| 1.5 km southeast of Bacamorta | Ypresiense | Roca | — |
| 2 km northeast of Bacamorta (Upper Ilerdian) | Ypresiense | Roda | — |
| Agost et Callosa | Eoceno inferior | — | — |
| Aguatón | MP 21 | Villarrosano | Aragón |
| Aguatón 2D | MP 19 | Villarrosano | Aragón |
| Aguatón 5A | MP 20 | Villarrosano | Aragón |
| Aguatón 5B | MP 20 | Villarrosano | Aragón |
| Aguatón 6 | MP 20 | Villarrosano | Aragón |
| Aguatón 9 | MP 21 | Villarrosano | Aragón |
| Ainsa | Luteciense | Sobrare | — |
| Ainsa Basin Locality A30 | Luteciense | Sobrarbe | Aragón |
| Ainsa Basin Locality C32 | Luteciense | Sobrarbe | Aragón |
| Ainsa Basin Locality CT | Luteciense | Sobrarbe | Aragón |
| Ainsa Basin Locality L30 | Luteciense | Sobrarbe | Aragón |
| Ainsa Basin Locality LI | Luteciense | Sobrarbe | Aragón |
| Aldealengua | Bartoniense | Cabrerizos | — |
| Aldearrubia-Babilafuente | Bartoniense | Aldearrubia | — |
| Ardanatz village, outcrop AD1.3, Ardanatz Sandstone Fm | Bartoniense | Ardanatz Sandstone | — |
| Ardanatz village, outcrop AD2.1, Ardanatz Sandstone Fm | Bartoniense | Ardanatz Sandstone | — |
| Ardanatz village, outcrop AD3.1, Ardanatz Sandstone Fm | Bartoniense | Ardanatz Sandstone | — |
| Ardanatz village, section AD1.1, Ardanatz Sandstone Fm | Bartoniense | Ardanatz Sandstone | — |
| Ardanatz village, upper part of section AD3, Ardanatz Sandstone Fm | Bartoniense | Ardanatz Sandstone | — |
| Ardanaz | Bartoniense | Ardanatz Sandstone | Comunidad Foral de Navarra |
| As Pontes coal seam package H | Oligoceno | — | Galicia |
| Atarés, Bartonian Corals, Pamplona fm, Pyrenees | Bartoniense | Belsué-Atarés | Aragón |
| Atiart, level 2 | Ypresiense | Roda | — |
| Atiart, level 6 | Ypresiense | Roda | — |
| Avinyó | Eoceno | — | Cataluña |
| Bacamorta (Middle Ilerdian) | Ypresiense | Puebla | — |
| Badostein village, section BA1, Ardanatz Sandstone Fm | Bartoniense | Ilundain Marls | — |
| Bagà-Gréixer | Ypresiense | Armàncies | — |
| Balsareny | Eoceno | — | Cataluña |
| Barranc del Fusteró | MP 10 | — | Cataluña |
| Barranco de la Ventosilla | Oligoceno | — | Castilla y León |
| Barranco de Puch 3 | MP 20 | Villarrosano | Aragón |
| Barranco de Ramals, near La Puebla de Roda (MGSB collection) | Ypresiense | Serraduy | — |
| Barranco de Ramals, near La Puebla de Roda (MPZ collection) | Ypresiense | Serraduy | — |
| Barranco de Torrubia 1A | MP 20 | Villarrosano | Aragón |
| Barranco del Chorrillo 2D | MP 20 | Villarrosano | Aragón |
| Barranco del Chorrillo 5A | MP 19 | Villarrosano | Aragón |
| Barranco del Chorrillo 5B | MP 19 | Villarrosano | Aragón |
| Barranco del Chorrillo 6C | MP 20 | Villarrosano | Aragón |
| Bergasa | Oligoceno superior | — | La Rioja |
| Between Belsué and Lúsera | Bartoniense | Arguis | — |
| Binacua, Bartonian Corals, Belsué-Atarés fm, Pyrenees | Bartoniense | Belsué-Atarés | Aragón |
| Biniamar, Island of Mallorca | Eoceno superior | — | Illes Balears |
| Binissalem, Island of Mallorca | Bartoniense | "Caliza de Peguera" | Illes Balears |
| Cabana del Llúcio-1 | Ypresiense | Corçà | — |
| Cabo Mayor 10 | Thanetiense | Cabo de Lata | Cantabria |
| Cabrerizos | Bartoniense | Cabrerizos | — |
| Caenes | MP 15 | — | Castilla y León |
| Cala d'Egos, Mallorca | Rupeliense | Alaro Calcarenite | — |
| Cala de Santa Maria, Cabrera Island | Bartoniense | S'Envestida Calcarenite | — |
| Cala Piteres section, debrites facies | Oligoceno | Campello-Villajoyosa | — |
| Cala Piteres section, grey to whitish marly beds facies | Oligoceno | Campello-Villajoyosa | — |
| Cala Piteres section, tightly packed conglomerates facies | Oligoceno | Campello-Villajoyosa | — |
| Calders outcrop | Bartoniense | Collsuspina Limestone | — |
| Calders outcrop | Bartoniense | Collsuspina Limestone | — |
| Camarasa | Eoceno | — | Cataluña |
| Campo | Thanetiense | Navarri | Cataluña |