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.

A

Ab Abbasites Abichites Abrytasites Ac Acanthaecites Acanthinites Acanthoceras Acanthoceratites Acanthoclymenia Acanthodiscus Acanthohoplites Acantholytoceras Acanthopleuroceras Acanthoplites Acanthoscaphites Acompsoceras Aconeceras Acriclymenia Acrimeroceras Acrioceras Acrocanites Acrochordiceras Acuariceras Acuticostites Acutimitoceras Ad Adkinsia Adkinsites Adnethiceras 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 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 Aphantites 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 Arnioceltites Arnioceras Arniotites Arpadites Arthaberites Artinksia Artioceras Artioceratoides As Asaphoceras Asapholytoceras Asklepioceras Aspenites Asphinctites Aspidoceras Aspidostephanus Aspinoceras Asteroceras Asthenoceras Astiericeras Astieridiscus Astreptoceras Asturoceras At Ataxioceras Atlantoceras Atsabites Au Audaxlytoceras Augurites Aulacosphinctes Aulacosphinctoides Aulacostephanus Aulasimoceras Aulatornoceras Austiniceras Australiceras Austroceratites Austrotrachyceras[1] Av Aveyroniceras Ax Axinolobus Axonoceras

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

Bacchites Bactrites Baculina Baculites Badiotites Bagnolites[2] Balatonites Balearites Balkanites Balticeras Balvia Bamyaniceras Barguesiella Baronnites Barrandeites Barremites Barroisiceras Baschkirites Bashkortoceras Baskaniiceras Basleoceras Bauchioceras Bayleites Beaniceras Beatites Behemoth Beleutoceras Beloceras Benacoceras Beneckeia Benueites Berbericeras

Berniceras Berriasella Berrosiceras Betyokites Beudanticeras Beudantiella Bevahites Beyrichites Beyrichoceras Beyrichoceratoides Bhimaites Bifericeras Bigotites Bihenduloceras Bilinguites Billcobbanoceras Biloclymenia Biltnerites Binatisphinctes Binneyites Biplices Bisatoceras Blanfordiceras Bochianites Bodylevskites Boehmoceras Boesites Bogdanoceras Bollandites Bollandoceras Boreomeekoceras Borissjakoceras

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 Cabrievoceras Cadoceras Cadomites Cadomoceras Caenisites Caenocyclus Caenolyroceras Cainoceras Calaiceras Calanquites Californiceras Callihoplites Calliphylloceras Calliptychoceras Callizoniceras Caloceras Calycoceras Campylites Canadoceras Canavarella Canavaria Canavarites Cancelloceras Cantabricanites Cantabrigites Cardiella Cardioceras Carinoceras Carinoclymenia Carinophylloceras Carnites Carstenia Carthaginites Catacoeloceras Catasigaloceras Catulloceras Caucasites Caumontisphinctes Cavilentia Ce Celaeceras Cenisella Ceratites Ceratpbeloceras Chamoussetia Ch Chanasia Changhsingoceras Cheiloceras Cheloniceras Cheltonia Chesapeakiceras Chetaites Chioceras Chiotites Choffatia Choffaticeras Chondroceras

Ch (Cont.) 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 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 Cranocephalites Craspedites Craspedodiscus Crassiceras Crassiplanulites Crassotornoceras Cravenites Cravenoceras Cravenoceratoides Creniceras Crickites Crimites Crioceras Crioceratites Cruasiceras Crucilobiceras Crussoliceras Cryptoclymenia Cryptotexanites 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 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

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 Dobrodgeiceras Dobrogeites Docidoceras Dolikephalites Dombarigloria Dombarites Dombarocanites Donetzoceras Dorikranites Dorsetensia Dorsoplanites Doryceras Doubichites Douvilleiceras Dr Drepanites Drumoceras Du Duashnoceras Dufrenoya Dumortieria Dunbarites Dunedinites Dunveganoceras Durangites Durotrigensia Durvilleoceras Dy Dyscheiloceras Dz Dzhaprakoceras Dzhulfoceras

Dactylioceras fossil. Douvilleiceras and Hoplites were French ammonites that lived during the Early Cretaceous. Discoscaphites iris

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

Erbenoceras Eremites Erinoceras Erioliceras Eristavites Ermoceras Erycites Erymnoceras Erymnocerites Esericeras 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 Exiteloceras Exotornoceras Ezilloella

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

Ficheuria Fikaites Finiclymenia Fissilobiceras Flabellisphinctes Flemingites Flexiclymenia Flexispinites Flexoptychites Flickia Fontanelliceras Fontannesia

Fontannesiella Foordites Forbesiceras Forresteria Fournierella Frankites Frechiella Frechites Frenguelliceras Fresvillia Frogdenites Fuciniceras

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 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 Hemihaploceras Hemihoplites

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

Ho (Cont.) Homerites 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

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

Indocephalites Indoceras Indojuvavites Indonesites Indoscaphites Indosphinctes Iniskinites Intoceras Intornites Intranodites Involuticeras Inyoites

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

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

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

Knemiceras Koenenites Kohaticeras Koloceras Komioceras Koninckites Korythoceras Kosmermoceras Kosmoceras Kosmoclymenia Kossmatella Kossmatia Kossmaticeras Kozhimites Krafftoceras Kranaosphinctes Krumbeckia Kufengoceras Kumatostephanus Kurnubiella Kushanites Kutatissites

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

Lobites Lobobactrites Lobokosmokeras Lobolytoceras Lobosphinctes Lobotornoceras Loczyceras Lomonossovella Longaeviceras Longobardites Longobarditoides Lopholobites Lorioloceras Lotzeites Ludwigia Lunuloceras Lupherites Luppovella Lusitanites Lycetticeras Lyelliceras Lyrogoniatites Lytheoceras Lyticoceras Lytoceras Lytocrioceras Lytodiscoides Lytogyroceras Lytohoplites

Fossil ammonite Lithacosphinctes achilles Uptonia jamesioni

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 Martelites Martolites Masiaposites Masonites Maternoceras Mathoceras Mathoceratites Maximites Mayaites Mazapilites Me Medlicottia Meekoceras Megalytoceras Megaphyllites Megapronorites Megasphaeroceras Megatyloceras Meginoceras Melagathiceras Melchiorites Melonites Melvilloceras

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

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

O

Obrutchevites Obtusicostites Ochetoceras Ochotoceras Odontodiscoceras Oecoptychius Oecotraustes Oiophyllites Oistoceras Okribites Olcostephanus Olenekoceras Olenikites Onitshoceras Onychoceras Oosterella

Ophiceras Ophilyroceras Oppelia Oraniceras Orestites Organoceras Orionoides Ornatoclymenia Orthaspidoceras Orthildaites Orthoceltites Orthogarantiana Orthosphinctes Orulganites Ostlingoceras Otoceltites

Otoceras Otohoplites Otoites Otoscaphites Ovaticeras Owenites Owenoceras Oxintoceras Oxybeloceras Oxycerites Oxydiscites Oxylenticeras Oxynoticeras Oxyparoniceras Oxytornoceras Oxytropidoceras

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 Pearylandites Pectinatites Pedioceras Peltoceras Peltoceratoides 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

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 Pterolytoceras Pteroscaphites Pterosirenites Ptycharcestes Ptychites Ptychoceras Ptycholytoceras Ptychophylloceras Pu Puchenquia Puebloites Pulchellia Putealiceras Puzosia Puzosigella

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

Qiannanites Quasicravenoceras

Quasintoceras Quenstedtoceras

Quinnites Quitmannites

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 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 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. Shastoceras behemothi (front) and Annuloceras summersi (background)

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.) 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 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

Uchtites Uddenites Uddenoceras Ugamites Uhligella Uhligia Uhligites

Umbetoceras Umiaites Unipeltoceras Unquatornoceras Uptonia Urakawites

Uraloceras Uraloclymenia Uralopronorites Ussuria Ussurites Utaturiceras

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

Vinalesphinctes Virgataxioceras Virgatites Virgatopavlovia Virgatosimoceras Virgatosphinctes Virgatospinctoides Vishnuites Voehringerites Vredenburgites

Cross-section of an English ammonite.

W

Waagenina Waagenoceras Waehneroceras Wagnericeras Waldthausenites Wangoceras Wasatchites Watinoceras Wedekindella Wellerites Wellsites

Welterites Werneroceras Wewokites Wheatleyites Whitbyiceras Wichmanniceras Wiedeyoceras Winchelloceras Windhauseniceras Winslowoceras

Wintonia Witchellia Wocklumeria Wopfingites Wordieoceras Worthoceras Wrightoceras Wyomingites

A gigantic ammonite fossil kept in a German museum.

X

Xenoceltites Xenocephalites

Xenodiscus Xenodrepanites

Xipheroceras Xiphogymnites

Y

Yabeiceras Yakounia Yakutoceras Yakutoglaphyrites

Yezoites Yinoceras Yokoyamaceras

Z

Zadelsdorfia Zaraiskites Zealandites Zemistephanus Zenoites Zenostephanus Zephyroceras Zetoceras

Zigzagiceras Ziyunites Zonovia Zuercherella Zugodactylites

Zugokosmoceras Zuluiceras Zuluscaphites Zurcherella Zurcheria

Fossil ammonite.

See also

• List of nautiloids
• List of heteromorphic ammonites
• List of belemnites

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:

• Sepkoski, J.J. Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363: 1–560. Sepkoski's Online Genus Database

External links

• Mikko's Phylogeny Archive entry on "†Ammonoidea"
• The Paleobiology Database entry on "Ammonoidea"
• Sepkoski's Online Genus Database entry on "Cephalopoda"