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This list of prehistoric bony fish is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be bony fish (class Osteichthyes), 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 members of osteichthyes.
This list includes 1,387 generic names.
Naming conventions and terminology
Naming conventions and terminology follow the International Code of Zoological Nomenclature. Technical terms used include:
- Junior synonym: A name which describes the same taxon as a previously published name. If two or more genera are formally designated and the type specimens are later assigned to the same genus, the first to be published (in chronological order) is the senior synonym, and all other instances are junior synonyms. Senior synonyms are generally used, except by special decision of the ICZN, but junior synonyms cannot be used again, even if deprecated. Junior synonymy is often subjective, unless the genera described were both based on the same type specimen.
- Nomen nudum (Latin for "naked name"): A name that has appeared in print but has not yet been formally published by the standards of the ICZN. Nomina nuda (the plural form) are invalid, and are therefore not italicized as a proper generic name would be. If the name is later formally published, that name is no longer a nomen nudum and will be italicized on this list. Often, the formally published name will differ from any nomina nuda that describe the same specimen.
- Nomen oblitum (Latin for "forgotten name"): A name that has not been used in the scientific community for more than fifty years after its original proposal.
- Preoccupied name: A name that is formally published, but which has already been used for another taxon. This second use is invalid (as are all subsequent uses) and the name must be replaced. As preoccupied names are not valid generic names, they will also go unitalicized on this list.
- Nomen dubium (Latin for "dubious name"): A name describing a fossil with no unique diagnostic features. As this can be an extremely subjective and controversial designation, this term is not used on this list.
A
- †Abadzekhia
- ✝Absalomichthys
- †Absalomichthys
- Acanthognathus
- †Acanthonemus
- Acanthonotus
- †Acanthopleurus
- †Acanthopygaeus
- Acanthurus
- Acentrogobius
- †Acentrophorus
- †Acestrus
- Achiurus
- †Achoania[1]
- †Achrestogrammus
- Acipenser
- †Acrogaster
- †Acrognathus
- †Acrolepis
- Acropoma
- †Acrotemnus
- †Adriacentrus
- †Aeduella
- ✝Aedulla
- †Aegicephalichthys
- †AeoliscoidesSepkoski 2002
- AeoliscusSepkoski 2002
- †AethalionopsisSepkoski 2002
- †AetheodontusSepkoski 2002
- †AetheolepisSepkoski 2002
- †AetheretmonSepkoski 2002
- †AfricentrumSepkoski 2002
- †AglyptorhynchusSepkoski 2002
- AgonusSepkoski 2002
- †Ainia
- †AipichthyoidesSepkoski 2002
- †AipichthysSepkoski 2002
- †Albertonia
- AlbulaSepkoski 2002
- †AlcoveriaSepkoski 2002
- AlectisSepkoski 2002
- AlepesSepkoski 2002
- AlepisaurusSepkoski 2002
- †AliseaSepkoski 2002
- †AlleiolepisSepkoski 2002
- †AllelepidotusSepkoski 2002
- †AllenypterusSepkoski 2002
- †AlloberyxSepkoski 2002
- †AllolepidotusSepkoski 2002
- †Allomorone
- AllosmerusSepkoski 2002
- †AllothrissopsSepkoski 2002
- AlosaSepkoski 2002
- AluteraSepkoski 2002
- ✝AluvarusSepkoski 2002
- †Aluvarus
- AmansesSepkoski 2002
- †AmblypterinaSepkoski 2002
- †AmblypterusSepkoski 2002
- †AmiopsisSepkoski 2002
- AmmodytesSepkoski 2002
- †AmpheristusSepkoski 2002
- †AmphipercaSepkoski 2002
- AmphistichusSepkoski 2002
- †AmphistiumSepkoski 2002
- †AnaethalionSepkoski 2002
- †AnalectisSepkoski 2002
- AnarhichasSepkoski 2002
- AnarrhichthysSepkoski 2002
- AnchoaSepkoski 2002
- †AndreolepisSepkoski 2002
- †Angatubichthys
- †Angolaichthys
- AnguillaSepkoski 2002
- †AnguillavusSepkoski 2002
- †AnguilloidesSepkoski 2002
- AnisotremusSepkoski 2002
- †AnkylophorusSepkoski 2002
- †Annaichthys
- †AnomoeodusSepkoski 2002
- AntennariusSepkoski 2002
- AntigoniaSepkoski 2002
- †Antofagastaichthys
- ✝AntofastaichthysSepkoski 2002
- †ApateodusSepkoski 2002
- †Apateolepis
- †ApateopholisSepkoski 2002
- †AphanepygusSepkoski 2002
- †AphelolepisSepkoski 2002
- AphiaSepkoski 2002
- †AphnelepisSepkoski 2002
- AplodinotusSepkoski 2002
- ApogonSepkoski 2002
- †ApogonoidesSepkoski 2002
- ApolectusSepkoski 2002
- ApsilusSepkoski 2002
- †ApsopelixSepkoski 2002
- AracanaSepkoski 2002
- AraeosteusSepkoski 2002
- †AramichthysSepkoski 2002
- †AraripichthysSepkoski 2002
- †ArchaeolepidotusSepkoski 2002
- †ArchaeomaeneSepkoski 2002
- †Archaeosemionotus
- †ArchaephippusSepkoski 2002
- †ArchaeusSepkoski 2002
- †ArctosomusSepkoski 2002
- †ArdiodusSepkoski 2002
- †Ardoreosomus
- ArgentinaSepkoski 2002
- †ArgillichthysSepkoski 2002
- †ArgilloberyxSepkoski 2002
- ArgyripnusSepkoski 2002
- ArgyropelecusSepkoski 2002
- ArgyrosomusSepkoski 2002
- AriommaSepkoski 2002
- AriosomaSepkoski 2002
- AriusSepkoski 2002
- ArnoglossusSepkoski 2002
- †Arratiaichthys
- ArtediusSepkoski 2002
- †AsarotusSepkoski 2002
- †AscalobosSepkoski 2002
- †AsialepidotusSepkoski 2002
- †AsimaSepkoski 2002
- †AsineopsSepkoski 2002
- †AspidorhynchusSepkoski 2002
- †AsthenocormusSepkoski 2002
- AstronesthesSepkoski 2002
- †Atacamichthys
- ✝AtacamichthyssSepkoski 2002
- AteleopusSepkoski 2002
- AtheresthesSepkoski 2002
- AtherinaSepkoski 2002
- AtherinopsisSepkoski 2002
- †AthrodonSepkoski 2002
- †AtopocephalaSepkoski 2002
- †AulolepisSepkoski 2002
- †AulopopsisSepkoski 2002
- AulopusSepkoski 2002
- †AulorhamphusSepkoski 2002
- AulorhynchusSepkoski 2002
- †AulostomoidesSepkoski 2002
- AulostomusSepkoski 2002
- †AustralosomusSepkoski 2002
- †AustroclupeaSepkoski 2002
- †AustrolepidotusSepkoski 2002
- AustrophycisSepkoski 2002
- †AustropleuropholisSepkoski 2002
- †AvitolabraxSepkoski 2002
- †AvitoluvarusSepkoski 2002
- †AxeliaSepkoski 2002
- †Axelrodichthys
Bedit
- BairdiellaSepkoski 2002
- †BajaichthysSepkoski 2002
- †BaleiichthysSepkoski 2002
- BalistesSepkoski 2002
- †BalistomorphusSepkoski 2002
- †BananogmiusSepkoski 2002
- †BarcarenichthyesSepkoski 2002
- BassozetusSepkoski 2002
- BathyclupeaSepkoski 2002
- BathygadusSepkoski 2002
- †Bathylagus (extance disputedSepkoski 2002)
- †BathysomaSepkoski 2002
- BatrachoidesSepkoski 2002
- †Bawitius
- †Beagiascus
- †BeaumontopercaSepkoski 2002
- †BeerichthysSepkoski 2002
- †Beishanichthys
- †Belichthys
- BeloneSepkoski 2002
- †BelonostomusSepkoski 2002
- †Beltanodus
- BembropsSepkoski 2002
- †BendeniusSepkoski 2002
- BenthocomectesSepkoski 2002
- BenthosemaSepkoski 2002
- †BerybolcensisSepkoski 2002
- †BerycomorusSepkoski 2002
- †BerycopsiaSepkoski 2002
- †BerycopsisSepkoski 2002
- BeryxSepkoski 2002
- †BesaniaSepkoski 2002
- †Bethesdaichthys
- †BiliniaSepkoski 2002
- †BirgeriaSepkoski 2002
- †BlabeSepkoski 2002
- BlenniusSepkoski 2002
- †BlochiusSepkoski 2002
- †Blourugia
- †Bluefieldius
- †BobasatraniaSepkoski 2002
- †BobbichthysSepkoski 2002
- BodianusSepkoski 2002
- †BolbocaraSepkoski 2002
- †BolcanguillaSepkoski 2002
- †BolcyrusSepkoski 2002
- †Bolinichthyes (extance disputedSepkoski 2002)
- †Bonnerichthys
- BoopsSepkoski 2002
- †BoreichthysSepkoski 2002
- †BoreolepisSepkoski 2002
- †BoreosomusSepkoski 2002
- ✝BorichthysSepkoski 2002
- BothusSepkoski 2002
- †Bourbonnella
- BrachionichthysSepkoski 2002
- †Brachydegma
- BrachydeuterusSepkoski 2002
- †BrachypareionSepkoski 2002
- BramaSepkoski 2002
- †BramoidesSepkoski 2002
- BranchiostegusSepkoski 2002
- †BrannerionSepkoski 2002
- †Brazilichthys
- †BregmaceriniaSepkoski 2002
- BregmacerosSepkoski 2002
- †BrembodusSepkoski 2002
- †Brookvalia
- ✝BroovaliaSepkoski 2002
- BrosmeSepkoski 2002
- BrosmiusSepkoski 2002
- BrotulaSepkoski 2002
- †BroughiaSepkoski 2002
- †BroweriaSepkoski 2002
- †BrowneichthysSepkoski 2002
- †BrychaetusSepkoski 2002
- BuglossidiumSepkoski 2002
- †Bullichthys
- ✝BurbonellaSepkoski 2002
- †Burguklia
- †BurtiniaSepkoski 2002
Cedit
- CaesioSepkoski 2002
- †CaeusSepkoski 2002
- †Calamopleurus
- †CalamostomaSepkoski 2002
- CalamusSepkoski 2002
- CallionymusSepkoski 2002
- †CallipteryxSepkoski 2002
- †Callipurbeckia
- ✝CallopterusSepkoski 2002
- ✝CallopteusSepkoski 2002
- CallyodonSepkoski 2002
- Calotomus (extance disputedSepkoski 2002)
- †Candelarialepis
- †CanningiusSepkoski 2002
- †CanobiusSepkoski 2002
- †CaproberyxSepkoski 2002
- CaprosSepkoski 2002
- †CaprovesposusSepkoski 2002
- †CarangodesSepkoski 2002
- †CarangopsisSepkoski 2002
- CaranxSepkoski 2002
- CarapusSepkoski 2002
- †CaridosuctorSepkoski 2002
- †CarpathichthysSepkoski 2002
- †CarsothrissopsSepkoski 2002
- †CaruichthysSepkoski 2002
- †CasieriusSepkoski 2002
- †CasieroidesSepkoski 2002
- †CaturusSepkoski 2002
- †Cavenderichthys
- CentracanthusSepkoski 2002
- CentriscusSepkoski 2002
- CentroberyxSepkoski 2002
- ✝CentrolepisSepkoski 2002
- CentropomusSepkoski 2002
- CentropristisSepkoski 2002
- †CephaloxenusSepkoski 2002
- CepolaSepkoski 2002
- †CeramurusSepkoski 2002
- ✝CeratoichthyesSepkoski 2002
- †Ceratoichthys
- CeratoscopelusSepkoski 2002
- ChaetodonSepkoski 2002
- ChaeturichthysSepkoski 2002
- †ChagriniaSepkoski 2002
- †ChalcidichthysSepkoski 2002
- †Challaia
- ChandaSepkoski 2002
- Chanda (fish)
- †ChangxingiaSepkoski 2002
- †ChanopsisSepkoski 2002
- ChanosSepkoski 2002
- †ChardoniusSepkoski 2002
- †CharitopsisSepkoski 2002
- †CharitosomusSepkoski 2002
- †CharleuxiaSepkoski 2002
- ChauliodusSepkoski 2002
- †Chaunax (extance disputedSepkoski 2002)
- CheilinusSepkoski 2002
- †CheirodopsisSepkoski 2002
- †Cheirolepis
- †CheirothrixSepkoski 2002
- ChelmonSepkoski 2002
- †ChibapsettaSepkoski 2002
- †ChichiaSepkoski 2002
- ChilaraSepkoski 2002
- ChilomycterusSepkoski 2002
- †ChirocentritesSepkoski 2002
- ChirocentrusSepkoski 2002
- †ChirodipterusSepkoski 2002
- ChirostomaSepkoski 2002
- ✝CheirothrixSepkoski 2002
- ChitonotusSepkoski 2002
- ChlorophthalmusSepkoski 2002
- †ChondrosteusSepkoski 2002
- †ChongichthysSepkoski 2002
- ChromisSepkoski 2002
- †ChrotichthysSepkoski 2002
- †ChrysolepisSepkoski 2002
- ✝ChungkingichthyesSepkoski 2002
- †Chungkingichthys
- †Chuhsiungichthys
- †CimolichthysSepkoski 2002
- †Cipactlichthys
- CitharichthysSepkoski 2002
- CitharusSepkoski 2002
- †CladocyclusSepkoski 2002
- †CleithrolepisSepkoski 2002
- ClidodermaSepkoski 2002
- ClinusSepkoski 2002
- †ClupavusSepkoski 2002
- ClupeaSepkoski 2002
- CobitopsisSepkoski 2002
- †CoccocephalichthysSepkoski 2002
- †CoccodermaSepkoski 2002
- †CoccodusSepkoski 2002
- †CoccolepisSepkoski 2002
- †CoelacanthopsisSepkoski 2002
- †CoelacanthusSepkoski 2002
- †CoelodusSepkoski 2002
- †CoelogasterSepkoski 2002
- CoelorhynchusSepkoski 2002
- †ColobodusSepkoski 2002
- ColpichthyesSepkoski 2002
- Colpichthys
- †Concentrilepis
- †ConchodusSepkoski 2002
- CongerSepkoski 2002
- †CongorhynchusSepkoski 2002
- †Cooyoo
- †Coriops Sepkoski 2002
- †CornuboniscusSepkoski 2002
- †CorunegenysSepkoski 2002
- CoryphaenoidesSepkoski 2002
- †CoryphaenopsisSepkoski 2002
- CoryphopterusSepkoski 2002
- †CosmolepisSepkoski 2002
- †CosmoptychiusSepkoski 2002
- CottopsisSepkoski 2002
- CrenidensSepkoski 2002
- †Crenilepis
- ✝CrenolepisSepkoski 2002
- †CretatriacanthusSepkoski 2002
- †Cretazeus
- †CristigerinaSepkoski 2002
- †CrossognathusSepkoski 2002
- †Crossopholis
- †CryptobalistesSepkoski 2002
- †CryptoberyxSepkoski 2002
- †CryptolepisSepkoski 2002
- CtenoberyxSepkoski 2002
- †CtenocephalichthysSepkoski 2002
- †CtenodentexSepkoski 2002
- †CtenognathichthysSepkoski 2002
- †CtenopomichthysSepkoski 2002
- CtenosciaenaSepkoski 2002
- †CtenothrissaSepkoski 2002
- †CualabaeaSepkoski 2002
- CubicepsSepkoski 2002
- CyclopomaSepkoski 2002
- CyclopterusSepkoski 2002
- †CycloptychiusSepkoski 2002
- CyclothoneSepkoski 2002
- †CylindracanthusSepkoski 2002
- †Cylindrichthys
- CymatogasterSepkoski 2002
- CynoscionSepkoski 2002
- †CyranichthysSepkoski 2002
- †CyranorhisSepkoski 2002
- †CyttoidesSepkoski 2002
Dedit
- †DactylopogonSepkoski 2002
- DactyloptenaSepkoski 2002
- DactylopterusSepkoski 2002
- †DaedalichthysSepkoski 2002
- †DaitingichthysSepkoski 2002
- †DalmatichthysSepkoski 2002
- †DalpiazellaSepkoski 2002
- DamalichthysSepkoski 2002
- DanaphosSepkoski 2002
- †DanatiniaSepkoski 2002
- †DandyaSepkoski 2002
- DannevigiaSepkoski 2002
- †DapalisSepkoski 2002
- †DapaloidesSepkoski 2002
- †DapediumSepkoski 2002
- †Daqingshaniscus
- †DastilbeSepkoski 2002
- †DavichthysSepkoski 2002
- DecapterusSepkoski 2002
- †DecazellaSepkoski 2002
- DeltentosteusSepkoski 2002
- DentexSepkoski 2002
- †DeprandusSepkoski 2002
- †DercetisSepkoski 2002
- †DercetoidesSepkoski 2002
- DermatopsisSepkoski 2002
- †DevonesteusSepkoski 2002
- †DevonosteusSepkoski 2002
- †DiabolepisSepkoski 2002
- †DialiipinaSepkoski 2002
- DiaphusSepkoski 2002
- †DiaphyodusSepkoski 2002
- DibranchusSepkoski 2002
- †Dicellopyge
- DicologoglossaSepkoski 2002
- †Dictyopyge
- ✝DictyopygeSepkoski 2002
- †DigoriaSepkoski 2002
- †DimorpholepisSepkoski 2002
- †DinelopsSepkoski 2002
- †DinopteryxSepkoski 2002
- DiodonSepkoski 2002
- DiplacanthopomaSepkoski 2002
- †DiplocercidesSepkoski 2002
- DiplodusSepkoski 2002
- †DipnorhynchusSepkoski 2002
- †DipterichthysSepkoski 2002
- †DipteronotusSepkoski 2002
- †DipterusSepkoski 2002
- DipulusSepkoski 2002
- DiretmusSepkoski 2002
- †Discordichthys
- †DollopterusSepkoski 2002
- †DomeykosSepkoski 2002
- †Dorsetichthys
- †DorsolepisSepkoski 2002
- †Dorypterus
- †DrimysSepkoski 2002
- †DrydeniusSepkoski 2002
- †DuctorSepkoski 2002
- †DwykiaSepkoski 2002
Eedit
- †EastmanalepesSepkoski 2002
- †EbenaquaSepkoski 2002
- EchelusSepkoski 2002
- EcheneisSepkoski 2002
- Echeneis (fish)
- †EchidnocephalusSepkoski 2002
- EchiodonSepkoski 2002
- †EclipesSepkoski 2002
- †EcrinesomusSepkoski 2002
- †EctasisSepkoski 2002
- †EctosteorhachisSepkoski 2002
- †EgertoniaSepkoski 2002
- †EichstaettiaSepkoski 2002
- †EigiliaSepkoski 2002
- ElectronaSepkoski 2002
- †ElonichthysSepkoski 2002
- †ElopoidesSepkoski 2002
- †ElopopsisSepkoski 2002
- ElopsSepkoski 2002
- †ElpistoichthysSepkoski 2002
- EmmelichthysSepkoski 2002
- †EnchelionSepkoski 2002
- †EnchelurusSepkoski 2002
- †EnchelyolepisSepkoski 2002
- †EnchodusSepkoski 2002
- EngraulisSepkoski 2002
- †Engycolobodus
- †EnigmatichthysSepkoski 2002
- †Enischnorhynchus
- ✝EnischnorhynchusSepkoski 2002
- †EnniskillenusSepkoski 2002
- EnophrysSepkoski 2002
- †EnoplophthalmusSepkoski 2002
- EnoplosusSepkoski 2002
- †EoanguillaSepkoski 2002
- †EoaulostomusSepkoski 2002
- †EobothusSepkoski 2002
- †EobuglossusSepkoski 2002
- †Eochondrosteus
- †EocoelopomaSepkoski 2002
- †EocottusSepkoski 2002
- †EodiaphyodusSepkoski 2002
- †EodiodonSepkoski 2002
- †EoeugnathusSepkoski 2002
- †EoholocentrumSepkoski 2002
- †EokrefftiaSepkoski 2002
- †EolabroidesSepkoski 2002
- †EolactoriaSepkoski 2002
- †EolamprogrammusSepkoski 2002
- †EolatesSepkoski 2002
- †EolophotesSepkoski 2002
- †EoluvarusSepkoski 2002
- †EomesodonSepkoski 2002
- †EomuraenaSepkoski 2002
- †EomyctophumSepkoski 2002
- EomyrophisSepkoski 2002
- †EomyrusSepkoski 2002
- †EopeyeriaSepkoski 2002
- †EophycisSepkoski 2002
- †EoplataxSepkoski 2002
- †EoplectusSepkoski 2002
- †EoprotelopsSepkoski 2002
- EopsettaSepkoski 2002
- †EosalmoSepkoski 2002
- †EosaurichthysSepkoski 2002
- †EosemionotusSepkoski 2002
- †EoserranusSepkoski 2002
- †EospinusSepkoski 2002
- †EosynancejaSepkoski 2002
- †EotetraodonSepkoski 2002
- †EothynnusSepkoski 2002
- †EothyrstitesSepkoski 2002
- †EotrigonodonSepkoski 2002
- †EozanclusSepkoski 2002
- EpigonusSepkoski 2002
- EpinephelusSepkoski 2002
- EpinnulaSepkoski 2002
- †EriquiusSepkoski 2002
- †ErugocentrusSepkoski 2002
- †EsocelopsSepkoski 2002
- †EtringusSepkoski 2002
- EtrumeusSepkoski 2002
- †EubiodectesSepkoski 2002
- †EugnathidesSepkoski 2002
- EuleptorhamphusSepkoski 2002
- EulichthysSepkoski 2002
- †EuporosteusSepkoski 2002
- †EurycormusSepkoski 2002
- †EurynotoidesSepkoski 2002
- †EurypholisSepkoski 2002
- †EurystichthysSepkoski 2002
- †EusemiusSepkoski 2002
- †EusthenopteronSepkoski 2002
- EuthynnusSepkoski 2002
- †EuthynotusSepkoski 2002
- †EutrichiuridesSepkoski 2002
- EutriglaSepkoski 2002
- †EvenkiaSepkoski 2002
- EvermanellaSepkoski 2002
- †EvesthesSepkoski 2002
- ExalliasSepkoski 2002
- †ExelliaSepkoski 2002
- †ExocoetoidesSepkoski 2002
Fedit
Gedit
- †GabanelliaSepkoski 2002
- †GadellaSepkoski 2002
- GadiculusSepkoski 2002
- GadomusSepkoski 2002
- GadusSepkoski 2002
- GaidropsarusSepkoski 2002
- †GanoessusSepkoski 2002
- †GanolytesSepkoski 2002
- †GanorhynchusSepkoski 2002
- †GardinerichthysSepkoski 2002
- †Gardinerpiscis
- †GarnbergiaSepkoski 2002
- †GasteroclupeaSepkoski 2002
- †GasterorhamphosusSepkoski 2002
- GasterosteusSepkoski 2002
- †GaudryellaSepkoski 2002
- †GazolapodusSepkoski 2002
- GazzaSepkoski 2002
- GempylusSepkoski 2002
- GenyonemusSepkoski 2002
- GenypterusSepkoski 2002
- GephyroberyxSepkoski 2002
- GerresSepkoski 2002
- †Geryonichthys
- †GharbouriaSepkoski 2002
- †GibbodonSepkoski 2002
- †GigantopterusSepkoski 2002
- †GillicusSepkoski 2002
- †GillidiaSepkoski 2002
- †Gimlichthys
- †GinsburgiaSepkoski 2002
- GlaucosomaSepkoski 2002
- †Globulodus
- GlyptocephalusSepkoski 2002
- †GlyptolepisSepkoski 2002
- GlyptophidiumSepkoski 2002
- †GlyptopomusSepkoski 2002
- †GnathoberyxSepkoski 2002
- GnathophisSepkoski 2002
- GobiusSepkoski 2002
- †GonatodusSepkoski 2002
- †GoniocranionSepkoski 2002
- GonostomaSepkoski 2002
- †Gosfordia
- †GoslinophisSepkoski 2002
- †GoudkoffiaSepkoski 2002
- †GracilignathicthysSepkoski 2002
- GrammatorcynusSepkoski 2002
- †GraphiuricthysSepkoski 2002
- †GreenwoodellaSepkoski 2002
- †GriphognathusSepkoski 2002
- †GrossipterusSepkoski 2002
- †GrypodonSepkoski 2002
- †Guntherichthys
- †Gymnoichthys
- GymnosardaSepkoski 2002
- GymnoscopelusSepkoski 2002
- †GyrodusSepkoski 2002
- †GyrolepidoidesSepkoski 2002
- †GyrolepisSepkoski 2002
- †GyronchusSepkoski 2002
- †GyroptychiusSepkoski 2002
- †GyrosteusSepkoski 2002