"
*"Alfredina"
*"Alliatina"
*"Alliatinella"
*"Allomorphina"
*"Allomorphinella"
*"Almaena"
*"Alpillina"
*"Alpinophragmium"
*"Altasterella"
*"Altinerina"
*"Altistoma"
*"Alveocyclammina"
*"Alveolina"
*"Alveolinella"
*"Alveolophragmium"
*"Alveosepta"
*"Alveovalvulina"
*"Alzonella"
*"Ambitropus"
*"Amijiella"
*"Ammoastuta"
*"Ammobacularia"
*"Ammobaculites"
*"Ammobaculoides"
*"Ammocycloculina"
*"Ammodiscella"
*"Ammodiscoides"
*"Ammodiscus"
*"Ammoelphidiella"
*"Ammoglobigerina"
*"Ammolagena"
*"Ammomarginulina"
*"Ammonia"
*"Ammopalmula"
*"Ammoscalaria"
*"Ammosiphonia"
*"Ammosphaeroidina"
*"Ammospirata"
*"Ammotium"
*"Ammotrochoides"
*"Ammovertella"
*"Ammovertellina"
*"Ammovolummina"
*"Amphicervicis"
*"Amphicoryna"
*"Amphimorphina"
*"Amphisorus"
*"Amphistegina"
*"Amphitremoida"
*"Amphoratheca"
*"Amplectoproductina"
*"Anaticinella"
*"Anchispirocyclina"
*"Andamookia"
*"Andersenia"
*"Andersenolina"
*"Andrejella"
*"Androsina"
*"Angotia"
*"Angulodiscus"
*"Angulogavelinella"
*"Angulogerina"
*"Anictosphaera"
*"Annectina"
*"Annulocibicides"
*"Annulofrondicularia"
*"Annulopatellina"
*"Anomalinella"
*"Anomalinoides"
*"Antalyna"
*"Antarcticella"
*"Apertauroria"
*"Apterrinella"
*"Aragonella"
*"Aragonia"
*"Arakaevella"
*"Archaealveolina"
*"Archaecyclus"
*"Archaediscus"
*"Archaeglobigerina"
*"Archaeochintinia"
*"Archaeochitosa"
*"Archaeosepta"
*"Archaesphaera"
*"Archaias"
*"Archiacina"
*"Arenagula"
*"Areniconulus"
*"Arenobulimina"
*"Arenodosaria"
*"Arenogaudryina"
*"Arenonionella"
*"Arenoparrella"
*"Arenosiphon"
*"Arenoturrispirillina"
*"Arenovidalina"
*"Armenina"
*"Arnaudiella"
*"Articularia"
*"Articulina"
*"Asanoina"
*"Asanonella"
*"Asanospira"
*"Aschemocella"
*"Ascoliella"
*"Asselodiscus"
*"Assilina"
*"Astacolus"
*"Asterigerina"
*"Asterigerinata"
*"Asterigerinella"
*"Asterigerinoides"
*"Asteroammonia"
*"Asteroarchaediscus"
*"Asterocyclina"
*"Asterohedbergella"
*"Asterolepidina"
*"Asterophragmina"
*"Asterorbis"
*"Asterorotalia"
*"Astrononion"
*"Astrorhiza"
*"Astrorotalia"
*"Asymmetrina"
*"Atactolituola"
*"Ataxoorbignyna"
*"Ataxophragmium"
*"Atelikamara"
*"Atwillina"
*"Aubignyna"
*"Audienusina"
*"Auloconus"
*"Aulotortus"
*"Auroria"
*"Austrocolomiá"
*"Austrotrillina"
*"Avesnella"
*"Awhea"
*"Axiopolina"
*"Ayalaina"

B

*"Babelispirillina"
*"Baculogypsina"
*"Baculogypsinoides"
*"Baelenia"
*"Baggatella"
*"Baggina"
*"Bagginoides"
*"Baisalina"
*"Baituganella"
*"Balkhania"
*"Bandyella"
*"Banffella"
*"Bannerella"
*"Barbourinella"
*"Barkerina"
*"Barnardina"
*"Bartramella"
*"Bdelloidina"
*"Beedeina"
*"Beella"
*"Belorussiella"
*"Berggrenia"
*"Bermudezella"
*"Bermudezina"
*"Bermudezinella"
*"Berthelina"
*"Berthelinella"
*"Berthelinopsis"
*"Biapertorbis"
*"Biarritzina"
*"Biasterigerina"
*"Bibradya"
*"Biconcava"
*"Bifarilaminella"
*"Bifarina"
*"Bifarinella"
*"Bifurcammina"
*"Bigenerina"
*"Biglobigerinella"
*"Bilingulogavelinella"
*"Biloculinella"
*"Bimonilina"
*"Biokovina"
*"Biorbis"
*"Biparietata"
*"Biplanata"
*"Biplanispira"
*"Bireophax"
*"Biseriammina"
*"Biseriella"
*"Bisphaera"
*"Bispiranella"
*"Bitaxia"
*"Biticinella"
*"Bituberitina"
*"Bitubulogenerina"
*"Biwaella"
*"Blastammina"
*"Blefuscuiana"
*"Blowiella"
*"Bogushella"
*"Bojarkaella"
*"Boldia"
*"Bolivina"
*"Bolivinella"
*"Bolivinellina"
*"Bolivinita"
*"Bolivinoides"
*"Bolivinopsis"
*"Bolkarina"
*"Bolliella"
*"Boltovskoyella"
*"Borelis"
*"Boreloides"
*"Borodinia"
*"Bosniella"
*"Boultonia"
*"Bozorginiella"
*"Brachysiphon"
*"Bradyina"
*"Bramkampella"
*"Brasiliella"
*"Brebina"
*"Brenckleina"
*"Brevaxina"
*"Brizalina"
*"Broeckina"
*"Broeckinella"
*"Bronnimannia"
*"Brunsia"
*"Brunsiella"
*"Buccella"
*"Buccicrenata"
*"Bucherina"
*"Buchnerina"
*"Budashevaella"
*"Bueningia"
*"Bulbobaculites"
*"Bulbobuccicrenata"
*"Bulbophragmium"
*"Bulimina"
*"Buliminella"
*"Buliminellita"
*"Buliminoides"
*"Bullalveolina"
*"Bullopora"
*"Burseolina"
*"Buzasina"
*"Bykovaeina"
*"Bykoviella"

C

*"Calcarina"
*"Calcitornella"
*"Calcivertella"
*"Caligella"
*"Calveziconus"
*"Calvezina"
*"Camagueyia"
*"Campanellula"
*"Cancellina"
*"Cancris"
*"Cancrisiella"
*"Candeina"
*"Candorbulina"
*"Carbonella"
*"Caribeanella"
*"Carinoconus"
*"Carixia"
*"Carpenteria"
*"Carterina"
*"Caspiella"
*"Cassidelina"
*"Cassidella"
*"Cassidulina"
*"Cassidulinella"
*"Cassidulinita"
*"Cassidulinoides"
*"Cassigerinella"
*"Cassigerinelloita"
*"Cataspydrax"
*"Caucasina"
*"Caudriella"
*"Cellonina"
*"Ceratammina"
*"Ceratobulimina"
*"Ceratocancris"
*"Ceratolamarckina"
*"Cerobertina"
*"Cerobertinella"
*"Chablaisia"
*"Chalaroschwagerina"
*"Chalilovella"
*"Chapmanina"
*"Charentia"
*"Charltonina"
*"Chenella"
*"Chenia"
*"Chernobaculites"
*"Chernyshinella"
*"Chernyshinellina"
*"Chiloguembelina"
*"Chiloguembelitria"
*"Chilostomella"
*"Chilostomelloides"
*"Chilostomina"
*"Chitinodendron"
*"Chitinolagena"
*"Chitralina"
*"Choffatella"
*"Chomatomediocris"
*"Chrysalidina"
*"Chrysalidinella"
*"Chrysalogonium"
*"Chrysothurammina"
*"Chubbina"
*"Chusenella"
*"Cibicides"
*"Cibicidina"
*"Cibicidoides"
*"Cibicorbis"
*"Cincoriola"
*"Ciperozea"
*"Circinatiella"
*"Cisalveolina"
*"Citharina"
*"Citharinella"
*"Civrieuxia"
*"Claudostriatella"
*"Clavatorella"
*"Clavelloides"
*"Clavigerinella"
*"Clavihedbergella"
*"Claviticinella"
*"Clavulina"
*"Clavulinoides"
*"Clavulinopsis"
*"Climacammina"
*"Clinapertina"
*"Clypeorbis"
*"Cocoarota"
*"Codonofusiella"
*"Colania"
*"Colaniella"
*"Coleiconus"
*"Coleites"
*"Colomia"
*"Colomita"
*"Colonammina"
*"Comaliamma"
*"Compressigerina"
*"Concavatotruncana"
*"Concavella"
*"Condonofusiella"
*"Condrustella"
*"Conicorbitolina"
*"Conicospirillina"
*"Conilites"
*"Conoglobigerina"
*"Conolagena"
*"Conorbina"
*"Conorbinella"
*"Conorbitoides"
*"Conorboides"
*"Conorotalites"
*"Conotrochammina"
*"Contusotruncana"
*"Coprolithina"
*"Cordatella"
*"Cornuloculina"
*"Cornuspira"
*"Coronipora"
*"Corrigotubella"
*"Corrosina"
*"Corrugatella"
*"Coryphostoma"
*"Coscinophragma"
*"Coscinospira"
*"Coskinolina"
*"Coskinolinoides"
*"Coskinon"
*"Costayella"
*"Costellagerina"
*"Costifera"
*"Coxites"
*"Crenatella"
*"Crenaverneuilina"
*"Crenulostomina"
*"Crespinella"
*"Crespinina"
*"Cribellopsis"
*"Cribranopsis"
*"Cribratina"
*"Cribroaperturata"
*"Cribroelphidium"
*"Cribrogenerina"
*"Cribrogloborotalia"
*"Cribrogoesella"
*"Cribrohantkenina"
*"Cribrohemisphaeroides"
*"Cribrolenticulina"
*"Cribrolinoides"
*"Cribronodosaria"
*"Cribrononion"
*"Cribroparrella"
*"Cribropleurostomella"
*"Cribropullenia"
*"Cribrorobulina"
*"Cribrorotalia"
*"Cribrosphaeroides"
*"Cribrospira"
*"Cribrostomoides"
*"Cribroturretoides"
*"Cristellariopsis"
*"Croneisella"
*"Cruciloculina"
*"Cryptoseptida"
*"Ctenorbitoides"
*"Cubanina"
*"Cuburbita"
*"Cuneolina"
*"Cuneolinella"
*"Cuneus"
*"Cuniculinella"
*"Cursina"
*"Cushmania"
*"Cushmanina"
*"Cuvillierina"
*"Cyclammina"
*"Cycledomia"
*"Cyclindroclavulina"
*"Cycloclypeus"
*"Cycloforina"
*"Cyclolina"
*"Cycloloculina"
*"Cyclopseudedomia"
*"Cyclopsinella"
*"Cycloputeolina"
*"Cyclorbiculina"
*"Cyclorbiculinoides"
*"Cyclorbitopsella"
*"Cylindroclavulina"
*"Cylindrocolaniella"
*"Cylindrotrocholina"
*"Cymbalopora"
*"Cymbaloporella"
*"Cymbaloporetta"
*"Cystammina"

D

*"Dagmarella"
*"Dagmarita"
*"Dainella"
*"Dainita"
*"Dainitella"
*"Daixina"
*"Danubiella"
*"Dariellina"
*"Dariopsidae"
*"Darjella"
*"Darvasites"
*"Daucina"
*"Daucinoides"
*"Daviesiconus"
*"Daviesina"
*"Daxia"
*"Debarina"
*"Deckerella"
*"Deckerellina"
*"Demirina"
*"Dendritina"
*"Dendrophyra"
*"Dentalina"
*"Dentalinella"
*"Dentalinoides"
*"Dentalinopsis"
*"Dentoglobigerina"
*"Derventina"
*"Deuterospira"
*"Dhrumella"
*"Dictyoconella"
*"Dictyoconoides"
*"Dictyoconus"
*"Dictyokathina"
*"Dictyopsella"
*"Dictyopselloides"
*"Dictyorbitolina"
*"Dicyclina"
*"Dimorphina"
*"Diplosphaerina"
*"Diplotremina"
*"Discamminoides"
*"Discanomalina"
*"Discocyclina"
*"Discogypsina"
*"Discoramulina"
*"Discorbinella"
*"Discorbis"
*"Discorbitina"
*"Discorbitura"
*"Discorinopsis"
*"Discorotalia"
*"Discospirina"
*"Dizerina"
*"Dobrogelina"
*"Dogielina"
*"Dohaia"
*"Dolosella"
*"Dorothia"
*"Drepaniota"
*"Drevennia"
*"Droogerinella"
*"Dryorhizopsis"
*"Dukhania"
*"Dunbarinella"
*"Dunbarula"
*"Duostomina"
*"Duotaxis"
*"Duplella"
*"Dutkevichella"
*"Dutkevichites"
*"Dutkevitchia"
*"Dyfrondicularia"
*"Dymia"
*"Dyocibicides"

E

*"Earlandia"
*"Earlandinella"
*"Earlandinita"
*"Eblanaia"
*"Echigoina"
*"Echinoporina"
*"Eclusia"
*"Econgella"
*"Edhemia"
*"Edithaella"
*"Edomia"
*"Eggerella"
*"Eggerellina"
*"Eggerina"
*"Ehrenbergina"
*"Elenella"
*"Elergella"
*"Elhasaella"
*"Ellipsobulimina"
*"Ellipsocristellaria"
*"Ellipsodimorphina"
*"Ellipsoglandulina"
*"Ellipsoidella"
*"Ellipsoidina"
*"Ellipsolingulina"
*"Ellipsopolymorphina"
*"Elongobula"
*"Elphidiella"
*"Elphidioides"
*"Elphidium"
*"Enantiomorphina"
*"Enatiodentalina"
*"Endochernella"
*"Endospiroplectammina"
*"Endostaffella"
*"Endoteba"
*"Endotebanella"
*"Endothyra"
*"Endothyranella"
*"Endothyranopsis"
*"Endotriada"
*"Endotriadella"
*"Eoammosphaeroides"
*"Eoannularia"
*"Eoclavatorella"
*"Eoconuloides"
*"Eocristellaria"
*"Eoendothyra"
*"Eoendothyranopsis"
*"Eoeponidella"
*"Eofabiania"
*"Eoforschia"
*"Eofusulina"
*"Eoglobigerina"
*"Eoguttulina"
*"Eohastigerinella"
*"Eolagena"
*"Eolasiodiscus"
*"Eomarssonella"
*"Eonodosaria"
*"Eoophthalmidium"
*"Eopalorbitolina"
*"Eoparafusulina"
*"Eopolydiexodina"
*"Eoquasiendothyra"
*"Eorupertia"
*"Eoschubertella"
*"Eosigmoilina"
*"Eostaffella"
*"Eostaffeloides"
*"Eotextularia"
*"Eotournayella"
*"Eotuberitina"
*"Eouvigerina"
*"Eoverbeekina"
*"Eovolutina"
*"Eowaeringella"
*"Eowedekindellina"
*"Eozellia"
*"Epiannularia"
*"Epistomaria"
*"Epistomina"
*"Epistominella"
*"Epistominita"
*"Epistominitella"
*"Epistominoides"
*"Epithemella"
*"Eponidella"
*"Eponides"
*"Escornebovina"
*"Eubuliminella"
*"Eulepidina"
*"Eulinderina"
*"Euloxostomum"
*"Eurycheilostoma"
*"Euuvigerina"
*"Euxinita"
*"Everticyclammina"
*"Evlania"
*"Evolutinella"
*"Evolutononion"
*"Evolvocassidulina"
*"Exsculptina"
*"Eygalierina"

F

*"Fabiania"
*"Fabularia"
*"Fallotella"
*"Fallotia"
*"Falsocibicides"
*"Falsogaudryinella"
*"Falsoguttulina"
*"Falsopalmula"
*"Falsoplanulina"
*"Falsotruncana"
*"Falsurgonina"
*"Faujasina"
*"Favocassidulina"
*"Favulina"
*"Favusella"
*"Felsinella"
*"Ferayina"
*"Feurtillia"
*"Fijnonion"
*"Finlayina"
*"Fischerina"
*"Fissoelphidium"
*"Fissurina"
*"Flabellammina"
*"Flabellamminopsis"
*"Flabellinella"
*"Flabellocyclolina"
*"Flagrospira"
*"Flectospira"
*"Flintinella"
*"Flosculinella"
*"Flourensina"
*"Fontbotia"
*"Forschia"
*"Forschiella"
*"Francesita"
*"Freixialina"
*"Frondicularia"
*"Frondiculinata"
*"Frondilina"
*"Frondina"
*"Frondovaginulina"
*"Frumentella"
*"Fursenkoina"
*"Fusarchaias"
*"Fusiella"
*"Fusulina"
*"Fusulinella"

G

*"Gabonita"
*"Galeanella"
*"Galliherina"
*"Gallitellia"
*"Gallowaiina"
*"Galwayella"
*"Gandinella"
*"Ganella"
*"Gansserina"
*"Garantella"
*"Gastroammina"
*"Gaudryina"
*"Gaudryinella"
*"Gaudryinoides"
*"Gaudryinopsis"
*"Gavelinella"
*"Gavelinopsis"
*"Geintzina"
*"Gemellides"
*"Geminospira"
*"Gendrotella"
*"Gerkeina"
*"Gheorghianina"
*"Gigasbia"
*"Giraliarella"
*"Glabratella"
*"Glabratellina"
*"Glandulina"
*"Glandulinoides"
*"Glandulopleurostomella"
*"Globanomalina"
*"Globicuniculus"
*"Globigerapsis"
*"Globigerina"
*"Globigerinatella"
*"Globigerinatheka"
*"Globigerinella"
*"Globigerinelloides"
*"Globigerinita"
*"Globigerinoides"
*"Globigerinoidesella"
*"Globigerinoita"
*"Globigerinopsis"
*"Globigerinopsoides"
*"Globimorphina"
*"Globispiroplectamminha"
*"Globivalvulina"
*"Globobulimina"
*"Globocassidulina"
*"Globochernella"
*"Globoconusa"
*"Globoendothyra"
*"Globofissurella"
*"Globoquadrina"
*"Globoreticulina"
*"Globorosalina"
*"Globorotalia"
*"Globorotalites"
*"Globorotaloides"
*"Globospirillina"
*"Globotetrataxis"
*"Globotruncana"
*"Globotruncanella"
*"Globotruncanita"
*"Globoturborotalita"
*"Globuligerina"
*"Globulina"
*"Globulospinella"
*"Glomalveolina"
*"Glomodiscus"
*"Glomospira"
*"Glomospiranella"
*"Glomospirella"
*"Glomospiroides"
*"Glomotrocholina"
*"Glubokoevella"
*"Glyphostomella"
*"Goesella"
*"Gonatosphaera"
*"Gorbachikella"
*"Gorisella"
*"Goupillaudina"
*"Granuliferella"
*"Granuliferelloides"
*"Gravellina"
*"Grigelis"
*"Grillina"
*"Grillita"
*"Grimsdaleinella"
*"Gsollbergella"
*"Gubkinella"
*"Gublerina"
*"Guembelitria"
*"Guembelitriella"
*"Guembelitrioides"
*"Gunteria"
*"Guppyella"
*"Gutnicella"
*"Guttulina"
*"Gypsina"
*"Gyroconulina"
*"Gyroidina"
*"Gyroidinella"
*"Gyroidinoides"
*"Gyrovalvulina"

H

*"Haddonia"
*"Haerella"
*"Haeuslerella"
*"Hagenowella"
*"Hagenowina"
*"Haimasiella"
*"Halenia"
*"Halkyardia"
*"Hanostaffella"
*"Hansenisca"
*"Hantkenina"
*"Hanzawaia"
*"Haoella"
*"Haplophragmella"
*"Haplophragmina"
*"Haplophragmium"
*"Haplophragmoides"
*"Hastigerina"
*"Hastigerinella"
*"Hastigerinoides"
*"Hastigerinopsis"
*"Hauerina"
*"Haurania"
*"Hayasakaina"
*"Haynesina"
*"Hechtina"
*"Hedbergella"
*"Hedraites"
*"Helentappanella"
*"Helicolepidina"
*"Helicorbitoides"
*"Helicostegina"
*"Helicosteginopsis"
*"Hellenocyclina"
*"Helvetoglobatruncana"
*"Hemicyclammina"
*"Hemidiscus"
*"Hemifusulina"
*"Hemifusulinella"
*"Hemirobulina"
*"Hemisphaerammina"
*"Hemithurammina"
*"Hemlebenia"
*"Hensonia"
*"Hensonina"
*"Hergottella"
*"Heronallenia"
*"Heterantyx"
*"Heterillina"
*"Heterocoskinolina"
*"Heterohelix"
*"Heterolepa"
*"Heteromorphina"
*"Heterostegina"
*"Heterostomella"
*"Hidaella"
*"Hidina"
*"Hiltermannella"
*"Hippocrepina"
*"Hippocrepinella"
*"Hirsutospirella"
*"Histopomphus"
*"Historbitoides"
*"Hoeglundina"
*"Hofkerina"
*"Hofkeruva"
*"Holkeria"
*"Hollandina"
*"Holmanella"
*"Homalohedra"
*"Homotrema"
*"Hopkinsina"
*"Hopkinsinella"
*"Hormosina"
*"Hormosinella"
*"Hospitella"
*"Hottingerella"
*"Hottingerina"
*"Hottingerita"
*"Howchinella"
*"Howchinia"
*"Hoyenella"
*"Hubeiella"
*"Hyalinea"
*"Hyalinonetrion"
*"Hyderia"
*"Hydrania"
*"Hyperammina"
*"Hyperamminita"
*"Hyperamminoides"
*"Hyperbathoides"

I

*"Ichthyolaria"
*"Idalina"
*"Igorina"
*"Ilerdorbis"
*"Illigata"
*"Inaequalina"
*"Inauris"
*"Inflatobolivinella"
*"Inordinatosphaera"
*"Insculptarenula"
*"Insolentitheca"
*"Involutaria"
*"Involutina"
*"Involvina"
*"Iowanella"
*"Iraqia"
*"Irenita"
*"Irregularina"
*"Islandiella"
*"Ismailia"
*"Istriloculina"
*"Iuliusina"
*"Ivanovella"
*"Ivdelina"

R

*"Raadshoovenia"
*"Rabanitina"
*"Racemiguembelina"
*"Radiocyclopeus"
*"Radotruncana"
*"Raibosammina"
*"Ramovsia"
*"Ramulina"
*"Ramulinella"
*"Ranikothalia"
*"Raphconilia"
*"Rauserella"
*"Rauserina"
*"Rectoavesmella"
*"Rectobolivina"
*"Rectobulimina"
*"Rectochernyshinella"
*"Rectocibicides"
*"Rectocornuspira"
*"Rectocyclammia"
*"Rectodictyoconus"
*"Rectoelphidiella"
*"Rectoendothyra"
*"Rectoepistominoides"
*"Rectoeponides"
*"Rectoglomospira"
*"Rectomillerella"
*"Rectoseptaglomospirane"
*"Rectoseptatournayella"
*"Rectostipulina"
*"Rectotournayellina"
*"Rectuvigerina"
*"Recurvoides"
*"Redmondina"
*"Reedella"
*"Reichelina"
*"Reichelinella"
*"Reinholdella"
*"Reissella"
*"Reitlingerina"
*"Remesella"
*"Renulina"
*"Reophacella"
*"Reophax"
*"Repmanina"
*"Resigia"
*"Reticulinella"
*"Reticulogyra"
*"Reticulopalmula"
*"Reticulophragmium"
*"Reticulophrgmoides"
*"Reusella"
*"Reussoolina"
*"Rhabdammina"
*"Rhabdorbitoides"
*"Rhapydionina"
*"Rhenothyra"
*"Rhizammina"
*"Rhodanopeza"
*"Rhodesinella"
*"Rhombobolivinella"
*"Rimalina"
*"Ripacubana"
*"Riveroinella"
*"Riyadhella"
*"Robertina"
*"Robertinoides"
*"Robuloides"
*"Robulus"
*"Robustopachyphloia"
*"Robustoschwagerina"
*"Roglicia"
*"Rosalina"
*"Rotalia"
*"Rotaliatina"
*"Rotaliatinopsis"
*"Rotalidium"
*"Rotalinoides"
*"Rotalipora"
*"Rotamorphina"
*"Rothina"
*"Ruakituria"
*"Ruatoria"
*"Rugobolivinella"
*"Rugoglobigerina"
*"Rugosochusenella"
*"Rugososchwagerina"
*"Rugotruncana"
*"Rupertina"
*"Russiella"
*"Rutherfordoides"
*"Ryadhella"
*"Rzehakina"

*"Sabaudia"
*"Sabellovoluta"
*"Sabulina"
*"Saccammina"
*"Saccamminis"
*"Saccamminoides"
*"Saccamminopsis"
*"Saccarena"
*"Sacchararena"
*"Saccorhina"
*"Saccorhiza"
*"Sagenina"
*"Sagoplecta"
*"Sagrina"
*"Sagrinopsis"
*"Saidovina"
*"Sakesaria"
*"Sakhiella"
*"Salpingthurammina"
*"Saltovskajina"
*"Sanderella"
*"Sansabaina"
*"Saracenaria"
*"Saracenella"
*"Saraswati"
*"Satorina"
*"Saudia"
*"Scandonea"
*"Scarificatina"
*"Schackoina"
*"Schackoinella"
*"Scheibnerova"
*"Scherochorella"
*"Schlosserina"
*"Schlumbergerella"
*"Schmidita"
*"Schubertella"
*"Schwagerina"
*"Sculptobaculites"
*"Scyphocodon"
*"Scythiloculina"
*"Seabrookia"
*"Semiendothyra"
*"Semiinvoluta"
*"Seminovella"
*"Semirosalina"
*"Semitextularia"
*"Semivalvulina"
*"Senalveolina"
*"Septabrunsiina"
*"Septaforschia"
*"Septagathammina"
*"Septatournayella"
*"Septigerina"
*"Serovaina"
*"Serpenulina"
*"Serpulopsis"
*"Sestronophora"
*"Shanita"
*"Shastrina"
*"Shengella"
*"Sherbornina"
*"Shouguania"
*"Shuguria"
*"Sichotenella"
*"Siculocosta"
*"Siderolites"
*"Sieberina"
*"Sigalia"
*"Sigalitruncana"
*"Sigmavirgulina"
*"Sigmella"
*"Sigmoidella"
*"Sigmoihauerina"
*"Sigmoilina"
*"Sigmoilinita"
*"Sigmoilopsis"
*"Sigmomorphina"
*"Silicomassilina"
*"Silicosigmoilina"
*"Silicotuba"
*"Silvestriella"
*"Simionescella"
*"Simobaculites"
*"Simplalveolina"
*"Simplorbites"
*"Simplorbitolina"
*"Sinzowella"
*"Siphogaudryina"
*"Siphogenerina"
*"Siphogenerinoides"
*"Siphoglobulina"
*"Sipholagena"
*"Siphonaperta"
*"Siphonides"
*"Siphonina"
*"Siphoninella"
*"Siphoninoides"
*"Siphonodosaria"
*"Siphonofera"
*"Siphonoscutula"
*"Siphotextularia"
*"Siphouvigerina"
*"Sirtina"
*"Sitella"
*"Sivasella"
*"Skinnerina"
*"Smoutina"
*"Sogdianina"
*"Somalina"
*"Soriella"
*"Sorites"
*"Sornayina"
*"Sorosphaera"
*"Sorosphaerella"
*"Sorostomasphaera"
*"Spandelinoides"
*"Sphaerogypsina"
*"Sphaeroidina"
*"Sphaeroidinella"
*"Sphaeroidinellopsis"
*"Sphaeroschwagerina"
*"Sphaerulina"
*"Spinobrunsiina"
*"Spinochernella"
*"Spinodiscorbis"
*"Spinoendothyra"
*"Spinolaxina"
*"Spinothyra"
*"Spinotournayella"
*"Spiraloconulus"
*"Spirapertolina"
*"Spiriamphorella"
*"Spirillina"
*"Spirobolivina"
*"Spiroclypeus"
*"Spirocyclina"
*"Spirofrondicularia"
*"Spirolina"
*"Spirolingulina"
*"Spiroloculina"
*"Spiroloxostoma"
*"Spiroplecta"
*"Spiroplectammina"
*"Spiroplectina"
*"Spiroplectinata"
*"Spiroplectinella"
*"Spiropsammia"
*"Spirosigmoilina"
*"Spirosigmoilinella"
*"Spirosolenites"
*"Spirotecta"
*"Spirotrocholina"
*"Sporadotrema"
*"Sporobulimina"
*"Sporobuliminella"
*"Staffella"
*"Stainforthia"
*"Stedumia"
*"Stegnammina"
*"Steinetella"
*"Stellarticulina"
*"Stenocyclina"
*"Stensioina"
*"Stetsonia"
*"Stichocassidulina"
*"Stichocibicides"
*"Stilostomella"
*"Stomasphaera"
*"Stomatorbina"
*"Stomatostoecha"
*"Stomoloculina"
*"Storrsella"
*"Storthosphaera"
*"Streptalveolina"
*"Streptochilus"
*"Streptocyclammina"
*"Striataella"
*"Strictocostella"
*"Strigialifusus"
*"Subalveolina"
*"Subbdelloidina"
*"Subbotina"
*"Sublamarckella"
*"Suggrunda"
*"Sulcoperculina"
*"Sulcorbitoides"
*"Sumatrina"
*"Svenia"
*"Svratkina"
*"Syzranella"
*"Syzrania"

T

*"Taberina"
*"Taitzehoella"
*"Takayanagia"
*"Talimuella"
*"Talpinella"
*"Tappanella"
*"Tappanina"
*"Tasmanammina"
*"Tayamaia"
*"Technitella"
*"Tenisonina"
*"Tennuitella"
*"Tentifrons"
*"Tentilenticulina"
*"Tergrigorjanzaella"
*"Testacarinata"
*"Tetragonulina"
*"Tetraminouxia"
*"Tetrataxis"
*"Tewoella"
*"Textularia"
*"Textulariella"
*"Textulariopsis"
*"Textulina"
*"Tezaquina"
*"Thailandina"
*"Thalamophaga"
*"Thalmannammina"
*"Thalmannita"
*"Thekammina"
*"Tholosina"
*"Thomasinella"
*"Thompsonella"
*"Thurammina"
*"Thuramminoides"
*"Thuramminopsis"
*"Ticinella"
*"Tikhinella"
*"Timanella"
*"Timidonella"
*"Tinophodella"
*"Tiphotrocha"
*"Tobolia"
*"Tollmannia"
*"Tolypammina"
*"Topalodiscorbis"
*"Torinosuella"
*"Toriyamaia"
*"Torreina"
*"Torremiroella"
*"Torresina"
*"Tortaguttus"
*"Tortonella"
*"Torulumbonina"
*"Tosaia"
*"Tournarchaediscus"
*"Tournayella"
*"Tournayellina"
*"Trachelinella"
*"Transversigerina"
*"Tremachora"
*"Trepeilopsis"
*"Triadodiscus"
*"Triasina"
*"Tribrachia"
*"Tricarinella"
*"Trichohylas"
*"Trifarina"
*"Triloculina"
*"Triloculinella"
*"Triloculinoides"
*"Triloculinopsis"
*"Trinitella"
*"Triplasia"
*"Trispirina"
*"Tristix"
*"Tritaxia"
*"Tritaxilina"
*"Triticites"
*"Tritubulogenerina"
*"Trochammina"
*"Trochamminoides"
*"Trochamminula"
*"Trochospira"
*"Trochospirillina"
*"Trochulina"
*"Trochylina"
*"Truncorotalia"
*"Truncorotaloides"
*"Tschokrakella"
*"Tubeporella"
*"Tubeporina"
*"Tuberendothyra"
*"Tuberitina"
*"Tubinella"
*"Tubispirodiscus"
*"Tuborecta"
*"Tubulogenerina"
*"Turborotalia"
*"Turborotalita"
*"Turcmeniella"
*"Turkmenella"
*"Turrilina"
*"Turrispirillina"
*"Turrispiroides"
*"Turritellella"

U

*"Unicosiphonia"
*"Unitendina"
*"Uralinella"
*"Uralodiscus"
*"Uralofusulinella"
*"Urbanella"
*"Urgonina"
*"Urnulinella"
*"Usbekistania"
*"Uslonia"
*"Uviella"
*"Uvigerina"
*"Uvigerinammina"
*"Uvigerinella"

Y

*"Yabeina"
*"Yaberinella"
*"Yangchienia"
*"Yaucorotalia"
*"Yneziella"

Z

*"Zarodella"
*"Zeaflorilus"
*"Zeauvigerina"
*"Zelamarckina"
*"Zellerina"
*"Zellia"
*"Ziguiella"
*"Zotheculifida"