| Galería de los Pájaros, Cueva del Viento, Tenerife | Pleistoceno superior | — | — |
| Gallardo | Dobrotiviense | Valle Syncline Green and Nodular Shales | Andalucía |
| Gallardo | Berouniense | Valle Syncline Silt & Sandstone | Andalucía |
| Gallinera, Villablino Basin, Leon | Namuriense | — | — |
| Ganuza, near Estella | Turoniense inferior | — | Comunidad Foral de Navarra |
| Gelida | Burdigaliense | — | — |
| Gema (Z-6) | Luteciense | — | Castilla y León |
| Genestosa, Barrios facies | Leniense | Lancara | — |
| Genicera | Ivoriense | Vegamian | Castilla y León |
| Geras de Gordon, 4 m below the top of Santa Lucia Fm | Eifeliense | Santa Lucia | — |
| Geras de Gordon, Santa Lucia Fm | Emsiense superior | Santa Lucia | — |
| Gibraleon | Messiniense | Arcillas de Gibraleón | Andalucía |
| Gijón-Ribadesella (Lastres) | Kimmeridgiense | Lastres | Principado de Asturias |
| Gijón-Ribadesella (Vega) | Kimmeridgiense | Vega | Principado de Asturias |
| Gildar-Monto. 1 meter | Famenniense medio | Vidrieros | — |
| Gildar-Monto. 14 meter | Famenniense medio | Vidrieros | — |
| Gildar-Monto. 15.5 meter | Famenniense medio | Vidrieros | — |
| Gildar-Monto. 29 meter | Famenniense superior | Vidrieros | — |
| Gildar-Monto. 7 meter | Famenniense medio | Vidrieros | — |
| Givetian athyrid from the base Candas Fm, South Grado, Asturias, NW Spain | Givetiense | Candas | Principado de Asturias |
| Givetian athyrid from the lower Candas Fm, El Torno, Asturias, NW Spain | Givetiense | Candas | Principado de Asturias |
| Givetian athyrid from the lower Candas Fm, South Grado, Asturias, NW Spain | Givetiense | Candas | Principado de Asturias |
| Givetian athyrid from the Portila Fm, Member A, Leon, NW Spain | Givetiense | Portilla | Castilla y León |
| Givetian athyrid from the Portila Fm, Member B, Somiedo, Asturias, NW Spain | Givetiense | Portilla | Principado de Asturias |
| Givetian athyrid from the Portila Fm, Member B, Somiedo, Leon, NW Spain | Givetiense | Portilla | Castilla y León |
| Givetian athyrids from the Candas Fm, East Luanco Asturias, NW Spain | Givetiense superior | Candas | Principado de Asturias |
| Givetian fauna from the lower Candas Fm, East Pravia Asturias, NW Spain | Givetiense | Candas | Principado de Asturias |
| Givetian-Frasnian athyrid from Portilla Fm, Member C, Somiedo, Asturias NW Spain | Givetiense superior | Portilla | Principado de Asturias |
| Givetian-Frasnian athyrid from Portilla Fm, Member C, Somiedo, Leon NW Spain | Givetiense superior | Portilla | Castilla y León |
| Givetian-Frasnian athyrids from the Candas Fm, Asturias, NW Spain | Givetiense superior | Candas | Principado de Asturias |
| Givetian-Frasnian fauna from the upper Candas Fm, Asturias, NW Spain | Givetiense superior | Candas | Principado de Asturias |
| Gombrén | Ypresiense | Armàncies | — |
| Gometxa, Álava | Campaniense superior | Vitoria | — |
| Gorafe 1 | MN 14 | — | Andalucía |
| Gorafe 2 | MN 15 | — | Andalucía |
| Gorafe 5 | Plioceno | — | Andalucía |
| Gorg Negre, Lleida (Lérida) | Anisiense | Muschelkalk | Cataluña |
| Gran Canaria Fossil Rodents | Pleistoceno superior | — | — |
| Granada Basin | Tortoniense | — | Andalucía |
| Gredilla de Sedano | Campaniense superior | Quintanaloma | Castilla y León |
| Grávalos tracksite | Cretácico inferior | — | La Rioja |
| Guadabraz, Sample AL158, Hornos-Siles Formation | Ladiniense | Hornos-Siles | Andalucía |
| Guadabraz, Sample AL159, Hornos-Siles Formation | Ladiniense | Hornos-Siles | Andalucía |
| Guadabraz, Sample H, Hornos-Siles Formation | Ladiniense | Hornos-Siles | Andalucía |
| Guadabraz, Sample HO, Hornes-Siles Formation | Ladiniense | Hornos-Siles | Andalucía |
| Guadalcanal vicinity | Autuniense | — | — |
| Guadalupe. 55 meters | Berouniense | Onnia shales | Extremadura |
| Guadarrama 1 | Mioceno medio | — | Comunidad de Madrid |
| Guadiato - Antolín | Brigantiense | Sierra del Castillo | — |
| Guadiato - Caleras Bajas | Brigantiense | Sierra del Castillo | — |
| Guadiato - La Cornuda | Pendleiense | San Antonio - La Julian | — |
| Guadámez II, Retamal de Llerena | Emsiense | — | Extremadura |
| Guardamar del Segura | Zancliense | Rojales Sandstone | Comunitat Valenciana |
| GUD-1, Gúdar | Aptiense inferior | Camarillas | — |
| GUD-13, Gúdar | Barremiense inferior | Camarillas | Aragón |
| GUD-14, Gúdar | Aptiense inferior | Camarillas | — |
| Guilera tracksite | Barremiense | — | La Rioja |
| Gurb turtle | Bartoniense | Manlleu-Vic Marls | — |
| Gurb, Vic area, Gurb Member, Ebro Basin, Catalonia | Bartoniense | Vic Marls | — |
| Gurumbau | Priaboniense | Vic–Manlleu marls | Cataluña |
| Gusepa (G) | Campaniense medio | Allueva | — |
| Gustalapiedra Formation, La Loma Member, Palencia, N Spain | Eifeliense | Gustalapiedra | Castilla y León |
| Gustalapiedra Formation, Man Member, Palencia, N Spain | Eifeliense | Gustalapiedra | Castilla y León |
| Gustalapiedra Formation, shale member, Palencia, N Spain | Eifeliense | Gustalapiedra | Castilla y León |