List of nautiloid genera

The shell of a modern species of the genus Allonautilus (A. scrobiculatus).

This list of nautiloids is a comprehensive listing of all genera that have ever been included in the subclass Nautiloidea, excluding purely vernacular terms. The list includes all commonly accepted genera, but also genera that are now considered invalid, 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 nautiloids.

Most of the listed genera are found in Part K of the Treatise on Invertebrate Paleontology. Some, added since the year of publication (1964) are found simply in various scientific journals and special publications. The named genera are based on type specimens which are housed in various museums and other academic institutions worldwide, available to interested researchers.

A

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†Acanthonautilus †Acaroceras †Acleistoceras †Acrosphaerorthoceras †Actinoceras †Actinomorpha †Adamsoceras †Adeloceras †Adelphoceras †Adnatoceras †Aethiosolen †Aethoceras †Agrioceras †Aigoceras †Aipetoceras †Aipoceras †Akroceras †Aktjubocheilus †Alaskoceras †Albertoceras †Alethynoceras †Aletoceras †Alexandronautilus †Allanoceras †Alloceras Allonautilus †Allotrioceras †Allumettoceras †Almaloceras †Alpenoceras †Aluveroceras †Amphicyrtoceras

†Amsleroceras †Anamesoceras †Anaspyroceras †Anastomoceras †Ancistroceras †Andreioceras †Anepheloceras †Angelinoceras †Anglicornus †Anglonautlis †Anguloceras †Anhuiceras †Ankyloceras †Annoceras †Anomaloceras †Anomeioceras †Anonymoceras †Anoploceras †Antacaroceras †Anthoceras †Anthomorpha †Antigyroceras †Antiphragmoceras †Antiplectoceras †Antonoceras †Aphelaeceras †Aphetoceras †Aphractus †Aphragmites †Aphyctoceras †Apioceras †Aploceras

†Apocrinoceras †Apogonoceras †Apsidoceras †Archiacoceras †Argocheilus †Arionoceras †Arkoceras †Arkonoceras †Armenoceras †Arpaoceras †Arterioceras †Arthrophyllum †Articheilus †Asaphiceras †Asbestoceras †Ascoceras †Askeatonolucidum †Astoceras †Asymptoceras †Athanatoceras †Atomoceras †Atopoceras †Aturia †Aturoidea †Augustoceras †Aulaconautilus †Aulametacoceras †Austinoceras †Avilionella †Avoceras

Nautilus macromphalus anatomy. Allonautilus anatomy.

B

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†Bactroceras †Badouceras †Baeopleuroceras †Bakeroceras †Balashovia †Balticoceras †Baltoceras †Bambusoceras †Barnesoceras †Barrandeoceras †Bassleroceras †Bastindoceras †Bateroboceras †Bathmoceras †Baykonaroceras

†Beekmanoceras †Belloceras †Beloitoceras †Bentoceras †Bergoceras †Bickmorites †Bifoveoceras †Billingsites †Bistrialites †Bitaunioceras †Blakeoceras †Blastocerina †Bodieceras †Bodoceras †Bogoslovskya

†Bohemites †Bolloceras †Brachycycloceras †Brachydomoceras †Bradfordoceras †Brevicoceras †Bridgeoceras †Brodekoceras †Broeggeroceras †Buchanoceras †Buehleroceras †Burenoceras †Buttsoceras †Byronoceras

Interior of a Nautilus shell.

C

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†Calchasiceras †Calhounoceras †Callaionautilus †Calocyrtoceras †Cameroceras †Campbelloceras †Campendoceras †Campyloceras †Capriocornites †Carbactinoceras †Carinonautilus †Carlloceras †Carotites †Cartersoceras †Caseoceras †Cassinoceras †Casteroceras †Catastroboceras †Catoraphinoceras †Catyrephoceras †Cayogoceras †Cayutoceras †Cedarvilleoceras †Celox †Cenoceras †Centroceras †Centrocyrtoceras †Centrocyrtocerina †Centrolitoceras †Centroonoceras †Centrorizoceras †Centrotarphyceras †Chabactoceras †Chadwickoceras †Charactoceras †Charactocerina

†Chazyoceras †Chepuloceras †Chicagooceras †Chidleyenoceras †Choanoceras †Chouteauoceras †Chrysoceras †Chuticeras †Cimomia †Cinctoceras †Clarkesvillia †Clarkoceras †Clathroceras †Clelandoceras †Cliftonoceras †Clinoceras †Clionyssiceras †Clitendoceras †Clydonautilus †Clymenonautilus †Clytoceras †Cochlioceras †Codoceras †Coelocyrtoceras †Coelogasteroceras †Coloceras †Columenoceras †Comaroceras †Condraoceras †Conocerina †Conostichoceras †Conradoceras †Cooperoceras †Copiceras †Coralloceras

†Corbuloceras †Cornuella †Corysoceras †Cosmonautilus †Cotteroceras †Craftonoceras †Cranoceras †Crateroceras †Cryptocycloceras †Cryptorthoceras †Ctenoceras †Cumberloceras †Cumingsoceras †Curtoceras †Cycloceras †Cyclolituites †Cyclopites †Cycloplectoceras †Cyclostomiceras †Cymatoceras †Cymatonautilus †Cyrtactinoceras †Cyrthoceratites †Cyrtobaltoceras †Cyrtoceras †Cyrtoceratites †Cyrtocerina †Cyrtocheilus †Cyrtogomphoceras †Cyrtogomphus †Cyrtonybyoceras †Cyrtorizoceras †Cyrtospyroceras †Cyrtothoracoceras

D

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†Dakeoceras †Dalecarlioceras †Danaoceras †Danoceras †Danzikoceras †Dasbergoceras †Dawsonoceras †Dawsonocerina †Deckeroceras †Deiloceras †Deinoceras †Deiroceras †Deltoceras †Deltocymatoceras †Deltoidonautilus

†Dentoceras †Desioceras †Devonocheilus †Diademoceras †Diagoceras †Diaphoroceras †Diastoloceras †Dictyoceras †Diestoceras †Digenuoceras †Diodoceras †Diorugoceras †Discitoceras †Discoactinoceras †Discoceras

†Discosorus †Dnestroceras †Doleroceras †Dolorthoceras †Domatoceras †Dongshanoceras †Dowlingoceras †Drakonoceras †Duerleyoceras †Dunleithoceras †Dwightoceras †Dynatoceras †Dyscritoceras †Dzhinsetoceras

E

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†Eburoceras †Ecdyceras †Ectenoceras †Ectenolites †Ectocycloceras †Ectocyrtoceras †Edaphoceras †Edenoceras †Ehlersoceras †Eichwaldoceras †Eifeloceras †Ekwanoceras †Elaphoceras †Eldroceras †Eleusoceras †Elkanoceras †Ellesmeroceras †Ellinoceras †Elpisoceras †Elrodoceras †Encoiloceras †Endoceras

†Endocycloceras †Endodiscosorus †Endolobus †Endoplanoceras †Endoplectoceras †Endorioceras †Endostokesoceras †Engorthoceras †Enoploceras †Entimoceras †Eoclarkoceras †Eocyckistomiceras †Eocyrtoceras †Eodiaphragmoceras †Eoectenolites †Eorizoceras †Eosomichelinoceras †Eothinoceras †Eotrimeroceras †Eotripteroceras †Ephippioceras †Ephippiorthoceras

†Epicymatoceras †Epidomatoceras †Epistroboceras †Eremoceras †Eridites †Eskimoceras †Esopoceras †Estonioceras †Euciphoceras †Eucymatoceras †Eudoceras †Euloxoceras †Euryrizoceras †Eurystomites †Eushantungoceras †Eusthenoceras †Eutrephoceras †Evlanoceras †Exochoceras †Exocyrtoceras

F

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†Faberoceras †Fayettoceras †Flowerites †Floweroceras

†Foersteoceras †Folioceras †Foordiceras

† Franklinoceras †Fremontoceras †Fusicoceras

G

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†Galtoceras †Gangshanoceras †Garryoceras †Gasconsoceras †Gaspocyrtoceras †Geisonoceras †Geisonocerina †Geisonoceroides †Geitonoceras †Georgina †Germanonautilus †Glenisteroceras †Glossoceras

†Glyptodendron †Goldringia †Gomphoceras †Gonatocyrtoceras †Gonioceras †Gonionaedyceras †Gonionautilus †Gorbyoceras †Gordonoceras †Gorgonoceras †Gouldoceras †Graciloceras †Graftonoceras

†Greenlandoceras †Grimsbyoceras †Grypoceras †Gryponautilus †Grzegorzewskia †Guangyuanoceras †Guangyuanoceroides †Gyroceras †Gyronaedyceras †Gzheloceras

H

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†Hadoceras †Halloceras †Hardmanoceras †Harrisoceras †Haruspex †Haydenoceras †Hebetoceras †Hecatoceras †Hedstroemoceras †Helenites †Heloceras †Hemibeloitoceras †Hemichoanella †Hemicosmorthoceras

†Hemiliroceras †Heminautilus †Hemiphragmoceras †Heracloceras †Hercoceras †Hercocyrtoceras †Hercoglossa †Hercoglossoceras †Herkimeroceras †Hesperoceras †Hexagonites †Hexameroceras †Hindeoceras †Hipparionoceras

†Hiregiroceras †Hoeloceras †Holconautilus †Holmiceras †Homaloceras †Homoadelphoceras †Huaiheceras †Huanghuachangoceras †Huiaihecerina †Hunanoceras †Hunyuenoceras †Huronia †Huroniella †Hysteroceras

I

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†Inclytoceras †Indonautilus †Inversoceras

†Iowoceras †Irianoceras

†Irinites †Isorthoceras

J

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†Jangziceras †Jaregoceras †Jasperoceras †Jiagouceras

†Joachimoceras †Joldagiroceras †Jolietoceras

†Jonesoceras †Jovellania †Juvavionautilus

K

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†Kadaroceras †Kallholnoceras †Karadzharoceras †Karoceras †Katageioceras †Kayoceras †Kentlandoceras †Keraiaceras †Kiaeroceras

†Kijoceras †Kyminoceras †Kinaschukoceras †Kindleoceras †Kionoceras †Kitatites †Kladisoceras †Knightoceras †Kobyashiceras

†Kochoceras †Konglungenoceras †Kophinoceras †Kosovoceras †Kotelnyoceras †Krykyloceras †Kummeloceras †Kundoceras †Kyminoceras

L

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†Lambeoceras †Lamellorthoceras †Landeroceras †Laumontoceras †Laureloceras †Lavaloceras †Lawrenceoceras †Lechritrochoceras †Leonardoceras †Leuroceras †Leurocycloceras †Leurorthoceras

†Leurotrochoceras †Levisoceras †Librovitschiceras †Linstroemoceras †Liroceras †Lispoceras †Litoceras †Litogyroceras †Lituites †Llanoceras †Lobendoceras †Loganoceras

†Lophoceras †Lopingoceras †Lorieroceras †Lowoceras †Loxoceras †Lunanoceras †Lychnoceras †Lyckholmoceras †Lyecoceras †Lyrioceras †Lysagoroceras †Lysagoroceras

Lituites fossil.

M

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†Maccoyoceras †Macrodomoceras †Macroloxoceras †Madiganella †Maelonoceras †Magdoceras †Mahoningoceras †Mandaloceras †Manitoulinoceras †Manjoceras †Mariceras †Mcqueenoceras †Mecynoceras †Megadisocosorus †Megaglossoceras †Megaloceras †Meikeloceras †Meitanoceras †Meloceras †Meniscoceras †Menuthionautlis †Mericoceras †Mesaktoceras

†Mesnaquaceras †Mesoceras †Mesochasmoceras †Metabaltoceras †Metacoceras †Metactinoceras †Metaphragmoceras †Metarizoceras †Metarmenoceras †Metaspyroceras †Metastromatoceras †Metephippiorthoceras †Metrioceras †Miamoceras †Michelinoceras †Microbaltoceras †Micronoceras †Millkoninckioceras †Mimolychnoceras †Minganoceras †Mitorthoceras

†Mitroceras †Mixosiphonoceras †Mjandymoceras †Mnemoceras †Mojscaroceras †Mongoceras †Monocyrtoceras †Monogonoceras †Monomuchites †Montyoceras †Mooreoceras †Moreauoceras †Mosquoceras †Mstikhinoceras †Muiroceras †Multicameroceras †Murchisoniceras †Muriceras †Murrayoceras †Myloceras †Mysterioceras

Orthoceras

N

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†Naedyceras †Najaceras †Nanno †Nassauoceras †Nautiloceras Nautilus †Nebroceras †Neobistrialites †Neoceras

†Neocycloceras †Neocymatoceras †Neodiscosorus †Neodomatoceras †Neorthoceras †Neosichuanoceras †Nephriticeras †Nephriticerina

†Neptunoceras †Neumatoceras †Nikenautilus †Nipageroceras †Nothoceras †Notocycloceras †Nucites †Nybyoceras

Nautilus vernuelli

O

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†Octamerella †Oelandoceras †Offleyoceras †Ogygoceras †Ohioceras †Oligoceras †Oncoceras †Oneotoceras †Onyxites

†Oocerina †Oonoceras †Ophidioceras †Ophioceras †Ophionautilus †Oratoceras †Ordosoceras †Ormoceras †Orthoceras

†Orthocycloceras †Orthonybyoceras †Osbornoceras †Ovoceras †Ovocerina †Oxfordoceras †Oxygonioceras †Oxynautilus

Silurian Orthoceras fossil.

P

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†Pachendoceras †Pachtoceras †Pakrioceras †Palaeocycloceras †Palaskensis †Palelialia †Palmeroceras †Pancornus †Pantoioceras †Paquettoceras †Paracenoceras †Paracleistoceras †Paraconradoceras †Paractinoceras †Paracyclostomiceras †Paracymatoceras †Paradakeoceras †Paradiscoceras †Paradnatoceras †Paradomatoceras †Parakionoceras †Paraloxoceras †Paramecynoceras †Parametacoceras †Paramooreoceras †Paranautilus †Parapalaeoceras †Paraphragmites †Paraplectronoceras †Pararhiphaeoceras †Pararineceras †Parascoceras †Parasphaerorthoceras †Parastenopoceras †Paratrematoceras †Parawestonoceras †Parevlanoceras †Paroocerina †Parormoceras †Parryoceras †Pectinoceras

†Peismoceras †Pelagoceras †Pentameroceras †Perimecoceras †Perioidanoceras †Peripetoceras †Permoceras †Permodomatoceras †Permonautilus †Perunautilus †Petryoceras †Phacoceras †Phaedrysmocheilus †Phloioceras †Phragmoceras †Phragmocerina †Phthanoncoceras †Physioceras †Pictetoceras †Piersaloceras †Pilotoceras †Pionoceras †Piratoceras †Plagioceras †Plagiostomoceras †Planetoceras †Platyconoceras †Plectoceras †Plectolites †Pleuronautilus †Pleuroncoceras †Pleurorthoceras †Plicatoceras †Plummeroceras †Podoliceras †Polydesmia †Polyelasmoceras †Polygrammoceras †Poterioceras †Poteriocerina †Potoceras

†Pristeroceras †Probillingsites †Proclydonautilus †Procymatoceras †Projovellania †Proteoceras †Proterocameroceras †Protobactrites †Protocycloceras †Protokionoceras †Protophragmoceras †Pselioceras †Pseudactinoceras †Pseudaganides †Pseudancistroceras †Pseudaturoidea †Pseudendoceras †Pseudobolloceras †Pseudobrevicoceras †Pseudocatastroboceras †Pseudocenoceras †Pseudocycloceras †Pseudocyrtoceras †Pseudogomphoceras †Pseudokionoceras †Pseudonautilus †Pseudophacoceras †Pseudophragmoceras †Pseudorthoceras †Pseudostenopoceras †Pseudotemnocheilus †Pseudotemperoceras †Pseudotitanoceras †Psiaoceras †Ptenoceras †Ptyssoceras †Purmanarcoceras †Pycnoceras †Pyramidoceras †Pythonoceras

Paracenoceras (Middle Jurassic, Israel)

Q

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†Qiushougouceras

†Quebecoceras

R

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†Radoceras †Ramussenoceras †Rangeroceras †Raphanites †Rasmussenoceras †Rayonnoceras †Rectseptoceras †Redpathoceras †Reedsoceras †Reticycloceras †Rhabdiferoceras

†Rhabdites †Rhadinoceras †Rhiphaeoceras †Rhiphaeonautilus †Rhipsites †Rhomboceras †Rhomboceras †Rhynchoceras †Rhynchorthoceras †Richardsonoceras †Rineceras

†Ringoceras †Rioceras †Rizoceras †Robsonoceras †Romingoceras †Ropaloceras †Roussanoffoceras †Rudolfoceras †Ruedemannoceras †Ruthenoceras †Rutoceras

S

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†Sactoceras †Sactorthoceras †Saffordoceras †Savageoceras †Sceptrites †Schroederoceras †Schuchertoceras †Scofieldoceras †Scyphoceras †Seelyoceras †Selenoceras †Selkirkoceras †Shamattawaceras †Shantungendoceras †Shideleroceras †Shikhanoceras †Sholakoceras †Shumardoceras †Shuranoceras †Siberioceras †Siberionautilus †Sibyllonautilus †Sichuanaceras †Sigmocycloceras †Simardoceras †Simorthoceras

†Simplicioceras †Sinclairoceras †Sinoceras †Sinolebetoceras †Slocomoceras †Smileoceras †Smithvilloceras †Soakinautilus †Solenochilus †Somalinautilus †Sophoceras †Spanioceras †Sphooceras †Sphyradoceras †Spondeioceras †Spyroceras †Stagonites †Standardoceras †Staufferoceras †Stearoceras †Stemtonoceras †Stenogomphoceras †Stenopoceras †Stenzeloceras †Stereoplasmoceras †Stereospyroceras

†Stereotoceras †Sthenoceras †Stokesoceras †Stolbovoceras †Strandoceras †Streptoceras †Striacoceras †Strionautilus †Strobiloceras †Stroboceras †Stroggyloceras †Stromatoceras †Strophiceras †Styrionautilus †Subclymenia †Subspyroceras †Subvestinautilus †Suttonoceras †Sycoceras †Synetoceras †Syringoceras †Syringonautilus †Syrionautilus †Syrreghmatoceras †Systrophoceras

T

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†Tainionautilus †Tainoceras †Tajaroceras †Talattoceras †Tambegiroceras †Tanchiashanites †Tanycameroceras †Taoqupoceras †Tarphyceras †Tartaroceras †Taskanoceras †Taxyceras †Teichertia †Teichertoceras †Temnocheilus †Temperoceras †Tetragonoceras †Tetrameroceras †Tetranodoceras †Tetrapleuroceras †Thaymastoceras †Therioceras †Theskeloceras

†Thoracoceras †Threaroceras †Thrincoceras †Thuringionautilus †Tienoceras †Tirolonautilus †Titanoceras †Tithonoceras †Tofangoceras †Tomponautilus †Torquatoceras †Trachynautilus †Tragoceras †Trematoceras †Trematodiscus †Tretoceras †Triboloceras †Trigonoceras †Trilacinoceras †Trimeroceras †Tripleuroceras †Triplooceras †Tripteroceras

†Tripterocerina †Tripteroceroides †Trispectes †Tritonoceras †Trochoceras †Trochodictyoceras †Trocholites †Trocholitoceras †Troedssonella †Troedssonoceras †Troostoceras †Tshingizoceras †Tubiferoceras †Tumidoceras †Tumidonautilus †Tunguskoceras †Turnoceras †Turoceras †Tuyloceras †Tylodiscoceras †Tylonautilus †Tylorthoceras †Tyrioceras

Nautilus pompilius anatomy.

U

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†Ukhtoceras †Uloceras †Ulrichoceras

†Umbeloceras †Ungulites †Uralorthoceras

†Uranoceras †Urtasymoceras

V

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†Valcouroceras †Valhallites †Valhalloceras †Vasalemmoceras †Vassaroceras †Vaupelia

†Venatoroceras †Veneficoceras †Ventroloboceras †Vericeras †Verticoceras †Vertorhizoceras

†Vespoceras †Vestinautilus †Virgaloceras †Virgoceras

W

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†Wadeoceras †Walcottoceras †Wardoceras †Weberoceras †Weishanhuceras †Welleroceras

†Wellsoceras †Westonoceras †Whiteavesites †Whitfieldoceras †Wichitoceras †Williamsoceras †Wilsonoceras

†Winnipegoceras †Wissenbachia †Wolungoceras †Woosteroceras †Worthenoceras †Wutinoceras

X

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†Xainzanoceras †Xenoceras

†Xenocheilus †Xiaoshaoceras

†Xiphoceras

Y

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• †Yakutionautilus

Z

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†Zeehanoceras †Zerashanoceras

†Zhuibianoceras †Zhuralevia

†Zittelloceras †Zooceras

References

• Uncited genera names can be attributed to Sepkoski (2002) : Sepkoski, J.J. Jr. 2002. A compendium of fossil marine animal genera. D.J. Jablonski & M.L. Foote (eds.). Bulletins of American Paleontology 363: 1–560. Sepkoski's Online Genus Database (CEPHALOPODA)