| Group or Formation |
Period |
Notes |
| Abadia Formation | Devonian | |
| Abadia Group/Arauz Formation | Devonian | |
| Abadia Group/Cortes Formation | Devonian | |
| Abadia Group/Polentinos Formation | Devonian | |
| Ablanedo Formation | Carboniferous | |
| Aguion Formation | Devonian | |
| Alaro Calcarenite Formation | Paleogene | |
| Alba Formation | Carboniferous | |
| Alcala Formation | Neogene | |
| Alcolea Formation | Devonian, Silurian | |
| Alconera Formation | Cambrian | |
| Alcorisa Formation | Paleogene | |
| Alcudian Formation | Cambrian | |
| Alfambra Formation | Neogene | |
| Alhambra Formation | Neogene | |
| Almonacid de la Cuba Formation | Jurassic | |
| Altamira Formation | Cretaceous | |
| Alternancia de margas y calizas de Turmiel Formation | Jurassic | |
| Alternating slates, greywackes, and volcanites Formation | Ordovician | |
| Anseroles Formation | Cretaceous | |
| Arcillas de Gibraleón Formation | Neogene | |
| Arcillas de Morella Formation | Cretaceous | |
| Ardanatz Sandstone Formation | Paleogene | |
| Arenas de Huelva Formation | Neogene | |
| Areniscas de Cabrerizos Formation | Paleogene | |
| Areny Sandstone Formation | Cretaceous | |
| Arguis Formation | Paleogene | |
| Armorican Quartzite Formation | Ordovician | |
| Arroyo del Acebron Shales Formation | Ordovician | |
| Artoles Formation | Cretaceous | |
| Arén Formation | Cretaceous | |
| Bachende Formation | Carboniferous | |
| Badenas Formation | Silurian | |
| Balco del Cucut Formation | Cretaceous | |
| Bancs mixtes Formation | Ordovician | |
| Bandera Formation | Devonian | |
| Barahona Formation | Jurassic | |
| Bastida Formation | Cretaceous | |
| Baza Formation | Neogene | |
| Bellmunt Formation | Paleogene | |
| BelsuéFormation | Paleogene | |
| Benassal Formation | Cretaceous | |
| Blesa Formation | Cretaceous | |
| Bolloncillos Formation | Devonian | |
| Borrachon Formation | Ordovician | |
| Brèches rouges de Carboneras Formation | Neogene | |
| Buntsandstein Group/Areniscas y Lutitas del Figaro Formation | Triassic | |
| Bádenas Formation | Silurian | |
| Cabaços Formation | Jurassic | |
| Cabezo Agudo Formation | Devonian | |
| Cabo Cope Formation | Triassic | |
| Cabo de Lata Formation | Paleogene, Cretaceous | |
| Cabuérniga Group/Arcera Formation | Cretaceous | |
| Cal Trumfo Formation | Cretaceous | |
| Calcaires à oncolithes Formation | Jurassic | |
| Calcarenites of Sant Elm Formation | Neogene | |
| Calcaries de Tàrrega Formation | Paleogene | |
| Calcàries Tàrrega Formation | Paleogene | |
| Caliza de Peguera Formation | Paleogene | |
| Calizas de la Heurguina Formation | Cretaceous | |
| Calizus de Lychnus Formation | Cretaceous | |
| Calizas de Oliete Formation | Cretaceous | |
| Calvari Marl Formation | Paleogene | |
| Calymenella Quartzite Formation | Ordovician | |
| Camarena Formation | Jurassic | |
| Camarillas Formation | Cretaceous | |
| Candas Formation | Devonian | |
| Candás Formation | Devonian | |
| Cantera Shale Formation | Ordovician | |
| Capas Rojas Formation | Cretaceous | |
| Carregador de Carreu Formation | Cretaceous | |
| Carrion Group/Cardano Formation | Devonian | |
| Carrion Group/Gustalapiedra Formation | Devonian | |
| Castellar Formation | Cretaceous, Devonian | |
| Castillejo Formation | Ordovician | |
| Castrillo de la Reina Formation | Cretaceous | |
| Cerro del Pez Formation | Jurassic | |
| Chaume Formation | Cretaceous | |
| Coll de Jovell Formation | Cretaceous | |
| Collades de Basturs Formation | Cretaceous | |
| Collbás Formation | Paleogene | |
| Comabella Formation | Devonian | |
| Complejo Basal Transgresivo Formation | Neogene | |
| Congost Formation | Cretaceous | |
| Cremenes Formation | Devonian | |
| Cuber Formation | Jurassic | |
| Cuera Limestone Formation | Carboniferous | |
| Cuevas Formation | Neogene | |
| Cystoid Formation | Ordovician | |
| Cystoid (Ashgill) Limestone Formation | Ordovician | |
| Cystoid Limestone Formation | Ordovician | |
| Córcoles Formation | Neogene | |
| d'Enevrio Formation | Ordovician | |
| Demues Formation | Carboniferous | |
| Dere Formation | Ordovician | |
| Detritic Group/Calcena Lutites and Sandstones Formation | Triassic | |
| Dolomites & Limestones of Cañete Formation | Triassic | |
| Dolomites and Limestones of Cañete (CDL) Formation | Triassic | |
| Dolomías tableadas de Imón Formation | Triassic | |
| Ecija Formation | Neogene | |
| Eguino Formation | Cretaceous | |
| El Bosque Formation | Paleogene | |
| El Castellar Formation | Cretaceous | |
| El Castro Formation | Silurian, Ordovician | |
| El Collado Formation | Cretaceous | |
| El Zadorra Formation | Cretaceous | |
| Encisco Formation | Cretaceous | |
| Enciso Formation | Cretaceous | |
| Enciso Group/Leza Formation | Cretaceous | |
| Entrala Formation | Paleogene | |
| Ermita Formation | Devonian | |
| Escucha Formation | Cretaceous | |
| Esla Formation | Devonian | |
| Eslida Formation | Triassic | |
| Esperanza Formation | Carboniferous | |
| Espiritu Santo Formation | Neogene | |
| Fombuena Formation | Ordovician | |
| Font Bordonera Formation | Cretaceous | |
| Forcall Formation | Cretaceous | |
| G. teretiusculus Group/Neseuretus tristani Shale and Los Rasos Sandstone Formation | Ordovician | |
| Garumn facies Formation | Cretaceous | |
| Gibraltar Limestone | Jurassic | |
| Gijon Formation | Jurassic, Triassic | |
| Golmayo Formation | Cretaceous | |
| Green and Nodular Shales Formation | Ordovician | |
| Guadix Formation | Spain | |
| Guindo Shale Formation | Ordovician | |
| Guindo shales Formation | Ordovician | |
| HerbaFormation | Cretaceous | |
| Higueruelas Formation | Jurassic | |
| HornosFormation | Triassic | |
| Hortezuelos Formation | Cretaceous | |
| Huesa Formation | Devonian | |
| Huérteles Formation | Cretaceous | |
| Igualada Formation | Paleogene | |
| Ilundain Marls Formation | Paleogene | |
| Jarropa Radiolarite Formation | Jurassic | |
| Jijona Formation | Cretaceous | |
| La Bastida Shales Formation | Ordovician | |
| La Cabana Formation | Cretaceous | |
| La Hoya Formation | Devonian | |
| La Huerguina Formation | Cretaceous | |
| La Huérguina Formation | Cretaceous | |
| La Mora Slates Formation | Ordovician | |
| la Pedrera de Rubies Formation | Cretaceous | |
| La Pedrera de Rúbies Formation | Cretaceous | |
| La Tossa Formation | Paleogene | |
| La Venta Formation | Ordovician | |
| La Vid Formation | Devonian | |
| La Vid Formation | Devonian | |
| La VidFormation | Devonian | |
| La Vid Group/basal part Formation | Devonian | |
| La Vid Group/Coladilla Formation | Devonian | |
| La Vid Group/La Pedrosa Formation | Devonian | |
| La Vid Group/middle Formation | Devonian | |
| La Vid Group/middle to upper Formation | Devonian | |
| La Vid Group/top Formation | Devonian | |
| La Vid Group/Tramo inferior Formation | Devonian | |
| La Vid Group/upper part Formation | Devonian | |
| La Vid Group/Valporquero Formation | Devonian | |
| Lancara Formation | Cambrian | |
| Las Llacerias Formation | Carboniferous | |
| Las Penosas Formation | Cretaceous | |
| Lastres Formation | Jurassic | |
| Lebanza Formation | Devonian | |
| Lignites de Traiguera Formation | Cretaceous | |
| Llacova Formation | Cretaceous | |
| Lorente Formation | Jurassic | |
| Lores Limestone Formation | Carboniferous | |
| Los Navalucillos Limestone Formation | Cambrian | |
| Los Villares Formation | Cretaceous, Cambrian | |
| Lower Bone Bed Formation | Neogene | |
| Lower Kellwasser Limestone Formation | Devonian | |
| Luesma Formation | Devonian, Silurian | |
| Lychnus Formation | Cretaceous | |
| Láncara Formation | Cambrian | |
| Marbella Formation | Carboniferous | |
| Margas de Pamplona Formation | Paleogene | |
| Margas y Calizas Margosas de Nidaguila Formation | Cretaceous | |
| Mariposas Formation | Devonian | |
| Mazaterón Formation | Paleogene | |
| Mesones Group/Murero Formation | Cambrian | |
| Mesones Group/Valdemiedes Formation | Cambrian | |
| Micaceous sandstone Formation | Ordovician | |
| Middle Muschelkalk Formation | Triassic | |
| Milanos Formation | Jurassic | |
| Miono Formation | Cretaceous | |
| Mirambel Formation | Cretaceous | |
| Miravetes Formation | Cretaceous | |
| Molino Formation | Devonian | |
| Monforte Formation | Devonian | |
| Moniello Formation | Devonian | |
| MonielloFormation | Devonian | |
| Montagut Formation | Cretaceous | |
| Montesquiu Formation | Cretaceous | |
| Moutonianum Formation | Cretaceous | |
| Moyuela Formation | Devonian | |
| Murero Formation | Cambrian | |
| Murillo Formation | Paleogene | |
| Muschelkalk Formation | Triassic | |
| Najerilla Formation | Cambrian | |
| Navas de Estena Formation | Ordovician | |
| Navas de Estena Shale Formation | Ordovician | |
| Navas de Estena Shale (Neseuretus tristani) Formation | Ordovician | |
| Navatrasierra Shale Formation | Ordovician | |
| Neseuretus tristani Shale Formation | Ordovician | |
| Neseuretus tristani Shale and Los Rasos Sandstone Formation | Ordovician | |
| Nieva Formation | Devonian | |
| Nocedo Formation | Devonian | |
| Nogueras Formation | Devonian | |
| Novaglie Formation | Neogene | |
| Olazagutia Formation | Cretaceous | |
| Olloniego Formation | Carboniferous | |
| Oncala Formation | Jurassic | |
| Oncala Group/Huérteles Formation | Cretaceous | |
| Onnia shales Formation | Ordovician | |
| OssaFormation | Cambrian | |
| Oville Formation | Cambrian | |
| Pamplona Formation | Paleogene | |
| Pedroche Formation | Cambrian | |
| Pedroso Group/Hortigüela Formation | Cretaceous | |
| Pedroso Group/Piedrahita de Muñó Formation | Cretaceous | |
| Pelmatazoan Limestone Formation | Ordovician | |
| Pelmatozoan limestone Formation | Ordovician | |
| Pena Negra Formation | Devonian | |
| Perna Formation | Carboniferous | |
| Picos de Europa Formation | Carboniferous | |
| Pineda Group/Carazo Formation | Devonian | |
| Pineda Group/Lebanz Formation | Devonian | |
| Pinilla de los Moros Formation | Cretaceous | |
| Pizarras Carretera Formation | Ordovician | |
| Pizarras del Rio Formation | Ordovician | |
| Podega Formation | Cretaceous | |
| Portilla Formation | Devonian | |
| Puebla Formation | Paleogene | |
| Puentelles Formation | Carboniferous | |
| Puerto de Mazarron Formation | Neogene | |
| Puerto de Olazagutia Formation | Cretaceous | |
| Pusa Shale Formation | Ediacaran | |
| Quartzites Botella Formation | Ordovician | |
| Quintanaloma Formation | Cretaceous | |
| Ramblar Formation | Devonian | |
| Raneces Group/Caliza de Ferrones Formation | Devonian | |
| Raneces Group/Caliza de Nieva Formation | Devonian | |
| Raneces Group/Capas de Aguion Formation | Devonian | |
| Raneces Group/Capas de Ferrones Formation | Devonian | |
| Raneces Group/Ferrones Formation | Devonian | |
| Raneces Group/upper part Formation | Devonian | |
| Raspay Formation | Cretaceous | |
| Ribadesella Group/Vega Formation | Jurassic | |
| Rio Huso Group/Middle Formation | Cambrian | |
| Rio Palomar Formation | Jurassic | |
| Rio Shale Formation | Ordovician | |
| Roda Formation | Paleogene | |
| Rodanas Formation | Devonian | |
| Rodiles Formation | Jurassic | |
| Roja Inferior Formation | Permian | |
| Rojales Sandstone Formation | Neogene | |
| S'Envestida Calcarenite Formation | Paleogene | |
| Salobral Formation | Devonian | |
| Sama Formation | Carboniferous | |
| San Emiliano Formation | Carboniferous | |
| San Tirso Formation | Carboniferous | |
| Sandy limestone and dark shale Formation | Ordovician | |
| Sant Corneli Formation | Cretaceous | |
| Sant Elm Formation | Neogene | |
| Santa Cruz Formation | Devonian | |
| Santa Lucia Formation | Devonian | |
| Santed Formation | Ordovician | |
| Santibañez del Val Formation | Cretaceous | |
| Schistes Botella Formation | Ordovician | |
| Senyus Formation | Cretaceous | |
| Sierra del Castillo Formation | Carboniferous | |
| Sierra Perenchiza Formation | Cretaceous | |
| Siphonodendron Limestone Formation | Carboniferous | |
| Sobrare Formation | Paleogene | |
| Son Sastre Sandstones and Lutites Formation | Paleogene | |
| Son Serralta Formation | Triassic | |
| Sot de Chera Formation | Jurassic | |
| Suertes Group/Las ArroyacasFormation | Silurian | |
| Suertes Group/Robledo Formation | Silurian | |
| Sueve Shale Formation | Ordovician | |
| Tariquide Formation | Triassic | |
| Tera Group/Magaña Formation | Jurassic | |
| Tera Group/Piedrahita de Muñó Formation | Cretaceous | |
| Tera Group/Pinilla de los Moros Formation | Cretaceous | |
| Terenes Formation | Jurassic | |
| Tereñes Marl Formation | Jurassic | |
| Texanitid Marls Formation | Cretaceous | |
| Tierra de Lara Group/Rupelo Formation | Cretaceous | |
| Tollo Formation | Cretaceous | |
| Torrella Formation | Cretaceous | |
| Torreáboles Formation | Cambrian | |
| Tossa Formation | Paleogene | |
| Tremp Formation | Cretaceous | |
| Tremp Formation | Cretaceous | |
| Tremp Formation | Paleogene, Cretaceous | |
| Tremp Group/Conques Formation | Cretaceous | |
| Tremp Group/La Posa Formation | Cretaceous | |
| Tudela Formation | Neogene | |
| Turia Group/Chelva Formation | Jurassic | |
| Turia Group/Sot de Chera Formation | Jurassic | |
| Turmiel Formation | Jurassic | |
| Ullaga Formation | Cretaceous | |
| Upper Bedoulian Formation | Cretaceous | |
| Upper Muschelkalk Group/Dolomite Formation | Triassic | |
| UrbasaFormation | Paleogene | |
| Urbion Group/Pinilla de los Moros Formation | Cretaceous | |
| Urbión Formation | Cretaceous | |
| Urbión Group/Larriba Formation | Cretaceous | |
| Urbión Group/Leza Formation | Cretaceous | |
| Urbión Group/Pinilla de los Moros Formation | Cretaceous | |
| Utrillas Formation | Cretaceous | |
| Valdeganga Formation | Neogene | |
| Valdemorillo Shale Formation | Ordovician | |
| Valdeteja Formation | Carboniferous | |
| Vallcarga Formation | Cretaceous | |
| Valle Shale Formation | Ordovician | |
| Vega Formation | Jurassic | |
| Vega de Pas Formation | Cretaceous | |
| Vegamian Formation | Carboniferous | |
| Venta del MoroFormation | Neogene | |
| Vergano Formation | Carboniferous | |
| Vergaño Formation | Carboniferous | |
| Vic Marls Formation | Paleogene | |
| Vila Vella Formation | Cretaceous | |
| Villalba de la Sierra Formation | Cretaceous | |
| Villanueva de Huerva Formation | Cretaceous | |
| Villar del Arzobispo Formation | Cretaceous, Jurassic | |
| Villaro Formation | Cretaceous | |
| Villarrosano Formation | Paleogene | |
| Villarroya Formation | Cretaceous | |
| Villarroya de los Pinares Formation | Cretaceous | |
| Villaviciosa beds Formation | Permian | |
| Villaviciosa Group/Rodiles Formation | Jurassic | |
| Vitoria Formation | Cretaceous | |
| Xert Formation | Cretaceous | |
| Yatova Formation | Jurassic | |
| Zegri Formation | Jurassic | |
| Zegrí Formation | Jurassic | |
| Ágreda Formation | Jurassic | |
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