| Fabagella | Cuspidariidae | Cuspidariina | Gracilispira | Ancillinae | Olividae | Stromboidea | ||
| Fabella | Sportellidae | Cyamioidea | Grammoceras | Hildoceratidae | Ammonoida | |||
| Falsicolus | Fusininae | Fasciolariidae | Columbelloidea | Grandipatula | Zonitidae | Volutoidea | ||
| Falsilunatia | Polinicidae | Naticoidea | Granocardium | Cardiinae | Cardiidae | Vitrinoidea | ||
| Falsilyra | Fulgorarinae | Volutidae | Volutoidea | Granoturris | Mangeliinae | Conidae | Cardioidea | |
| Fasciolaria | Fasciolariinae | Fasciolariidae | Columbelloidea | Granulina | Granulinae | Cystiscidae | Conoidea | |
| Fastigiella | Cerithiinae | Cerithiidae | Cerithioidea | Granulofusus | Fusininae | Fasciolariidae | Columbelloidea | |
| Faunus | Pachychilidae | Cerithioidea | Granulolabium | Tiaracerithiinae | Batillariidae | Volutoidea | ||
| Favartia | Muricinae | Muricidae | Muricoidea | Graphidula | Fasciolariinae | Fasciolariidae | Columbelloidea | |
| Favartia | Muricopsinae | Muricidae | Muricoidea | Graphis | Cerithioidea | |||
| Faxia | Rissoinae | Rissoidae | Rissooidea | Grateloupia | Meretricinae | Veneridae | Rissoelloidea | |
| Felaniella | Ungulinidae | Lucinoidea | Gravesia | Perisphinctidae | Ammonoida | |||
| Ferussiana | Cyclophorinae | Cyclophoridae | Cyclophoroidea | Gryphaea | Gryphaeinae | Gryphaeidae | Veneroidea | |
| Ficopsis | Ficidae | Ficoidea | Gryphaeostrea | Exogyrinae | Ostreidae | Ostreoidea | ||
| Fictiscala | Epitoniinae | Epitoniidae | Janthinoidea | Guildfordia | Turbininae | Turbinidae | Ostreoidea | |
| Ficus | Ficidae | Ficoidea | Gutturnium | Cymatinae | Ranellidae | Tonnoidea | ||
| Ficusocorbula | Caestocorbulinae | Corbulidae | Myoidea | Gymnentone | Turritellinae | Turritellidae | Cerithioidea | |
| Fimbria | Fimbriidae | Lucinoidea | Gyraulus | Planorbinae | Planorbidae | Trochoidea | ||
| Fissidentalium | Dentaliidae | Dentaliida | Scaphopoda | Gyrineum | Ranellinae | Ranellidae | Planorbioidea | |
| Fissurelidea | Fissurellidinae | Fissurellidae | Fissurelloidea | Gyrodes | Polinicidae | Tonnoidea | ||
| Fissurella | Fissurellinae | Fissurellidae | Fissurelloidea | Hadriana | Ocenebrinae | Muricidae | Naticoidea | |
| Flabellipecten | Pectininae | Pectinidae | Pectinoidea | Haedopleura | Crassispirinae | Turridae | Muricoidea | |
| Fontigens | Fontigentinae | Hydrobiidae | Rissooidea | Haliotis | Haliotidae | Conoidea | ||
| Foratiscala | Nystiellinae | Epitoniidae | Janthinoidea | Haliris | Verticordiidae | Cuspidariina | ||
| Fossarus | Fossaridae | Vanikoroidea | Haminoea | Haminoeinae | Haminoeidae | Scissurelloidea | ||
| Fossularca | Anadarinae | Arcidae | Arcoidea | Harpa | Harpinae | Harpidae | Acteonoidea | |
| Fragum | Fraginae | Cardiidae | Cardioidea | Harpoceras | Hildoceratidae | Ammonoida | ||
| Friginatica | Polinicidae | Naticoidea | Harpulina | Zidoninae | Volutidae | Muricoidea | ||
| Fulcrella | Sportellidae | Cyamioidea | Hartungia | Janthinidae | Volutoidea | |||
| Fulgoraria | Fulgorarinae | Volutidae | Volutoidea | Harvella | Mactrinae | Mactridae | >Mactroidea | |
| Fulguropsis | Busyconinae | Melongenidae | Buccinoidea | Hastula | Terebrinae | Terebridae | Janthinoidea | |
| Fulvia | Cardiinae | Cardiidae | Cardioidea | Haustator | Turritellinae | Turritellidae | Conoidea | |
| Fuscocardium | Clinocardiinae | Cardiidae | Cardioidea | Hausttellum | Muricinae | Muricidae | Cerithioidea | |
| Fusimitra | Mitrinae | Mitridae | Mitroidea | Hedecardium | Cardiinae | Cardiidae | Muricoidea | |
| Fusinus | Fusininae | Fasciolariidae | Columbelloidea | Heilprinia | Fusininae | Fasciolariidae | Cardioidea | |
| Fusiturricula | Cochlespirinae | Turridae | Conoidea | Heliacus | Heliacinae | Architectonicidae | Columbelloidea | |
| Fusiturris | Turrinae | Turridae | Conoidea | Helicaulax | Aporrhaiidae | Stromboidea | ||
| Fustiaria | Fustiariidae | Dentaliida | Scaphopoda | Heligmina | Heligminae | Malleidae | Architectonicoidea | |
| Gadila | Gadilidae | Gadilimorpha | Scaphopoda | Helisoma | Helisomatinae | Planorbidae | Pterioidea | |
| Gafrarium | Gafrarinae | Veneridae | Veneroidea | Helix | Helicinae | Helicidae | Planorbioidea | |
| Galba | Lymnaeinae | Lymnaeidae | Lymnaeoidea | Hemiauricula | Liocarininae | Acteonidae | Helicoidea | |
| Galeodea | Cassinae | Cassidae | Tonnoidea | Hemicerithium | Cerithiinae | Cerithiidae | Acteonoidea | |
| Gardnerella | Myrteinae | Lucinidae | Lucinoidea | Hemiconus | Coninae | Terebridae | Cerithioidea | |
| Gari | Psammobiinae | Psammobiidae | Tellinoidea | Hemicyclonosta | Cardiliidae | Conoidea | ||
| Gastrana | Macominae | Tellinidae | Tellinoidea | Hemifusus | Melongeninae | Melongenidae | Mactroidea | |
| Gastrochaena | Gastrochaenidae | Gastrochaenoidea | Hemimetis | Tellininae | Tellinidae | Buccinoidea | ||
| Gazameda | Turritellinae | Turritellidae | Cerithioidea | Hemipleurotoma | Crassispirinae | Turridae | Conoidea | |
| Gegania | Mathildidae | Architectonicoidea | Hemiplicatula | Anomiidae | Tellinoidea | |||
| Gelasinostoma | Colloniinae | Turbinidae | Trochoidea | Hemisinus | Semisinusinae | Thiaridae | Anomioidea | |
| Geloina | Corbiculidae | Corbiculoidea | Hemitoma | Emarginulinae | Fissurellidae | Fissurelloidea | ||
| Gemmaterebra | Terebrinae | Terebridae | Conoidea | Hercorhyncus | Fusininae | Fasciolariidae | Columbelloidea | |
| Gemmula | Turrinae | Turridae | Conoidea | Here | Lucininae | Lucinidae | Cerithioidea | |
| Genota | Clathurellinae | Conidae | Conoidea | Hesperisternia | Photinae | Buccinidae | Lucinoidea | |
| Gibberula | Persiculinae | Cystiscidae | Volutoidea | Heteranomia | Anomiidae | Anomioidea | ||
| Gibbolucina | Milthinae | Lucinidae | Lucinoidea | Heteropurpura | Ocenebrinae | Muricidae | Buccinoidea | |
| Gibbula | Trochinae | Cirridae | Cirroidea | Hexacorbula | Caryocorbulinae | Corbulidae | Muricoidea | |
| Gigantostrea | Crassostreinae | Ostreidae | Ostreoidea | Hexaplex | Muricinae | Muricidae | Myoidea | |
| Gisortia | Gisortinae | Cypraeidae | Cypraeoidea | Hiatella | Hiatellidae | Muricoidea | ||
| Glabella | Marginellinae | Marginellidae | Volutoidea | Hilda | Cymatinae | Ranellidae | Hiatelloidea | |
| Glabrocythara | Mangeliinae | Conidae | Conoidea | Hildoceras | Hildoceratidae | Ammonoida | ||
| Glans | Carditamerinae | Carditidae | Carditoidea | Hina | Venerinae | Veneridae | Veneroidea | |
| Glaphyrina | Fasciolariinae | Fasciolariidae | Columbelloidea | Hindsiclava | Crassispirinae | Turridae | Tonnoidea | |
| Glauconia | Subfam. Unknown | Thiaridae | Cerithioidea | Hindsiella | Sportellidae | Conoidea | ||
| Globinassa | Buccininae | Buccinidae | Buccinoidea | Hinea | Planaxidae | Cyamioidea | ||
| Globisinum | Globisininae | Naticidae | Naticoidea | Hinnites | Pectininae | Pectinidae | Cerithioidea | |
| Globularia | Ampullospirinae | Ampullinidae | Naticoidea | Hippochrenes | Rostellariinae | Strombidae | Pectinoidea | |
| Glossaulax | Polinicidae | Naticoidea | Hipponix | Hipponicidae | Stromboidea | |||
| Glossocardia | Glossidae | Glossoidea | Hippurites | Hippuritidae | Calyptraeoidea | |||
| Glossus | Glossidae | Glossoidea | Hispidofusus | Fusininae | Fasciolariidae | Hippuritoidea | ||
| Glycymeris | Glycymeridinae | Glycymerididae | Limopsoidea | Hoernesarca | Noetiinae | Noetiidae | Columbelloidea | |
| Glycymerita | Glycymeridinae | Glycymerididae | Limopsoidea | Homalaxis | Architectonicinae | Architectonicidae | Architectonicoidea | |
| Glyphostoma | Clathurellinae | Conidae | Conoidea | Homalocantha | Muricinae | Muricidae | Arcoidea | |
| Gobraeus | Psammobiinae | Psammobiidae | Tellinoidea | Homalopoma | Colloniinae | Turbinidae | Muricoidea | |
| Gomphina | Tapetinae | Veneridae | Veneroidea | Hyala | Iravadiidae | Trochoidea | ||
| Goniocardium | Goniocardiidae | Tridacnoidea | Hydrobia | Hydrobiinae | Hydrobiidae | Rissooidea | ||
| Goniomyrtea | Myrteinae | Lucinidae | Hyotissa | Pycnodonteinae | Gryphaeidae | Rissooidea | ||
| Goodallia | Astartinae | Astartidae | Lucinoidea | Hypocassis | Cassinae | Cassidae | Ostreoidea | |
| Goossensia | Carditamerinae | Carditidae | Astartoidea | Hypotrochus | Campanilidae | Tonnoidea | ||
| Gouldia | Gafrarinae | Veneridae | Carditoidea | Hystrivasum | Vasidae | Cerithioidea | ||
| Graciliala | Aporrhaiidae | Veneroidea | ||||||