| St. Corneli, Tremp Area, Cataluna [Podega Fm] | Campaniense inferior | Podega | — |
| St. Corneli, Tremp Area, Coll de Jovell Formation, Cataluna | Coniaciense | Coll de Jovell | — |
| St. Corneli, Tremp Area, Collades de Basturs Formation, Cataluna | Santoniense | Collades de Basturs | — |
| St. Corneli, Tremp Area, Herba-savina Clays, Cataluna | Santoniense superior | Herba-savina Clays | — |
| St. Corneli, Tremp Area, lower Tremp Formation, Cataluna | Maastrichtiense | — | Cataluña |
| St. Corneli, Tremp Area, Montagut Formation, Cataluna | Coniaciense | Montagut | — |
| St. Corneli, Tremp Area, Montesquiu Formation, Cataluna | Campaniense superior | Montesquiu | — |
| St. Corneli, Tremp Area, Texanitid Marls, Cataluna | Coniaciense superior | Texanitid Marls | — |
| St. Corneli, Tremp Area, Vila Vella Formation, Cataluna | Campaniense | Vila Vella | — |
| St. Roc, Vic area, Gurb Member, Ebro Basin, Catalonia | Bartoniense | Vic Marls | — |
| Sta. Cecilia, Vic area, La Guixa Member, Ebro Basin, Catalonia | Bartoniense | Vic Marls | — |
| Sta. Eulàlia de Riuprimer | Priaboniense | Vic | — |
| Subirats | Burdigaliense | — | — |
| Suertes-1 | Hauteriviense | El Castellar | — |
| Suterranya mine (lignite bed) | Maastrichtiense inferior | La Posa | Cataluña |
| Suterranya roadcut | Maastrichtiense inferior | La Posa | Cataluña |
| Suterranya-1 (gypsum bed) | Maastrichtiense inferior | La Posa | Cataluña |
| Suterranya-2 | Maastrichtiense inferior | La Posa | Cataluña |
| Suterranya-3 | Maastrichtiense inferior | La Posa | Cataluña |
| Suterranya-Cami de Montesquiu | Maastrichtiense superior | — | Cataluña |
| SW Lorca Basin, Murcia | Tortoniense | — | — |
| Synclinal de Tuveres | Pliensbachiense superior | — | — |
| Tagle, northern Cantabria (Late Cenomanian) | Cenomaniense superior | Cenomanian | — |
| Talave section TA-1 (epigonus zone) | Fassaniense | Siles | — |
| Talus, Playa de Tagle | Coniaciense inferior | — | — |
| Talveila tracksite | Sinemuriense | Cuevas Labradas | — |
| Tamajón (Choffaticeras quaasi subzone) | Turoniense inferior | Puentedey | — |
| Tarabillo section, Polymorphum zone | Toarciense inferior | Zegri | — |
| Taradell | Bartoniense | Folgarolas Sandstone | Cataluña |
| Taradell (Tavertet Limestones) | Luteciense | Tavertet Limestones | Cataluña |
| Tarazona de Aragon | Burdigaliense | — | Aragón |
| Tartareu, Avellanes (Stokesi subzone) | Zona Margaritatus | Josa de Cadi | — |
| Tartareu, Avellanes (Tenuicostatum zone) | Zona Tenuicostatum | Padrinas | — |
| Tartareu, bed 2, Avellanes | Zona Ibex | Escales | — |
| Tartareu, bed 7, Avellanes | Zona Margaritatus | Josa-de-Cadi | — |
| Tartareu, bed 9, Avellanes | Zona Spinatum | Barre a Pecten | — |
| Tauleria | Maastrichtiense inferior | Lower Red Garumnian | Cataluña |
| Tavernes (Unit 3, level 4) | Campaniense superior | — | — |
| Tavernes, Iberian domain (Unit 1, level 1) | Campaniense superior | — | — |
| Tavernes, Iberian domain (Unit 2, level 2) | Campaniense superior | — | — |
| Tavernes, Iberian domain (Unit 2, level 3) | Campaniense superior | — | — |
| Tavernes, Iberian Domain (Unit 3, level 5) | Campaniense superior | — | — |
| Tavernes, Spain (Unit 3) | Campaniense superior | — | — |
| Tavertet section, Vic area | Luteciense | Tavertet/Girona Limestone | — |
| Tavertet, near Vic | Luteciense | Coll de Malla Marl | — |
| Tavèrnoles | Luteciense | Coll de Malla Marl | — |
| Tazones cliffs, Villaviciosa | Kimmeridgiense | Vega | — |
| Tazones W-1, Villaviciosa | Kimmeridgiense | Lastres | Principado de Asturias |
| Tejería Beltrán (26.0 m) | Barremiense superior | Arcillas de Morella | Comunitat Valenciana |
| Tejería Beltrán (39.5 m) | Barremiense superior | Arcillas de Morella | Comunitat Valenciana |
| Tejería Beltrán (50.7 m) | Barremiense superior | Arcillas de Morella | Comunitat Valenciana |
| Tenada de la Rosa (C-15) | Hauteriviense superior | — | Castilla y León |
| Tenada de los Lanos | Berriasiense | — | Castilla y León |
| Tenada Tizuela | Hauteriviense superior | Piedrahita de Muñó | Castilla y León |
| Tenadas Bajeras II | Hauteriviense superior | — | — |
| Tenadas de Cuestalomo tracksite (CLST) | Hauteriviense superior | Pinilla de los Moros | Castilla y León |
| Tenadas de los Vallejos II (PS-RV II) | Barremiense superior | Castrillo de la Reina | Castilla y León |
| Tenadas de Viajete | Hauteriviense | — | Castilla y León |
| Tenadas del Bardal, Hacinas | Barremiense | — | Castilla y León |
| Tenadas del Jabalí (JTS) | Hauteriviense superior | Pinilla de los Moros | Castilla y León |