List of ammonite genera

A variety of ammonite forms, from Ernst Haeckel's 1904 Kunstformen der Natur.

This list of ammonites is a comprehensive listing of genera that are included in the subclass †Ammonoidea, excluding purely vernacular terms. The list includes genera that are commonly accepted as valid, as well those that may be invalid or doubtful (nomina dubia), or were not formally published (nomina nuda), as well as junior synonyms of more established names, and genera that are no longer considered ammonites.

Reliability of this list

Most of the generic names in this list come from Jack Sepkoski's 2002 compendium of marine fossil genera, which can be corroborated by other sources such as Part L, Ammonoidea, in the Treatise on Invertebrate Paleontology. Additional generic names included come from the Treatise or various peer review scientific journals.

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries.

A

Ab

Ac

Ae

Ag

Ai

Ak

  • Akmilleria
  • Aktubinskia
  • Aktubites
  • Aktuboclymenia

Al

Am

An

Ap

Aq

Ar

Ar (Cont.)

As

At

Au

Av

Ax

Ammolite is an iridescent gem stone made from the shells of fossil ammonites
The Triassic ammonites Arcestes intuslabiatus (top) and A. binacostomus (bottom), from what is now Austria
Reconstruction of Annuloceras summersi.
Asteroceras, a Jurassic ammonite from England.

B

  • Borkinia
  • Bornhardticeras
  • Bosnites
  • Bostrychoceras
  • Boucaulticeras
  • Bouleiceras
  • Bradfordia
  • Brahmaites
  • Bramkampia
  • Brancoceras
  • Branneroceras
  • Branneroceratoides
  • Brasilia
  • Bredyia
  • Brevikites
  • Brewericeras
  • Brightia
  • Brodieia
  • Brotheotrachyceras[3] originally published as a subgenus of Trachyceras
  • Brouwerites
  • Buchiceras
  • Budaiceras
  • Buddhaites
  • Bukowskiites
  • Bullatimorphites
  • Bulogites
  • Bunburyiceras
  • Burckhardites
  • Burijites
  • Busnardoites

An ammonite specimen.
Fragmented fossil specimens of Baculites

C

Ca

Ce

  • Celaeceras
  • Cenisella
  • Ceratites
  • Ceratpbeloceras
  • Chamoussetia

Ch

Ch (Cont.)

  • Choristoceras
  • Christioceras
  • Christophoceras
  • Chumazites

Ci

Cl

Co

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

Co (Cont.)

  • Costigymnites
  • Costileioceras
  • Costimitoceras
  • Cottreauites
  • Couloniceras
  • Cowtoniceras

Cr

Ct

  • Ctenobactrites
  • Cteroclymenia

Cu

  • Cubaochetoceras
  • Cuccoceras
  • Cuneicardioceras
  • Cunitoceras
  • Cunningtoniceras
  • Cutchisphinctes
  • Cuyaniceras

Cy

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

Cz

  • Czekanowskites

A cut ammonite, showing some of its shell's chambers.
An ammonite shell ornamented with ribs.
A large ammonite outside of the Portland Museum in England.

D

Da

De

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

Dh

  • Dhosaites
  • Dhrumaites

Di

  • Diaboloceras
  • Diadochoceras
  • Diamanticeras
  • Diaplococeras
  • Diaziceras

Di (Cont.)

  • Dichotomites
  • 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
  • Discophiceras
  • Discophyllites
  • Discoptychites
  • Discoscaphites
  • Discosphinctes
  • Discosphinctoides
  • Discotropites
  • Distichites
  • Distichoceras
  • Distoloceras

Di (cont. 2)

  • Dittmarites
  • Divisosphinctes

Dj

  • Djurjuriceras

Do

Dr

  • Drepanites
  • Drumoceras

Du

Dy

  • Dyscheiloceras

Dz

  • Dzhaprakoceras
  • Dzhulfoceras

Douvilleiceras and Hoplites were French ammonites that lived during the Early Cretaceous.

E

  • Eboraciceras
  • Eboroceras
  • Ebrayiceras
  • Echioceratoides
  • Echioceras
  • Ectocentrites
  • Ectolcites
  • Edmundites
  • Egrabensiceras
  • Eleganticeras
  • Elephantoceras
  • Ellipsoceras
  • Elobiceras
  • Emaciaticeras
  • Emileia
  • Emilites
  • Emperoceras
  • Enayites
  • Engonoceras
  • Enosphinctes
  • Entogonites
  • Eoacrochordiceras
  • Eoaraxoceras
  • Eoasianites
  • Eobeloceras
  • Eocanites
  • Eocephalites
  • Eochetoceras
  • Eocrioceratites
  • Eodanubites
  • Eoderoceras
  • Eodesmoceras
  • Eodouvilleiceras
  • Eogaudryceras
  • Eogonioloboceras
  • Eogunnarites
  • Eogymnites
  • Eohecticoceras
  • Eoheteroceras
  • Eohyattoceras

  • Eomadrasites
  • Eonomismoceras
  • Eopachydiscus
  • Eoparalegoceras
  • Eophyllites
  • Eoprodromites
  • Eoprotrachyceras
  • Eopsiloceras
  • Eosagenites
  • Eoscaphites
  • Eoschistoceras
  • Eosturia
  • Eotetragonites
  • Eothalassoceras
  • Eothinites
  • Eotissotia
  • Eowellerites
  • 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

An ammonite fossil.
Paleoartist Heinrich Harder's reconstruction of some ammonites as they would appear in life.
A stone pathway constructed with many ammonite specimens.

F

  • Fagesia
  • Falciclymenia
  • Falciferella
  • Falcitornoceras
  • Fallacites
  • Falloticeras
  • Fanninoceras
  • Farbesiceras
  • Farnhamia
  • Fascipericyclus
  • Favrella
  • Fayettevillea
  • Fehlmannites
  • Ferganoceras

A pencil drawing of an ammonite fossil. Ammonitic sutures are visible for part of the shell's length.

G

  • Gabbioceras
  • Gabillytes
  • Gaetanoceras
  • Gagaticeras
  • Gaitherites
  • Galaticeras
  • Galbanites
  • Gangadharites
  • Garantiana
  • Gargasiceras
  • Garniericeras
  • Garnierisphinctes
  • Gastrioceras
  • Gastroplites
  • Gattendorfia
  • Gattenpleura
  • Gaudryceras
  • Gaurites
  • Gauthiericeras
  • Gazdaganites
  • Gemmellaroceras
  • Gentoniceras
  • Genuclymenia
  • Georgioceras
  • Germariceras
  • Gevanites
  • Geyeroceras
  • Giovaraites
  • Girtyoceras

  • Glabrophysodoceras
  • Glamocites
  • Glaphyrites
  • Glassoceras
  • Glatziella
  • Glaucolithites
  • Gleboceras
  • Gleviceras
  • Glochiceras
  • Glottoptychinites
  • Glyphidites
  • Glyphiolobus
  • Glyptarpites
  • Glyptoceras
  • Glyptoxoceras
  • Gnomohalorites
  • Gogoceras
  • Goliathiceras
  • Goliathites
  • Goniatites
  • Gonioclymenia
  • Goniocyclus
  • Gonioglyphioceras
  • Gonioloboceras
  • Gonioloboceratoides
  • Gonionotites
  • Gonolkites
  • Goodhallites
  • Gracilisphinctes

  • Gracilites
  • Grambergia
  • Grammoceras
  • Grandidiericeras
  • Graphoceras
  • Gravesia
  • Grayiceras
  • Graysonites
  • Gregoryceras
  • Griesbachites
  • Groebericeras
  • Groenlandites
  • Grossouvria
  • Grossouvrites
  • Guembelites
  • Guhsania
  • Guleilmites
  • Guleimiceras
  • Gulielmina
  • Gunnarites
  • Gyaloceras
  • Gymnites
  • Gymnodiscoceras
  • Gymnoplites
  • Gymnotoceras
  • Gymnotropites
  • Gyroceratites
  • Gyroclymenia
  • Gyronites

An ammonite from Spain.

H

Ha

He

He (Cont.)

  • Hemilecanites
  • Hemilytoceras
  • Hemiptychoceras
  • Hemisimoceras
  • Hemitetragonites
  • Hemitissotia
  • Hengestites
  • Heraclites
  • Herrickiceras
  • Hertleinites
  • Herznachites
  • Heteroceras
  • Heterotissotia
  • Hexaclymenia

Hi

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

Hl

Ho

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

Ho (Cont.)

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

This internal mold fossil exhibits an ammonitic suture pattern.
A specimen of Hoploscaphites from the Pierre Shale of South Dakota. Much of the original shell has survived.

I

  • Iberites
  • Idanoceras[4]
  • Idiocycloceras
  • Idiohamites
  • Idoceras
  • Ilowaiskya
  • Imitoceras
  • Imlayiceras
  • Inaigymnites
  • Indigirites
  • Indigirophyllites
  • Indoceltites

  • Inzeroceras
  • Iranoceras
  • Irinoceras
  • Isculites
  • Isculitoides
  • Ismidites
  • Isohomoceras
  • Isohoplites
  • Isterites
  • Istreites
  • Ivoites

This is an illustration from British Mineralology by James Smith. The catalogue, from which it is sourced, describes the print as "1802 [sic] Fossil Amonite Engraving"

J

  • Jacobites
  • Janenschites
  • Japonites
  • Jauberticeras
  • Jeanneticeras
  • Jeanvogericeras
  • Jeletzkytes

  • Jellinekites
  • Jimboiceras
  • Jimenites
  • Joannites
  • Jouaniceras
  • Jovites

  • Juddiceras
  • Judicarites
  • Juraphyllites
  • Juresanites
  • Juvavites
  • Juvenites

Jeletzkytes, a Cretaceous ammonite from the United States

K

  • Kellawaysites
  • Kellnerites
  • Kelteroceras
  • Kenseyoceras
  • Kepplerites
  • Kerberites
  • Keyserlingites
  • Kheraiceras
  • Kheraites
  • Khvalynites
  • Kiaclymenia
  • Kielcensia
  • Kilianella
  • Kimoceras
  • Kingites
  • Kingoceras
  • Kinkeliniceras
  • Kiparisovia
  • Kiparisovites
  • Kirsoceras
  • Kitchinites
  • Klamathites
  • Klematosphinctes
  • Klipsteinia

Peltoceras solidum, Jurassic period of Israel
An ammonite fossil.

L

  • Labeceras
  • Laboceras
  • Labyrinthoceras
  • Laganoclymenia
  • Lagowites
  • Lamberticeras
  • Lanceolites
  • Lanceoloboceras
  • Laqueoceras
  • Latanarcestes
  • Latisageceras
  • Laugeites
  • Lecanites
  • Lechites
  • Lecointriceras
  • Leconteiceras
  • Leconteites
  • Leeites
  • Lehmaniceras
  • Leioceras
  • Leiophyllites
  • Leislingites
  • Lemuroceras
  • Lenotropites
  • Lenticeras
  • Lenticoceltites
  • Leopolda
  • Leptaleoceras

  • Leptechioceras
  • Lepthoplites
  • Leptoceras
  • Leptonotoceras
  • Leptosphinctes
  • Leptotetragonites
  • Leukadiella
  • Lewesiceras
  • Lewyites
  • Leymeriella
  • Liardites
  • Libycoceras
  • Lilloetia
  • Limaites
  • Linguaclymenia
  • Linguatornoceras
  • Lingyunites
  • Lioceratoides
  • Liosphinctes
  • Liparoceras
  • Lipuites
  • Lissoceras
  • Lissoceratoides
  • Lissoclymenia
  • Lissonia
  • Lissonites
  • Lithacoceras
  • Lithacosphinctes
  • Lithancylus

Fossil ammonite
Lithacosphinctes achilles

M

Ma

Me

Me (cont.)

  • Menabites
  • Menabonites
  • Meneghiniceras
  • Menuites
  • Menuthiocrioceras
  • Mercaticeras
  • Merocanites
  • Mescalites
  • Mesobeloceras
  • Mesocladiscites
  • Mesoclymenia
  • Mesogaudryceras
  • Mesopuzosia
  • Mesosimoceras
  • Mesoturrilites
  • Metabactrites
  • 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

Mu

  • Mucrodactylites
  • Muensterites
  • Muensteroceras
  • Muniericeras

My

  • Myloceras

A photo of a Bavarian ammonite being used as a decorative piece in a brick wall.
An iridescent ammonite from Madagascar.
Polished cross-section of an ammonite

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
  • Neodimorphoceras
  • 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

No

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

Nu

  • Nuculoceras
  • Nummoceras

An early ammonite reconstruction.
The Aptychus is a mysterious piece of ammonite anatomy.

O

Two polished halves of an ammonite fossil.

P

Pa

  • 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
  • Paracochloceras
  • Paraconlinoceras
  • Paracorniceras
  • Paracraspedites
  • Paracravenoceras
  • Paracrioceras
  • Paracuariceras
  • Paracymbites
  • Paradanubites
  • Paradasyceras
  • Paradicidia
  • Paradimeroceras
  • Paradimorphoceras
  • Paradinarites
  • Paradistichites
  • Paradolphia
  • Paraganides
  • Paragastrioceras
  • Paragattendorfia
  • Paragoceras
  • Paraguembelites
  • Paragymnites
  • Parahauerites
  • Parahildaites
  • Parahomoceras
  • Parahoplites
  • Parajaubertella
  • Parajuvavites
  • Parakellnerites
  • Paralcidia
  • Paralenticeras
  • Paralobites
  • Paralytoceras
  • Paramammites
  • Parammatoceras
  • Paranannites
  • Paranclyoceras
  • Parandiceras
  • Paranorites
  • 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

Pe (cont.)

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

Ph

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

Pr (cont.)

  • Pronorites
  • 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
  • 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
  • Pseudoneoptychites
  • Pseudonomismoceras
  • Pseudoosterella
  • Pseudoparalegoceras
  • Pseudopeltoceras
  • Pseudoperisphinctes
  • Pseudophyllites
  • Pseudoplacenticeras
  • Pseudopolyplectus
  • Pseudoppelia
  • Pseudoprobeloceras
  • Pseudopronorites
  • Pseudopuzosia
  • Pseudosageceras
  • Pseudosaynella
  • 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

Pu

Parapuzosia was a very large ammonite genus.
Reconstruction of the mosasaur Mosasaurus hoffmannii eating an unidentified ichthyodectid fish. Some Pachydiscus ammonites are seizing scraps, while one of their number has been seized, in turn, by the shellfish specialist mosasaur, Globidens aegypticus.
Pleuroceras spinatum Museum of Toulouse
Plesiacanthoceras wyomingense.
A walkway made of polished ammonites.
A Perisphinctes fossil.

Q

R

  • Radstockiceras
  • Raimondiceras
  • Rakusites
  • Ramosites
  • Rasenia
  • Rasenoides
  • Raymondiceras
  • Rectoclymenia
  • Reesidites
  • Rehmannia
  • Reiflingites
  • Reineckeia
  • Reineckeites
  • Renites
  • Renziceras
  • Repossia
  • Reticuloceras
  • Retites

  • Reynesella
  • Reynesoceras
  • Reynesocoeloceras
  • Rhabdoceras
  • Rhacophyllites
  • Rhadinites
  • Rhaeboceras
  • Rhampidoceras
  • Rhiphaeoclymenia
  • Rhiphaeocyclus
  • Rhymmoceras
  • Rhytidohoplites
  • Riasanites
  • Richardsonites
  • Rimkinites
  • Ringsteadia

  • Roinghites
  • Rollerites
  • Rollieria
  • Roloboceras
  • Romaniceras
  • Romanites
  • Rossalites
  • Rotodiscoceras
  • Rotopericyclus
  • Rubroceras
  • Rugiferites
  • Rursiceras
  • Rusoceras
  • Ryugasella

Ammonite fossils.

S

Sa

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

Si (cont.)

  • Simmoceras
  • Simoceras
  • Simocosmoceras
  • Simonyceras
  • Simosphinctes
  • Simotoichites
  • Sindeites
  • Sinotites
  • Sinzovia
  • Sirenites
  • Sirenotrachyceras
  • Sivajiceras
  • Sizilites

Sk

Sl

  • Slatterites

So

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
  • Stantonites
  • Staufenia
  • Stegoxyites
  • Stehnocephalites
  • Steinmannites
  • Stemmatoceras
  • Stenarcestes
  • Stenocadoceras
  • Stenoclymenia
  • Stenocyclus
  • Stenoglaphyrites
  • Stenopharciceras
  • Stenopopanoceras
  • Stenopronorites
  • Stephanites

St (cont.)

  • Stephanoceras
  • Stikinoceras
  • Stoliczkaia
  • Stolleites
  • 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

Scaphites fossil.

T

Ta

  • Tabantalites
  • Taffertia
  • Talenticeras
  • Tamarites
  • Tapashanites
  • Taramelliceras
  • Tardeceras
  • Tarrantoceras
  • Taskanites
  • Tauroceras

Te

  • Tectiretites
  • Tegoceras
  • Teicherticeras
  • Telermoceras
  • Teloceras
  • Telodactylus
  • Temnoptychites
  • Terektites
  • Teshioites
  • Tetragonites (syn. Epigoniceras)
  • Tetrahoplites
  • Tetrahoplitoides
  • Tetraspidoceras
  • Texanites
  • Texoceras

Th

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

Ti

  • Tibetites
  • Ticinites
  • Tiltoniceras
  • Timanites

Ti (cont.)

Tj

  • Tjururpites

Tm

  • Tmaegoceras
  • Tmaegophioceras
  • Tmetoceras

To

  • Tollia
  • Tolypeceras
  • Tompophiceras
  • Tongluceras
  • Tongoboroceras
  • Tonoceras
  • Torcapella
  • Toricellites
  • Torleyoceras
  • Tornia
  • Tornoceras
  • Tornquisites
  • Tornquistites
  • Torquatisphinctes
  • Tovebirkelundites
  • Toxamblyites
  • Toxolioceras
  • Tozerites

Tr

  • Trachybaculites
  • Trachyceras
  • Trachylytoceras
  • Trachyphyllites
  • Trachypleuraspidites
  • Trachysagenites
  • Trachyscaphites
  • Trachystenoceras
  • Tragodesmoceras
  • Tragodesmoceroides
  • Tragolytoceras
  • Tragophylloceras
  • Tragorhacoceras

Tr (cont.)

  • Transicoeloceras
  • Traskites
  • Treptocceras
  • Trettinoceras
  • Triaclymenia
  • Triagolytoceras
  • Triainoceras
  • Tridentites
  • Trigonogastrioceras
  • Trilobiticeras
  • Trimanticoceras
  • Trimarginia
  • Trimarginites
  • Triozites
  • Tritropidoceras
  • Trizonoceras
  • Trochleiceras
  • Trochoclymenia
  • Trochoceras
  • Trolliceras
  • Tropaeum
  • Tropiceltites
  • Tropidoceras
  • Tropigastrites
  • Tropigymnites
  • Tropites
  • Tropitoides
  • Truyolsoceras

Ts

  • Tsvetkovites

Tu

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

Ty

  • Tympanoceras
  • Tyrannites

An ammonite with goniatitic sutures.
The coat of arms of the municipality of Tensfeld contains an ammonite shell and a sundew.

U

An ammonitic ammonoid with the body chamber missing, showing the septal surface (especially at right) with its undulating lobes and saddles.

V

  • Vacekia
  • Valanginites
  • Valdedorsella
  • Vallites
  • Vandaites
  • Vascoceras
  • Vavilovites
  • Velebites
  • Veleziceras
  • Venezoliceras
  • Verancoceras

  • Vermiceras
  • Vermisphinctes
  • Verneuilites
  • Vertebriceras
  • Vertebrites
  • Veveysiceras
  • Vicininodiceras
  • Vickohlerites
  • Vidrioceras
  • Villania
  • Vinalesites

Cross-section of an English ammonite.

W

  • Welterites
  • Werneroceras
  • Wewokites
  • Wheatleyites
  • Whitbyiceras
  • Wichmanniceras
  • Wiedeyoceras
  • Winchelloceras
  • Windhauseniceras
  • Winslowoceras

A gigantic ammonite fossil kept in a German museum.

X

Y

Z

See also

Wikimedia Commons has media related to Ammonoidea.

References

  1. Krystyn, L. 1978. Schriftenreihe erdwiss. Komm. ost. Akad. Wiss. 4: 68. Nomenclator Zoologicus record
  2. Donovan, D.T. 1998. "A new ammonite genus from the Lower Jurassic (Upper Sinemurian) of Dorset, England." (PDF). (1.89 MiB) Palaeontology 41(5): 993-999.
  3. Urlichs, M. 1994. Stuttgarter Beitraege zur Naturkunde Serie B (Geologie und Palaeontologie) 217: 29. Nomenclator Zoologicus record
  4. Henderson, R.A. & E.D. McKenzie 2002. Idanoceras, a new heteromorph ammonite genus from the Late Albian of Eastern Australia. Journal of Paleontology 76(5): 906-909.
  5. Work, D.M. & D.R. Boardman 2003. Mapesites, a new Upper Pennsylvanian (Lower Virgilian) ammonoid from Kansas. Journal of Paleontology 77(6): 1195-1197.

Uncited genera names can be verified at:

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