| Upper Carboniferous fauna, Vergano Fm at Vergano | Moscoviense | Vergano | Castilla y León |
| Upper Dobrotivian diamictite beds, Aragoncillo | Dobrotiviense | Villar del Salz | Castilla-La Mancha |
| Upper Dobrotivian find sandstones, Aragoncillo | Dobrotiviense | San Marcos | Castilla-La Mancha |
| Upper Dobrotivian nodular shale beds, Aragoncillo | Dobrotiviense | San Marcos | Castilla-La Mancha |
| Upper Dobrotivian nodular shales, Sierra Menera | Dobrotiviense | San Marcos | Castilla-La Mancha |
| Upper Emsian assem from basal upper member of Moniello Fm, Asturias, NW Spain | Emsiense superior | Moniello | Principado de Asturias |
| Upper Emsian assem from basal upper member of Moniello Fm, East Pravia, NW Spain | Emsiense superior | Moniello | Principado de Asturias |
| Upper Emsian assem from the La Vid-Raneces Group Asturias, NW Spain | Emsiense superior | upper part | Principado de Asturias |
| Upper Emsian assem from the La Vid-Raneces Group Somiedo, Asturias, NW Spain | Emsiense superior | upper part | Principado de Asturias |
| Upper Emsian assem from the Raneces Group Capas de Aguion mem Asturias, NW Spain | Emsiense superior | Capas de Aguion | Principado de Asturias |
| Upper Emsian assem from the Raneces Grp Capas de Aguion mem Fenolleda, NW Spain | Emsiense superior | Capas de Aguion | Principado de Asturias |
| Upper Emsian assem from the Raneces Grp Capas de Aguion mem Ferrones, NW Spain | Emsiense superior | Capas de Aguion | Principado de Asturias |
| Upper Emsian assem from the upper La Vid-Raneces Group Asturias, NW Spain | Emsiense superior | upper part | Principado de Asturias |
| Upper Emsian assem from the upper Moniello Fm, Asturias, NW Spain | Emsiense superior | Moniello | Principado de Asturias |
| Upper Emsian assem from the upper Raneces Group, Asturias, NW Spain | Emsiense superior | upper part | Principado de Asturias |
| Upper Emsian assemblage from the basal Moniello Fm, Asturias, NW Spain | Emsiense superior | Moniello | Principado de Asturias |
| Upper Emsian assemblage from the basal Moniello Fm, Aviles, NW Spain | Emsiense superior | Moniello | Principado de Asturias |
| Upper Emsian assemblage from the upper La Vid Group, Leon, NW Spain | Emsiense superior | upper part | Castilla y León |
| Upper Emsian assemblage from the upper Moniello Fm, West Salinas, NW Spain | Emsiense superior | Moniello | Principado de Asturias |
| Upper Emsian assemblage from the upper Raneces Group, East La Plaza, NW Spain | Emsiense superior | upper part | Principado de Asturias |
| Upper Emsian athyrid from base of Moniello Fm, S. Cornellana, NW Spain | Emsiense superior | Moniello | Principado de Asturias |
| Upper Emsian athyrid from the Raneces Group, La Riera, NW Spain | Emsiense superior | Capas de Aguion | Principado de Asturias |
| Upper Emsian athyrid from the Raneces Group, South Belmonte de Miranda, NW Spain | Emsiense superior | Capas de Aguion | Principado de Asturias |
| Upper Givetian-Frasnian athyrid from the Canadas fm., NW Spain | Givetiense superior | Candas | Principado de Asturias |
| Upper horizon, Santed Fm., Celtiberia, Zaragoza, Spain | Arenig | Santed | Aragón |
| Upper La Vid Shale Locality Des-2 | Emsiense | — | Castilla y León |
| Upper Mbr, Armorican Quartzite Fm., Celtiberia, Zaragoza, Spain | Arenig | Armorican Quartzite | Aragón |
| Upper Muschelkalk, Henarejos, Cuenca Province | Ladiniense | Dolomite | Castilla-La Mancha |
| Upper Muschelkalk, Jalance | Ladiniense | Dolomite | Comunitat Valenciana |
| Upper Oretanian shale & siltstone beds, Aragoncillo | Oretaniense | Villar del Salz | Castilla-La Mancha |
| Upper Reef, Cati, Maestrazgo | Hauteriviense | Llacova | — |
| Urbasa Plateau | Luteciense | Urbasa-Andia | — |
| Utrillas | Albiense | Escucha | Aragón |
| Utrillas (Coquand collection) | Aptiense | Urgoniana | — |
| Utrillas (Verneuil collection) | Aptiense | Urgoniana | — |
| Utrillas-Eschucha | Albiense medio | Escucha | Aragón |
| Uztarrotz | Bartoniense | Margas de Pamplona | Comunidad Foral de Navarra |
| Uña | Barremiense superior | La Huérguina | Castilla-La Mancha |
| V1, Elsa Nappe | Cámbrico inferior | Láncara | — |
| Vadillos | Barremiense superior | El Collado | Castilla-La Mancha |
| Vadillos-1 | Barremiense superior | El Collado | Castilla-La Mancha |
| Vadillos-2 | Barremiense superior | El Collado | Castilla-La Mancha |
| Vadillos-san Roman de Cameros | Berriasiense | — | La Rioja |
| Valalto 2C | Mioceno medio | — | Aragón |
| Valancia de Alcántara | Berouniense | Calymenella Quartzite | Extremadura |
| Valancia de Alcántara | Berouniense | Onnia Shale | Extremadura |
| Valdebrajos tracksite | Aptiense | — | La Rioja |
| Valdecantos tracksite | Berriasiense | Huérteles | Castilla y León |
| Valdecebro 3 | Turoliense | Alfambra | Aragón |
| Valdecebro 4 | Turoliense | Alfambra | Aragón |
| Valdecevillo Este tracksite | Aptiense | — | La Rioja |
| Valdecevillo tracksite, level 0 | Aptiense | — | La Rioja |
| Valdecevillo tracksite, level 100 | Aptiense | — | La Rioja |
| Valdecevillo tracksite, level 150 | Aptiense | — | La Rioja |
| Valdecollares | Oligoceno inferior | Unidad Detritica Inferior | Castilla-La Mancha |
| Valdeganga 1 | Plioceno | — | Castilla-La Mancha |
| Valdeganga 2 | Plioceno | Valdeganga | Castilla-La Mancha |
| Valdeganga 3 | Plioceno | Valdeganga | Castilla-La Mancha |
| Valdeganga 4 | Plioceno | Valdeganga | Castilla-La Mancha |
| Valdegén I tracksite | Berriasiense medio | Huérteles | Castilla y León |