Les genres d’ammonites

Cette liste d’ammonites (projet en cours, traduit de l’article anglais) est une première tentative pour lister tous les genres de la sous-classe Ammonoidea (hors termes vernaculaires).

Cette liste comprend les genres communément acceptés (en italique), mais aussi les genres désormais considérés comme invalidés, douteux, n’ayant plus cours ou n’ayant pas encore été officiellement publié (désignations « nomen nudum »), dans la sous-classe des ammonites.

* En décembre 2007, cette liste contenait 2187 noms de genre.

Conventions de nommage et terminologie

Ce sont celles du Code international de la Nomenclature zoologique (ICZN)

Fiabilité de cette liste

La plupart des noms de genre de cette liste provient du recueil publié par Jack Sepkoski en 2002 sur les genres de fossiles marins.
Des genres d’ammonite découverts après l’époque de cette publication peuvent donc manquer.

D’autre part, en raison du grand nombre de genres d’ammonites, parce qu’ils sont mal connus, et parce que cette liste ne veut pas mentionner les noms invalides, les synonymes et les noms douteux, cet article sous-estime nécessairement le nombre réel de genre décrits et plus encore ceux présents dans les collections privées ou publiques.

Les lecteurs et contributeurs spécialistes sont invités à compléter cette liste (en précisant leurs sources).
Genres devant être retires de cette liste, ou susceptibles de l’être

Actuellement, aucun genre present dans cette liste ne correspond à cette catégorie

A

Ab

* Abbasites
* Abichites
* Abrytasites
* Abrytusites

Ac

* Acanthaecites
* Acanthinites
* Acanthoceras
* Acanthoceratites
* Acanthoclymenia
* Acanthodiscus
* Acanthohoplites
* Acantholytoceras
* Acanthopleuroceras
* Acanthoplites

Acanthoptychoceras

* Acanthoscaphites

* Acompsoceras
* Aconeceras
* Acriclymenia
* Acrimeroceras
* Acrioceras
* Acrocanites
* Acrochordiceras
* Acuariceras
* Acuticostites
* Acutimitoceras

Ad

* Adkinsia
* Adkinsites
* Adrianites

Ae

* Aegasteroceras
* Aegoceras
* Aegocrioceras
* Aegolytoceras
* Aenigmatoceras

Ag

* Agassiceras
* Agastrioceras

* Agathiceras
* Agoniatites

Ai

* Ainoceras
* Aioloceras

Ak

* Akmilleria
* Aktubinskia
* Aktubites

* Aktuboclymenia

Al

* Alanites
* Alaoceras
* Albanites
* Alcidellus
* Aldanites
* Alfeldites
* Algericeras
* Algerites

* Alligaticeras
* Alloceratites
* Alloclionites
* Allocrioceras
* Alloptychites
* Almites
* Almohadites
* Alocolytoceras
* Alpinites
* Alsatites
* Altudoceras
* Alurites

Am

* Amaltheus
* Amarassites
* Amauroceras

Amorina
Am (Cont.)

* Ammonellipsites
* Ammonitoceras
* Ammonoceratites
* Amoebites
* Amoeboceras
* Amphipoanoceras

* Amphistephanites
* Ampthillia

An

* Anacleoniceras
* Anadesmoceras
* Anaflemingites
* Anagaudryceras
* Anagymnites
* Anagymnotoceras
* Anahamulina
* Anahoplites
* Anaklinoceras

* Analytoceras
* Ananorites
* Anapachydiscus
* Anarcestes
* Anascaphites
* Anasibirites
* Anasirenites
* Anatibetites
* Anatomites
* Anatropites
* Anatsabites
* Anavirgatites
* Anaxenaspis
* Anclyoceras

* Ancolioceras
* Andersonites
* Anderssonoceras
* Andesites
* Andiceras
* Androgynoceras
* Anetoceras
* Aneuretoceras
* Anfaceras
* Anglesites
* Angranoceras
* Angulaticeras
* Anisarcestes
* Anisoceras

* Ankinatsytes
* Annuloceras
* Anolcites
* Anotoceras
* Anthracoceras
* Anthracoceratites
* Anthracoceratoides

Ap

* Aphanites
* Apleuroceras
* Aplococeras
* Apoderoceras
* Apsorroceras

Aq

* Aquilonites

Ar

* Araneites
* Araxoceras
* Arcanoceras
* Arcestes
* Archoceras
* Arcthoplites
* Arcticoceras

Ar (Cont.)

* Arctocephalites
* Arctoceras
* Arctogymnites
* Arctohungarites
* Arctomeekoceras
* Arctomercaticeras
* Arctoprionites
* Arctoptychites
* Arctosirenites

* Arctotirolites
* Arestoceras
* Argentiniceras
* Argolites
* Argonauticeras
* Argosirenites
* Arianites
* Aricoceras
* Arieticeras
* Arietites
* Arietoceltites
* Arisphinctes

* Aristoceras
* Aristoceratoides
* Aristoptychites
* Arkanites
* Armatites

Arnaudiella

Arnaudiceras

* Arnioceltites
* Arnioceras
* Arniotites
* Arpadites
* Arthaberites
* Artinksia

* Artioceras
* Artareites
* Artioceratoides

As

* Asaphoceras
* Asapholytoceras
* Asklepioceras
* Aspenites
* Asphinctites
* Aspidoceras
* Aspidostephanus
* Aspinoceras
* Asteroceras
* Asthenoceras
* Astiericeras
* Astieridiscus
* Astreptoceras
* Asturoceras

At

* Ataxioceras
* Atlantoceras
* Atsabites

Au

* Audaxlytoceras

Audouliceras

* Augurites
* Aulacosphinctes
* Aulacosphinctoides
* Aulacostephanus
* Aulasimoceras
* Aulatornoceras
* Austiniceras
* Australiceras
* Austroceratites
* Austrotrachyceras[1]

Av

* Aveyroniceras

Ax

* Axinolobus
* Axonoceras

B

Ba

* Bacchites
* Bactrites
* Baculina
* Baculites
* Badiotites
* Bagnolites[2]
* Balatonites
* Balearites
* Balkanites
* Balticeras
* Balvia
* Bamyaniceras
* Baronnites

Barrancyloceras

* Barrandeites
* Barremites
* Barroisiceras
* Baschkirites
* Bashkortoceras
* Baskaniiceras
* Basleoceras
* Bauchioceras
* Bayleites

Be

* Beaniceras
* Beatites
* Beleutoceras
* Beloceras
* Benacoceras
* Beneckeia
* Benueites
* Berbericeras
* Berniceras

Be (Cont.)

* Berriasella
* Berrosiceras
* Betyokites
* Beudanticeras
* Beudantiella
* Bevahites
* Beyrichites
* Beyrichoceras
* Beyrichoceratoides

Bh

* Bhimaites

Bi

* Bifericeras
* Bigotites
* Bihenduloceras
* Bilinguites
* Billcobbanoceras
* Biloclymenia
* Biltnerites
* Binatisphinctes

Biniceras

* Binneyites
* Biplices
* Bisatoceras

Bl

* Blanforidceras

Bo

* Bochianites
* Bodylevskites
* Boehmoceras
* Boesites
* Bogdanoceras
* Bollandites
* Bollandoceras
* Boreomeekoceras
* Borissiakoceras
* Borkinia

Bo (Cont.)

* Bornhardticeras
* Bosnites
* Bostrychoceras
* Bostrychoceras
* Boucaulticeras
* Bouleiceras

Br

* Bradfordia
* Brahmaites
* Bramkampia
* Brancoceras
* Branneroceras
* Branneroceratoides
* Brasilia
* Bredyia

Breskovskiceras

* Brevikites
* Brewericeras
* Brightia
* Brodieia
* Brotheotrachyceras[3] — originally published as a subgenus of Trachyceras
* Brouwerites

Bu

* Buchiceras
* Budaiceras
* Buddhaites

Buergliceras

* Bukowskiites
* Bullatimorphites
* Bulogites
* Bunburyiceras
* Burckhardites
* Burijites
* Busnardoites

C

Ca

* Cabrievoceras
* Cadoceras
* Cadomites
* Cadomoceras
* Caenisites
* Caenocyclus
* Caenolyroceras
* Cainoceras
* Calaiceras
* Californiceras
* Callihoplites
* Calliphylloceras
* Calliptychoceras
* Callizoniceras
* Caloceras
* Calycoceras
* Campylites
* Canadoceras
* Canavarella
* Canavaria
* Canavarites
* Cancelloceras
* Cantabricanites
* Cantabrigites
* Cardiella
* Cardioceras
* Carinoceras
* Carinoclymenia
* Carinophylloceras
* Carnites
* Carstenia
* Carthaginites
* Caspianites
* Catacoeloceras
* Catasigaloceras
* Catulloceras
* Caucasites
* Caumontisphinctes
* Cavilentia

Ce

* Celaeceras
* Cenisella
* Ceratites
* Ceratpbeloceras

Ch

* Chamoussetia
* Chanasia
* Changhsingoceras
* Cheiloceras
* Cheloniceras
* Cheltonia
* Chesapeakiceras
* Chetaites
* Chioceras
* Chiotites
* Choffatia

Ch (Cont.)

* Choffaticeras
* Chondroceras
* Choristoceras
* Christioceras
* Christophoceras
* Chumazites

Ci

* Cibolaites
* Cibolites
* Cicatrites
* Cirroceras

Cl

* Cladiscites
* Clambites
* Cleistosphinctes
* Cleoniceras
* Clinolobus
* Clionitites
* Clioscaphites
* Clistoceras
* Cloioceras
* Cluthoceras
* Clydomphalites
* Clydoniceras
* Clydonites
* Clymenia
* Clymenoceras
* Clypeoceras

Co

* Coahuilites
* Cobbanites
* Cobbanoscaphites
* Cochloceras
* Cochleiferoceras
* Cochlocrioceras
* Coeloceltites
* Coeloceras
* Coeloderoceras
* Coilopoceras
* Colchidites
* Collectoceras
* Collignoniceras
* Collignonites
* Collina
* Collotia
* Colombiceras
* Coloradoscaphites
* Columbites
* Concavites
* Conlinoceras
* Constileioceras
* Convoluticeras
* Cordubiceras
* Coroceras
* Corongoceras
* Coroniceras

Co (Cont.)

* Coronites
* Costaclymenia
* Costidiscus
* Costileioceras
* Costimitoceras
* Cottreauites
* Couloniceras
* Cowtoniceras

Cr

* Cranocephalites
* Craspedites
* Craspedodiscus
* Crassiceras
* Crassiplanulites
* Crassotornoceras
* Cravenites
* Cravenoceras
* Cravenoceratoides
* Creniceras
* Crickites
* Crimites
* Crioceras
* Crioceratites
* Cruasiceras
* Crucilobiceras
* Crussoliceras
* Cryptoclymenia
* Cryptotexanites
* Cryptocrioceras

Ct

* Ctenobactrites
* Cteroclymenia

Cu

* Cubaochetoceras
* Cuccoceras
* Cuneicardioceras
* Cunitoceras
* Cunningtoniceras

Curiolia

* Cutchisphinctes
* Cuyaniceras

Cy

* Cyclobactrites
* Cycloceltites
* Cyclolobus
* Cycloclymenia
* Cylioceras
* Cymaceras
* Cymaclymenia
* Cymahoplites
* Cymbites
* Cymoceras
* Cyrtobactrites
* Cyrtochilus
* Cyrtoclymenia
* Cyrtopleurites
* Cyrtosiceras

Cz

* Czekanowskites

D

Da

* Dactylioceras
* Dagnoceras
* Daixites
* Dalmasiceras
* Dalmatites
* Damesiceras
* Damesites
* Danubisphinctes
* Danubites
* Daphnites
* Daraelites
* Darellia
* Darvasiceras
* Dasyceras
* Daxatina
* Dayiceras

De

* Decipia
* Decorites
* Deiradoceras
* Delecticeras
* Delepinoceras
* Delphinites
* Demarezites
* Derolytoceras
* Deshayesites
* Desmoceras
* Desmophyllites
* Desmoscaphites
* Devonobactrites
* Devonopronorites

Dh

* Dhosaites
* Dhrumaites

Di

* Diaboloceras
* Diadochoceras

Diamanticeras

* Diaplococeras
* Diaziceras
* Dichotomites

Di (Cont.)

* Dichotomoceras
* Dichotomosphinctes
* Dickersonia
* Dicostella
* Didymites
* Didymoceras
* Dieneria
* Difunites
* Digitophyllites
* Dilatobactrites
* Dimeroceras
* Dimeroclymenia
* Dimorphinites
* Dimorphites
* Dimorphoceras
* Dimorphoceratoides
* Dimorphoplites
* Dimorphotoceras
* Dinarites
* Diodochoceras
* Dionites
* Diplacmoceras
* Diplasioceras
* Diplesioceras
* Diplomoceras
* Diplosirenites
* Dipoloceras
* Dipoloceroides
* Dirrymoceras
* Discoceratites
* Discoclymenia
* Discohoplites

Discoidellia

* Discophiceras
* Discophyllites
* Discoptychites
* Discoscaphites
* Discosphinctes
* Discosphinctoides
* Discotropites
* Distichites
* Distichoceras
* Distoloceras
* Dittmarites
* Divisosphinctes

Dj

* Djurjuriceras

Do

* Dobrodgeiceras
* Dobrogeites
* Docidoceras
* Dombarigloria
* Dombarites
* Dombarocanites
* Donetzoceras
* Dorikranites
* Dorsetensia
* Dorsoplanites
* Doryceras
* Doubichites
* Douvilleiceras

Dr

* Drepanites
* Drumoceras

Du

* Duashnoceras
* Dufrenoya
* Dumortieria
* Dunbarites
* Dunedinites
* Dunveganoceras
* Durangites
* Durotrigensia
* Durvilleoceras

Duyeina
Dy

* Dyscheiloceras

Dz

* Dzhaprakoceras
* Dzhulfoceras

E

Eb

* Eboraciceras
* Eboroceras
* Ebrayiceras

Ec

* Echioceratoides
* Echiocheras
* Ectocentrites
* Ectolcites

Ed

* Edmundites

Eg

* Egrabensiceras

El

* Eleganticeras
* Elephantoceras
* Ellipsoceras
* Elobiceras

Em

* Emaciaticeras
* Emileia
* Emilites
* Emperoceras

En

* Enayites
* Engonoceras
* Enosphinctes
* Entogonites

Eo

* Eoacrochordiceras
* Eoaraxoceras
* Eoasianites
* Eobeloceras
* Eocanites
* Eocephalites
* Eochetoceras
* Eocrioceratites
* Eodanubites
* Eoderoceras
* Eodesmoceras
* Eodouvilleiceras
* Eogaudryceras
* Eogonioloboceras
* Eogunnarites
* Eogymnites
* Eohecticoceras
* Eoheteroceras
* Eohyattoceras
* Eomadrasites
* Eonomismoceras
* Eopachydiscus
* Eoparalegoceras
* Eophyllites

Eo (Cont.)

* Eoprodromites
* Eoprotrachyceras
* Eopsiloceras
* Eosagenites
* Eoscaphites
* Eoschistoceras
* Eosturia
* Eotetragonites
* Eothalassoceras
* Eothinites
* Eotissotia
* Eowellerites

Ep

* Epacrioceras
* Epacrochordiceras
* Epadrianites
* Epancyloceras
* Eparietites
* Epaspidoceras
* Epicanites
* Epiceltites
* Epiceltitoides
* Epicephalites
* Epiceratites
* Epicheloniceras
* Epicosmoceras
* Epideroceras
* Epiglyphioceras
* Epiglyptoxoceras
* Epigonites
* Epigymnites
* Epihoplites
* Epijuresanites
* Epileymeriella
* Epimayaites
* Epimorphoceras
* Epipallasiceras
* Epipeltoceras
* Episageceras
* Episculites
* Epistrenoceras
* Epithalassoceras
* Epitornoceras
* Epivirgatites
* Epiwocklumeria
* Epophioceras
* Eptitauroceras

Er

* Erbenoceras
* Eremites
* Erinoceras
* Erioliceras
* Eristavites
* Ermoceras
* Erycites
* Erymnoceras
* Erymnocerites

Es

* Esericeras

Eu

* Euagassiceras
* Euaptetoceras
* Euaspidoceras
* Eubaculites
* Eubostrychoceras
* Eubranoceras
* Eucalycoceras
* Eucoroniceras
* Eucycloceras
* Eudiscoceras
* Eudmetoceras
* Euflemingites
* Euhoplites
* Euhoploceras
* Euhystrichoceras
* Euisculites
* Eulophoceras
* Eulytoceras
* Eumedlicottia
* Eumorphoceras
* Euomphaloceras
* Eupachydiscus
* Euphylloceras
* Eupinacoceras
* Eupleuroceras
* Euprionoceras
* Euptychoceras
* Eurites
* Euroceras
* Eurycephalites
* Eurynoticeras
* Eusagenites
* Eutomoceras
* Euturrilites

Ex

* Exiteloceras
* Exotornoceras

Ez

* Ezilloella

F

Fa

* Fagesia
* Falciclymenia
* Falciferella
* Falcitornoceras
* Fallacites
* Falloticeras
* Fanninoceras
* Farbesiceras
* Farnhamia
* Fascipericyclus
* Favrella
* Fayettevillea

Fe

* Fehlmannites
* Ferganoceras

Fi

* Ficheuria
* Fikaites
* Finiclymenia
* Fissilobiceras

Fl

* Flabellisphinctes
* Flemingites
* Flexiclymenia
* Flexispinites
* Flexoptychites
* Flickia

Fo

* Fontanelliceras
* Fontannesia

Fo (Cont.)

* Fontannesiella
* Foordites
* Forbescieras
* Forresteria
* Fournierella

Fr

* Frankites
* Frechiella
* Frechites
* Frenguelliceras
* Fresvillia
* Frogdenites

Fu

* Fuciniceras

G

Ga

* Gabbioceras
* Gabillytes
* Gaetanoceras
* Gagaticeras
* Galaticeras
* Galbanites
* Gangadharites
* Garantiana
* Gargasiceras
* Garniericeras
* Garnierisphinctes
* Gassendiceras
* Gastrioceras
* Gastroplites
* Gattendorfia
* Gattenpleura
* Gaudryceras
* Gaurites
* Gauthiericeras
* Gazdaganites

Ge

* Gemmellaroceras
* Gentoniceras
* Genuclymenia
* Georgioceras
* Germariceras
* Geyeroceras
* Gevanites

Gi

* Girtyoceras

Gl

* Glabrophysodoceras
* Glamocites
* Glaphyrites
* Glassoceras
* Glatziella
* Glaucolithites
* Gleboceras
* Glebosoceras
* Gleviceras
* Glochiceras
* Glottoptychinites
* Glyphidites
* Glyphiolobus
* Glyptarpites
* Glyptoceras
* Glyptoxoceras

Gn

* Gnomohalorites

Go

* Gogoceras
* Goliathiceras
* Goliathites
* Goniatites
* Gonioclymenia
* Goniocyclus
* Gonioglyphioceras
* Gonioloboceras
* Gonioloboceratoides
* Gonionotites

Gonneticeras

* Gonolkites
* Goodhallites

Gr

* Gracilisphinctes
* Gracilites
* Grambergia
* Grammoceras
* Grandidiericeras
* Graphoceras
* Gravesia
* Grayiceras
* Graysonites
* Gregoryceras
* Griesbachites
* Groebericeras
* Groenlandites
* Grossouvria
* Grossouvrites

Gu

* Guembelites
* Guhsania
* Guleilmites
* Guleimiceras
* Gulielmina
* Gunnarites

Gy

* Gyaloceras
* Gymnites
* Gymnodiscoceras
* Gymnoplites
* Gymnotoceras
* Gymnotropites
* Gyroceratites
* Gyroclymenia
* Gyronites

H

Ha

* Haidingerites
* Halilucites
* Halorites
* Hamites
* Hamiticeras
* Hamitoides
* Hammatoceras
* Hammatocyclus
* Hamulina
* Hamulinites
* Hanielites
* Hannaoceras
* Hantkeniceras
* Haploceras
* Haplophylloceras
* Haplopleuroceras
* Haploscaphites
* Haresiceras
* Harpoceras
* Harpoceratoides
* Harpohildoceras
* Harpophylloceras
* Hatchericeras
* Hauericeras
* Hauerites
* Haugia

He

* Hebetoxyites
* Hecticoceras
* Hectioceras
* Hectioceratoides
* Hectoroceras
* Hedenstroemia
* Heinzia
* Helicancylus
* Helicocyclus
* Helictites
* Hemiaspenites
* Hemibaculites
* Hemigarantia

He (Cont.)

* Hemihaploceras
* Hemihoplites
* Hemilecanites
* Hemilytoceras
* Hemiptychoceras
* Hemisimoceras
* Hemitetragonites
* Hemitissotia
* Hengestites
* Heraclites
* Hertleinites
* Herznachites
* Heteroceras
* Heterotissotia
* Hexaclymenia

Hi

* Hibernicoceras
* Hildaites
* Hildoceras
* Hildoceratoides
* Hildoglochiceras
* Himalayites
* Himantoceras
* Himavatites
* Himispiticeras

Hl

* Hlawiceras

Ho

* Hodsonites
* Hoeninghausia
* Hoepenites
* Hoffmannia
* Holcodiscoides
* Holcodiscus
* Holcolissoceras
* Holcophylloceras
* Holcolytoceras
* Holcoptychites
* Hollandites
* Holzapfeloceras
* Holzbergia
* Homerites

Ho (Cont.)

* Homoceras
* Homoceratoides
* Homoeoplanulites
* Hoplikosmokas
* Hoplites
* Hoplitoides
* Hoplitoplacenticeras
* Hoplocardioceras
* Hoplocrioceras
* Hoploscaphites
* Hoplotropites
* Horioceras
* Hourcquia

Hu

* Hubertoceras
* Hudlestonia
* Hudsonoceras
* Huishuites
* Hulenites
* Hunanites
* Hungarites

Hy

* Hyattites
* Hyattoceras
* Hybonoticeras
* Hypacanthoplites
* Hyparpadites
* Hypengonoceras
* Hyperderoceras
* Hypergoniatites
* Hyperlioceras
* Hyphantoceras
* Hyphoplites
* Hypisculites
* Hypocladiscites
* Hypophylloceras
* Hypoturrilites
* Hypoxynoticeras
* Hyrcanites
* Hysteroceras

I

Ib

* Iberites

Id

* Idanoceras[4]
* Idiocycloceras
* Idiohamites
* Idoceras

Il

* Ilowaiskya

Im

* Imitoceras
* Imlayiceras

In

* Inaigymnites
* Indigirites

In (Cont.)

* Indigirophyllites
* Indoceltites
* Indocephalites
* Indoceras
* Indojuvavites
* Indonesites
* Indoscaphites
* Indosphinctes
* Iniskinites
* Intoceras
* Intornites
* Intranodites
* Involuticeras

In (Cont.)

* Inyoites
* Inzeroceras

Ir

* Iranoceras
* Irinoceras

Is

* Isculites
* Isculitoides
* Ismidites
* Isohomoceras
* Isohoplites
* Isterites
* Istreites

J

J

* Jacobites
* Janenschites
* Japonites
* Jauberticeras

Je

* Jeanneticeras
* Jeanvogericeras
* Jeletzkytes

Je (Cont.)

* Jellinekites

Ji

* Jimboiceras
* Jimenites

Jo

* Joannites
* Jouaniceras
* Jovites

Ju

* Juddiceras
* Judicarites
* Juraphyllites
* Juresanites
* Juvavites
* Juvenites

K

Ka

* Kabylites
* Kachpurites
* Kalloclymenia
* Kamerunoceras
* Kammerkaroceras
* Kamptoclymenia
* Kamptokephalites
* Karaclymenia
* Karagandoceras
* Karamaiceras
* Karamaites
* Karangatites
* Karapadites
* Karaschiceras
* Kardailites
* Karlwaageites
* Karsteniceras
* Kashmirites
* Katacanites
* Katroliceras
* Katrolites
* Kayutoceras
* Kazakhoceras
* Kazakhoclymenia
* Kazakhstania
* Kazakhstanites
* Kazanskyella

Ke

* Kellawaysites
* Kellnerites
* Kelteroceras
* Kenseyoceras
* Kepplerites
* Kerberites
* Keyserlingites

Kh

* Kheraiceras
* Kheraites
* Khvalynites

Ki

* Kiaclymenia
* Kielcensia
* Kilianella
* Kimoceras
* Kingites
* Kingoceras
* Kinkeliniceras
* Kiparisovia
* Kiparisovites
* Kirsoceras
* Kitchinites

Kl

* Klamathites
* Klematosphinctes
* Klipsteinia

Kn

* Knemiceras

Ko

* Koenenites
* Kohaticeras
* Kokenia
* Koloceras
* Komioceras
* Koninckites
* Korythoceras
* Kosmermoceras
* Kosmoceras
* Kosmoclymenia
* Kossmatella
* Kossmatia
* Kossmaticeras

Kotetishvilia

* Kozhimites

Kr

* Krafftoceras
* Kranaosphinctes
* Krumbeckia

Ku

* Kufengoceras
* Kumatostephanus
* Kurnubiella
* Kushanites
* Kutatissites

L

La

* Labeceras
* Laboceras
* Labyrinthoceras
* Laganoclymenia
* Lagowites
* Lambericeras
* Lanceolites
* Lanceoloboceras
* Laqueoceras
* Latanarcestes
* Latisageceras
* Laugeites

Le

* Lecanites
* Lechites
* Lecointriceras
* Leconteiceras
* Leconteites
* Leeites
* Lehmaniceras
* Leioceras
* Leiophyllites
* Leislingites
* Lemuroceras
* Lenotropites
* Lenticeras
* Lenticoceltites
* Leopoldia
* Leptaleoceras
* Leptechioceras

Le (Cont.)

* Lepthoplites
* Leptoceras
* Leptonotoceras
* Leptosphinctes
* Leptotetragonites

Leroyceras

* Leukadiella
* Lewesiceras
* Lewyites
* Leymeriella

Li

* Liardites
* Libycoceras
* Lilloetia
* Limaites
* Linguaclymenia
* Linguatornoceras
* Lingyunites
* Lioceratoides
* Liosphinctes
* Liparoceras
* Lipuites
* Lissoceras
* Lissoclymenia
* Lissoceratoides
* Lissonia
* Lissonites
* Lithacoceras
* Lithancylus

Lo

* Lobites
* Lobobactrites
* Lobokosmokeras
* Lobolytoceras
* Lobosphinctes
* Lobotornoceras
* Loczyceras
* Lomonossovella
* Longaeviceras
* Longobardites
* Longobarditoides
* Lopholobites
* Lorioloceras
* Lotzeites

Lu

* Ludwigia
* Lunuloceras
* Lupherites
* Luppovella
* Lusitanites

Ly

* Lycetticeras
* Lyelliceras
* Lyrogoniatites
* Lytheoceras
* Lyticoceras
* Lytoceras
* Lytocrioceras
* Lytodiscoides
* Lytogyroceras
* Lytohoplites

M

Ma

* Macrocephalites
* Macroscaphites
* Madagascarites
* Maenioceras
* Magharina
* Malayites
* Malladaites
* Malletophychites
* Maltoniceras
* Mammites
* Manambolites
* Mancosiceras
* Mangeroceras
* Manoloviceras
* Mantelliceras
* Manticoceras
* Manuaniceras
* Maorites
* Mapesites[5]
* Marathonites
* Margaritropites
* Marianoceras
* Mariella
* Marshallites
* Martolites
* Masiaposites
* Masonites
* Maternoceras
* Mathoceras
* Mathoceratites
* Maximites
* Mayaites
* Mazapilites

Me

* Medlicottia
* Meekoceras
* Megacrioceras
* Megalytoceras
* Megaphyllites
* Megapronorites
* Megasphaeroceras
* Megatyloceras
* Meginoceras
* Melagathiceras

Me (cont.)

* Melchiorites
* Melonites
* Melvilloceras

Memmiella

* Menabites
* Menabonites
* Meneghiniceras
* Menuites
* Menuthiocrioceras
* Mercaticeras
* Merocanites
* Mescalites
* Mesobeloceras
* Mesocladiscites
* Mesoclymenia
* Mesogaudryceras
* Mesopuzosia
* Mesosimoceras
* Mesoturrilites
* Metacanites
* Metacarnites
* Metacymbites
* Metadagnoceras
* Metaderoceras
* Metadimorphoceras
* Metadinarites
* Metagravesia
* Metahamites
* Metahaploceras
* Metahedenstroemia
* Metahoplites
* Metalegoceras
* Metalytoceras
* Metapatoceras
* Metapeltoceras
* Metaplacenticeras
* Metapronorites
* Metaptychoceras
* Metarnioceras
* Metasibirites
* Metasigaloceras
* Metassuria
* Metatibetites
* Metatissotia
* Metengonoceras
* Metinyoites
* Metoicoceras
* Metoxynoticeras
* Metrolytoceras
* Metussuria
* Mexicoceras

Mi

* Miccocephalites
* Michalskia
* Michiganites
* Micracanthoceras
* Microbactrites
* Microbiplices
* Microdactylites
* Microderoceras
* Micromphalites
* Microtropites
* Miklukhoceras
* Miltites
* Mimagoniatites
* Mimimitoceras
* Mimosphinctes
* Mirilentia
* Miroclymenia
* Mirojuvavites
* Mirosphinctes
* Mitonia
* Mixomanticoceras
* Miyakoceras

Mo

* Moffitites
* Mojsisovicsites
* Mojsisoviczia
* Mojsvarites
* Monacanthites
* Mongoloceras
* Monophyllites
* Moremanoceras
* Morphoceras
* Morrisiceras
* Morrowites
* Mortoniceras
* Moutoniceras

Mu

* Mucrodactylites
* Muensterites
* Muensteroceras
* Muniericeras

My

* Myloceras

N

Na

* Nairites
* Nannites
* Nannocardioceras
* Nannolytoceras
* Nannostephanus
* Nannovascoceras
* Nassichukites
* Nathorstites
* Nautellipsites

Ne

* Neancyloceras
* Nebraskites
* Nebrodites
* Negebites
* Nejdia
* Neoaganides
* Neobibolites
* Neocardioceras
* Neochetoceras
* Neocladiscites
* Neoclypites
* Neocolumbites
* Neocomites
* Neocosmoceras
* Neocraspedites
* Neocrimites
* Neocrioceras
* Neocrioceras
* Neodeshayesites
* Neogastroplites
* Neogauthiericeras
* Neogeoceras
* Neoglaphyrites
* Neoglyphioceras
* Neoglytoxoceras

Ne (cont.)

* Neogoniatites
* Neograhamites
* Neoharpoceras
* Neohimavatites
* Neohoploceras
* Neoicoceras
* Neokentoceras
* Neolioceratoides
* Neolissoceras
* Neolobites
* Neomantelliceras
* Neomanticoceras
* Neomicroceras
* Neomorphoceras
* Neopericyclus
* Neopharciceras
* Neophlycticeras
* Neophylloceras
* Neopopanoceras
* Neopronorites
* Neoprotrachyceras
* Neoptychites
* Neopulchellia
* Neosaynoceras
* Neoselwynoceras
* Neoshumardites
* Neosilesites
* Neosirenites
* Neostlingoceras
* Neotibetites
* Neouddenites
* Neuqueniceras
* Nevadisculites
* Nevadites
* Nevadoceras
* Nevadophyllites
* Newboldiceras
* Newmarracarroceras

Ni

* Niceforoceras
* Nicklesia
* Nicomedites
* Nielsenoceras
* Nigericeras
* Nipponites
* Nitanoceras

No

* Nodiocoeloceras
* Nodosageceras
* Nodosoclymenia
* Nodosohoplites
* Nodotibetites
* Noetlingites
* Nolaniceras
* Nomismoceras
* Nordiceras
* Nordophiceras
* Noridiscites
* Norites
* Normannites
* Nostoceras
* Nothocephalites
* Nothosporadoceras
* Nothostephanus
* Notoceras
* Nowakites

Nu

* Nuculoceras
* Nummoceras

O

Ob

* Obrutchevites
* Obsoleticeras
* Obtusicostites

Oc

* Ochetoceras
* Ochotoceras
* Odontodiscoceras

Oe

* Oecoptychius
* Oecotraustes

Oi

* Oiophyllites
* Oistoceras

Ok

* Okribites

Ol

* Olcostephanus
* Olenekoceras
* Olenikites

On

* Onitshoceras
* Onychoceras

Oo

* Oosterella

Op

* Ophiceras
* Ophilyroceras
* Oppelia

Or

* Oraniceras
* Orestites
* Organoceras
* Orionoides
* Ornatoclymenia
* Orthaspidoceras
* Orthildaites
* Orthoceltites
* Orthogarantiana
* Orthosphinctes

Or (cont.)

* Orulganites

Os

* Ostlingoceras

Ot

* Otoceltites

Ot (cont.)

* Otoceras
* Otohoplites
* Otoites
* Otoscaphites

Ov

* Ovaticeras

Ow

* Owenites
* Owenoceras

Ox

* Oxintoceras
* Oxybeloceras
* Oxycerites
* Oxydiscites
* Oxylenticeras
* Oxynoticeras
* Oxyparoniceras
* Oxytornoceras
* Oxytropidoceras

P

* Pachycardioceras
* Pachyceras
* Pachyclymenia
* Pachydesmoceras
* Pachydiscoides
* Pachydiscus
* Pachyerymnoceras
* Pachylyroceras
* Pachylytoceras
* Pachypictonia
* Pachysphinctes
* Padagrosites
* Padragosiceras
* Palaeogoniatites
* Palaeokazachstanites
* Palaeophyllites
* Palermites
* Palicites
* Palnerostephanus
* Paltaopites
* Paltechioceras
* Pamphagosirenites
* Paprothites
* Paquiericeras
* Paraacrochordiceras
* Parabactrites
* Parabehavites
* Paraberriasella
* Parabevalites
* Paraboliceras
* Paraboliceratoides
* Paracadoceras
* Paracalycoceras
* Paracanthoplites
* Paraceltites
* Paraceratites
* Paraceratitoides
* Paracladiscites
* Paraconlinoceras
* Paracorniceras
* Paracraspedites
* Paracravenoceras
* Paracrioceras
* Paracuariceras
* Paracymbites
* Paradanubites
* Paradasyceras
* Paradasyceras
* Paradeshayesites
* Paradimeroceras
* Paradimorphoceras
* Paradinarites
* Paradistichites
* Paradolphia
* Paraganides
* Paragastrioceras
* Paragattendorfia
* Paragoceras
* Paraguembelites
* Paragymnites
* Parahauerites
* Parahildaites
* Parahomoceras
* Parahoplites
* Parajaubertella
* Parajuvavites
* Parakellnerites
* Paralcidia
* Paralegoceras
* Paralenticeras
* Paralobites
* Paralytoceras
* Paramammites
* Parammatoceras
* Paranannites
* Paranclyoceras
* Parandiceras
* Paranorites
* Paranoritoides
* Paranoritoides
* Parapallasiceras
* Parapatoceras
* Parapeltoceras
* Paraperrinites
* Paraphyllites
* Parapinacoceras
* Paraplacites
* Parapopanoceras
* Parapronorites
* Parapuzosia
* Pararasenia
* Pararcestes
* Pararnioceras
* Parasageceras
* Parasaynoceras
* Paraschartymites
* Paraschistoceras
* Parashumardites
* Parasibirites
* Parasilesites
* Parasolenoceras
* Paraspidites
* Paraspidoceras
* Paraspiticeras
* Parastieria
* Parastrenoceras
* Parasturia
* Paratexanites
* Parathetidites
* Parathisbites
* Paratibites
* Paratirolites
* Paratissotia
* Paratorleyoceras
* Paratornoceras
* Paratrachyceras
* Paratropites
* Paraturrilites
* Paravirgatites
* Parawedekindia
* Parawocklumeria
* Parayakutoceras
* Parengonoceras
* Parentites
* Parinodiceras
* Parkinsonia
* Parodiceras
* Parodontoceras
* Paroecotraustes
* Paroniceras
* Paroxynoticeras
* Partschiceras
* Parussuria
* Paryphoceras
* Pascoeites
* Paskentites
* Passendorferia
* Patagiosites
* Paulotropites
* Pavlovia
* Pavloviceras

Pe

* Pearylandites
* Pectinatites
* Pedioceras
* Peirescites
* Peltoceras
* Peltoceratoides
* Peltocrioceras
* Peltolytoceras
* Peltomorphites
* Pennoceras
* Pentagonoceras
* Pericarinoceras
* Pericleites
* Pericyclus
* Peripleurites
* Perisphinctes
* Peritrochia
* Pernoceras
* Peroniceras

Pe (cont.)

* Peronoceras
* Perrinites
* Perrinoceras
* Pervinquieria
* Petitclercia
* Petrolytoceras
* Petteroceras
* Peytonoceras

Ph

* Phaneroceras
* Phanerostephanus
* Pharciceras
* Phaularpites
* Phaulostephanus
* Phaulozigzag
* Phillipites
* Phillipsoceras
* Phlycticeras
* Phlycticrioceras
* Phlyseogrammocera
* Phoenixites
* Phormedites
* Phricodoceras
* Phylloceras
* Phyllocladiscites
* Phyllopachyceras
* Phylloptychoceras
* Phyllytoceras
* Phymatoceras
* Physematites
* Physeogrammoceras
* Physodoceras

Pi

* Pictetia
* Pictonia
* Pimelites
* Pinaclymenia
* Pinacoceras
* Pinacoplacites
* Piriclymenia

Pl

* Placenticeras
* Placites
* Planammatoceras
* Planisphinctes
* Plasmatoceras
* Platotropites
* Platyclymenia
* Platycuccoceras
* Platygoniatites
* Platylenticeras
* Platynoticeras
* Platypleuroceras
* Playfordites
* Plesiacanthoceras
* Plesiacanthoides
* Plesiohamites
* Plesiospitidiscus
* Plesiotissotia
* Plesioturrilites
* Pleuroacanthites
* Pleurocephalites
* Pleuroceras
* Pleurodistichites
* Pleurohoplites
* Pleurolytoceras
* Pleuronodoceras
* Pleuropinacoceras
* Pleurotexanites
* Pleydellia
* Plictetia

Po

* Poculisphinctes
* Poecilomorphus
* Polaricyclus
* Politoceras
* Polonites
* Polonoceras
* Polymorphites
* Polyplectites
* Polyplectus
* Polyptychites
* Polyptychoceras
* Polysphinctes
* Pomerania
* Pompeckioceras
* Pompeckjites
* Ponteixites
* Ponticeras
* Popanites
* Popanoceras
* Poporites
* Porpoceras
* Postglatziella
* Posttornoceras

Pr

* Praebigotites
* Praedaraelites
* Praeglyphioceras
* Praemanambolites
* Praemeroceras
* Praemuniericeras
* Praeparkinsonia
* Praesphaeroceras
* Praestrigites
* Praetollia
* Pravitoceras
* Preflorianites
* Preflorianitoides
* Prenkites
* Preshumardites
* Presimoceras
* Pricella
* Prionites
* Prionoceras
* Prionocycloceras
* Prionocyclus
* Prionodoceras
* Proarcestes
* Proavites
* Probeloceras
* Procarnites
* Procerites
* Procerozigzag
* Procheloniceras
* Prochorites
* Procladiscites
* Procliviceras
* Procolumbites
* Procraspedites
* Prodactylioceras
* Prodeshayesites
* Prodromites
* Progalbanites
* Progeronia
* Progonoceratites
* Progonioclymenia
* Prograyiceras
* Proharpoceras
* Prohauericeras
* Prohecticoceras
* Prohelicoceras
* Prohungarites
* Prohysteroceras
* Projuvavites
* Prolecanites
* Proleopoldia
* Proleymeriella
* Prolobites
* Prolyelliceras
* Promantelliceras
* Promicroceras
* Proniceras
* Pronoetlingites
* Pronorites

Pr (cont.)

* Propectinatites
* Properisphinctes
* Properrinites
* Propinacoceras
* Proplacenticeras
* Proplanulites
* Propopanoceras
* Proptychites
* Proptychitoides
* Prorasenia
* Prorsisphinctes
* Prosaphites
* Proshumardites
* Prosiceras
* Prososphinctes
* Prososphinctoides
* Prosphingites
* Prostacheoceras
* Protacanthoceras
* Protacanthodiscus
* Protacanthoplites
* Protaconeceras
* Protactoclymenia
* Protanclyoceras
* Protanisoceras
* Protengonoceras
* Protetragonites
* Proteusites
* Protexanites
* Prothalassoceras
* Protimanites
* Protocanites
* Protoceras
* Protoecotrausites
* Protogrammoceras
* Protohoplites
* Protophites
* Protoplatytes
* Protopopanoceras
* Protornoceras
* Protosageceras
* Protothurmannia
* Prototoceras
* Protoxyclymenia
* Protrachyceras
* Protropites
* Proturrilitoides
* Prouddenites

Ps

* Pseudacompsoceras
* Pseudaetomoceras
* Pseudagathiceras
* Pseudammatoceras
* Pseudargentiniceras
* Pseudarietites
* Pseudarisphinctes
* Pseudaspidites
* Pseudaspidoceras
* Pseudharpoceras
* Pseudhelicoceras
* Pseudhimalayites
* Pseudinvoluticeras
* Pseudoaganides
* Pseudoaspidoceras
* Pseudoaustraliceras
* Pseudobactrites
* Pseudobaculites
* Pseudobarroisiceras
* Pseudobrightia
* Pseudocadoceras
* Pseudocalycoceras
* Pseudocardioceras
* Pseudocarnites
* Pseudoceltites
* Pseudoclambites
* Pseudoclymenia
* Pseudocosmoceras
* Pseudodanubites
* Pseudofavrella
* Pseudoflemingites
* Pseudofoordites
* Pseudogarantiana
* Pseudogarnieria
* Pseudogastrioceras
* Pseudoglaphyrites
* Pseudogrammoceras
* Pseudogregoryceras
* Pseudohalorites
* Pseudohaploceras
* Pseudoinvoluticeras
* Pseudojacobites
* Pseudokatroliceras
* Pseudokossmaticeras
* Pseudokymatites
* Pseudoleymeriella
* Pseudolillia
* Pseudolioceras
* Pseudolissoceras
* Pseudomercaticeras

Pseudometahoplites

* Pseudoneoptychites
* Pseudonomismoceras
* Pseudoosterella
* Pseudoparalegoceras
* Pseudopeltoceras
* Pseudoperisphinctes
* Pseudophyllites
* Pseudoplacenticeras
* Pseudopolyplectus
* Pseudoppelia
* Pseudoprobeloceras
* Pseudopronorites
* Pseudopuzosia
* Pseudosageceras
* Pseudosaynella
* Pseudoshasticrioceras’
* Pseudoschistoceras
* Pseudoschloenbachia
* Pseudosimoceras
* Pseudosirenites
* Pseudosonneratia
* Pseudothetidites
* Pseudothurmannia
* Pseudotibetites
* Pseudotirolites
* Pseudotissotia
* Pseudotoceras
* Pseudotoites
* Pseudotropites
* Pseudovidrioceras
* Pseudovirgatites
* Pseudowaagenia
* Pseudoxybeloceras
* Pseuduptonia
* Psiloceras
* Psilocladiscites
* Psilohamites
* Psilophyllites
* Psilosturia
* Psilotissotia

Pt

* Pterolytoceras
* Pteroscaphites
* Pterosirenites
* Ptycharcestes
* Ptychites
* Ptychoceras
* Ptycholytoceras
* Ptychophylloceras

Pu

* Puchenquia
* Puebloites
* Pulchellia
* Putealiceras
* Puzosia
* Puzosigella

Q

Qi

* Qiannanites

Qu

* Quasicravenoceras
* Quasintoceras

Qu (Cont.)

* Quenstedtoceras
* Quinnites
* Quitmannites

R

Ra

* Radstockiceras
* Raimondiceras
* Rakusites
* Ramosites
* Rasenia
* Rasenoides
* Raymondiceras

Re

* Rectoclymenia
* Reesidites
* Rehmannia
* Reiflingites
* Reineckeia
* Reineckeites
* Renites
* Renziceras
* Repossia
* Reticuloceras
* Retites

Re (cont.)

* Reynesella
* Reynesoceras
* Reynesocoeloceras

Rh

* Rhabdoceras
* Rhacophyllites
* Rhadinites
* Rhaeboceras
* Rhampidoceras
* Rhiphaeoclymenia
* Rhiphaeocyclus
* Rhymmoceras
* Rhytidohoplites

Ri

* Riasanites
* Richardsonites
* Rimkinites
* Ringsteadia

Ro

* Rollerites
* Rollieria
* Roloboceras
* Romaniceras
* Romanites
* Rossalites
* Rotodiscoceras
* Rotopericyclus

Ru

* Rubroceras
* Rugiferites
* Rursiceras
* Rusoceras

Ry

* Ryugasella

S

Sa

* Sageceras
* Sagenites
* Saghalinites
* Sakhaites
* Sakmarites
* Salaziceras
* Salfeldiella
* Saltericeras
* Salterites
* Sandbergeroceras
* Sandlingites
* Sangzhites
* Sanmartinoceras
* Sanyangites
* Sarasinella

Sarkariceras

* Saxoceras
* Saynella
* Saynoceras

Sc

* Scalarites
* Scaphamites
* Scaphites
* Scaphitodites
* Scarburgiceras
* Schartymites
* Schindewolfites
* Schindewolfoceras
* Schistoceras
* Schistophylloceras
* Schloenbachia
* Schlotheimia
* Schuichengoceras
* Schwandorfia
* Sciponoceras
* Schizoclymenia
* Scoticardioceras

Se

* Sellaclymenia
* Sellagoniatites
* Sellanarcestes
* Selwynoceras
* Semenovites
* Semiformiceras
* Semiornites
* Serpianites
* Serramanticoceras
* Seymourites

Sh

* Shakraceras
* Shangraoceras
* Shaoyangoceras
* Sharpeiceras
* Shasticrioceras
* Shastoceras
* Shengoceras
* Shikhanites
* Shirbuirnia
* Shouchangoceras
* Shumardites

Si

* Siberiptychites
* Sibirites
* Sibyllites
* Sicanites
* Sicilioceras
* Siculites
* Siemiradzkia
* Sigaloceras
* Silberlingites
* Silenticeras
* Silesites
* Silesitoides
* Simaspidoceras
* Simbirskites
* Simichelloceras
* Simmoceras
* Simoceras
* Simocosmoceras

Si (cont.)

* Simonyceras
* Simosphinctes
* Simotoichites
* Sindeites
* Sinotites
* Sinzovia
* Sirenites
* Sirenotrachyceras
* Sivajiceras
* Sizilites

Sk

* Skirroceras
* Skolekostephanus

Sl

* Slatterites

So

* Sobolewia
* Sohlites
* Sokolovites
* Solenoceras
* Solgerites
* Soliclymenia
* Somaliceras
* Somalites
* Somoholites
* Sonneratia
* Sonninia
* Sornayceras
* Sosioceras
* Sowerbyceras

Sp

* Spathiceras
* Spathites
* Speetoniceras
* Sphaeroceras
* Sphaerocladiscites
* Sphaerocoeloceras
* Sphaerodomites
* Sphaeromanticoceras
* Sphaeroptychius
* Sphenarpites
* Sphenoclymenia
* Sphenodiscus
* Sphingites
* Spinammatoceras
* Spinokosmoceras
* Spinoleiophyllites
* Spiroceras
* Spirogmoceras
* Spirolegoceras
* Spiticeras
* Spitidiscus
* Sporadoceras

St

* Stacheites
* Stacheoceras
* Stantonoceras
* Staufenia
* Stegoxyites
* Stehnocephalites
* Steinmannites
* Stemmatoceras
* Stenarcestes
* Stenocadoceras
* Stenoclymenia
* Stenocyclus
* Stenoglaphyrites
* Stenopharciceras
* Stenopopanoceras
* Stenopronorites
* Stephanites
* Stephanoceras
* Stikinoceras
* Stoliczkaia
* Stolleites

St (cont.)

* Stomohamites
* Stoppaniceras
* Streblites
* Strebliticeras
* Strenoceras
* Striatosirenites
* Strigoceras
* Strigogoniatites
* Strungia
* Sturia
* Styracoceras
* Styrites

Su

* Subalpinites
* Subarcthoplites
* Subastieria
* Subbarroisiceras
* Subbonarellia
* Subcollina
* Subcolumbites
* Subcraspedites
* Subdichotomoceras
* Subgrossouvria
* Subinyoites
* Subitoceras
* Subkossmatia
* Sublithacoceras
* Sublunuloceras
* Submantelliceras
* Submeekoceras
* Submortoniceras
* Subnebrodites
* Subneumayria
* Subolenekites
* Suboosterella
* Subperrinites
* Subplanites
* Subprionocyclus
* Subpulchellia
* Subsaynella
* Subshumardites
* Substeueroceras
* Substreblites
* Subthurmannia
* Subtissotia
* Subvertebriceras
* Subvishnuites
* Sudeticeras
* Sulciferites
* Sulcimitoceras
* Sulcoclymenia
* Sulcodimorphoceras
* Sulcogirtyoceras
* Sulcohamites
* Sulcohamitoides
* Sulcohoplites
* Sundaites
* Sunites
* Surenites
* Sutneria

Sv

* Svalbardiceras
* Sverdrupites
* Svetlanoceras

Sy

* Sympolycyclus
* Synartinskia
* Syngastrioceras
* Synpharciceras
* Synuraloceras
* Synwocklumeria
* Syrdenites

T

Ta

* Tabantalites
* Taffertia
* Talenticeras
* Tamarites
* Tapashanites
* Taramelliceras
* Tardeceras
* Tarrantoceras
* Taskanites
* Tauroceras
* Taxyites

Te

* Tectiretites
* Tegoceras
* Teicherticeras
* Telermoceras
* Teloceras
* Telodactylus
* Temnoptychites
* Terektites

Terrestrina

* Teshioites
* Tetragonites
* Tetrahoplites
* Tetrahoplitoides
* Tetraspidoceras
* Texanites
* Texoceras

Th

* Thallassoceras
* Thambites
* Thamboceras
* Thanamites
* Theganoceras
* Thetidites
* Thisbites
* Thomasites
* Thomelites
* Thorsteinssonoceras
* Thraxites
* Thurmannia
* Thurmanniceras

Ti

* Tibetites
* Ticinites
* Tiltoniceras
* Timanites
* Timanoceras
* Timorites
* Tirolites
* Tissotia
* Titanites
* Tithopeltoceras

Tj

* Tjururpites

Tm

* Tmaegoceras
* Tmaegophioceras
* Tmetoceras

To

* Tollia
* Tolypeceras
* Tompophiceras
* Tongluceras
* Tongoboroceras
* Tonoceras
* Torcapella
* Toricellites
* Torleyoceras
* Tornia
* Tornoceras
* Tornquisites
* Tornquistites
* Torquatisphinctes
* Tovebirkelundites
* Toxamblyites
* Toxancyloceras
* Toxoceras
* Toxoceratoides
* Toxolioceras
* Tozerites

Tr

* Trachybaculites
* Trachyceras
* Trachylytoceras
* Trachypleuraspidites
* Trachysagenites
* Trachyscaphites
* Trachystenoceras

Tr (cont.)

* Tragodesmoceras
* Tragodesmoceroides
* Tragolytoceras
* Tragophylloceras
* Trahhyceras[6] — erreur typographique pour Trachyceras
* Transicoeloceras
* Traskites
* Treptocceras
* Trettinoceras
* Triaclymenia
* Triagolytoceras
* Triainoceras
* Tridentites
* Trigonogastrioceras
* Trilobiticeras
* Trimanticoceras
* Trimarginia
* Trimarginites
* Triozites
* Tritropidoceras
* Trizonoceras
* Trochleiceras
* Trochoclymenia
* Trolliceras
* Tropaeum
* Tropiceltites
* Tropidoceras
* Tropigastrites
* Tropigymnites
* Tropites
* Tropitoides
* Truyolsoceras

Ts

* Tsvetkovites

Tu

* Tuberodiscoides
* Tugurites
* Tulites
* Tumaroceras
* Tumilites
* Tunesites
* Tunglanites
* Turrilites
* Turrilitoides

Ty

* Tympanoceras
* Tyrannites

U

Uc

* Uchtites

Ud

* Uddenites
* Uddenoceras

Uh

* Uhligella
* Uhligia
* Uhligites

Um

* Umbetoceras
* Umiates

Un

* Unipeltoceras
* Unquatornoceras

Up

* Uptonia
* Urakawites

Up

* Uraloceras
* Uraloclymenia
* Uralopronorites

Us

* Ussuria
* Ussurites

Ut

* Utaturiceras

V

Va

* Vacekia
* Valanginites
* Valdedorsella
* Vallites
* Vandaites
* Vascoceras

Vasicekina

* Vavilovites

Ve

* Velebites
* Veleziceras
* Venezoliceras
* Verancoceras

Ve (Cont.)

* Vermiceras
* Vermisphinctes
* Verneuilites
* Vertebriceras
* Vertebrites
* Veveysiceras

Vi

* Vicininodiceras
* Vickohlerites
* Vidrioceras
* Villania
* Vinalesites

Vi (Cont.)

* Vinalesphinctes
* Virgataxioceras
* Virgatites
* Virgatopavlovia
* Virgatosimoceras
* Virgatosphinctes
* Virgatospinctoides
* Vishnuites

Vo

* Voehringerites

Vr

* Vredenburgites

W

Wa

* Waagenina
* Waagenoceras
* Waehneroceras
* Wagnericeras
* Waldthausenites
* Wangoceras
* Wasatchites
* Watinoceras

We

* Wedekindella
* Wellerites
* Wellsites

We (Cont.)

* Welterites
* Werneroceras
* Wewokites

Wh

* Wheatleyites
* Whitbyiceras

Wi

* Wichmanniceras
* Wiedeyoceras
* Winchelloceras

Wi (Cont.)

* Windhauseniceras
* Winslowoceras
* Wintonia
* Witchellia

Wo

* Wocklumeria
* Wopfingites
* Wordieoceras
* Worthoceras

Wr

* Wrightoceras

Wy

* Wyomingites

X

Xe

* Xenoceltites
* Xenocephalites
* Xenodiscus

Xe (Cont.)

* Xenodrepanites
* Xenostephanus

Xi

* Xipheroceras
* Xiphogymnites

Y

Ya

* Yabeiceras
* Yakounia
* Yakutoceras

Ya (Cont.)

* Yakutoglaphyrites

Ye

* Yezoites

Yi

* Yinoceras

Yo

* Yokoyamaceras

Z

Za

* Zadelsdorfia
* Zaraiskites

Ze

* Zealandites
* Zemistephanus
* Zenoites
* Zephyroceras

Ze (Cont.)

* Zetoceras

Zi

* Zigzagiceras
* Ziyunites

Zo

* Zonovia

Zu

* Zuercherella
* Zugodactylites

Zu (Cont.)

* Zugokosmoceras
* Zuluiceras
* Zuluscaphites
* Zurcherella
* Zurcheria

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