title: List of fossiliferous stratigraphic units in Mexico
text: # List of fossiliferous stratigraphic units in Mexico
  
  This is a list of stratigraphic units (groups, formations and members), containing fossils and pertaining to the North American country of Mexico.
  
  ## List
  
  | Group or Formation | Period |
  | - | - |
  | Abanico Brisa Mar Formation | Neogene |
  | Adjuntas Formation | Paleogene |
  | Agua Nueva Formation | Cretaceous |
  | Agueguexquite Formation | Neogene |
  | Aguililla Sandstone | Cretaceous |
  | Aguja Formation | Cretaceous |
  | Aguja Group/Javelina Formation | Cretaceous |
  | Alazán Formation | Paleogene |
  | Albertella Formation | Cambrian |
  | Alisitos Formation | Cretaceous |
  | Almejas Formation | Neogene |
  | Angostura Formation | Cretaceous |
  | Anidanthus zone Formation | Permian |
  | Antimonio Formation | Jurassic, Triassic, Permian |
  | Atotonilco El Grande Formation | Neogene |
  | Aurora Limestone | Cretaceous |
  | Austin Formation | Cretaceous |
  | Balumtum Sandstone | Neogene |
  | Barranca Group/Santa Clara Formation | Triassic |
  | Barril Viejo Formation | Cretaceous |
  | Bateque Formation | Paleogene |
  | Benevides Formation | Cretaceous |
  | Bisbee Formation | Cretaceous |
  | Bisbee Group/Cerro de Oro Formation | Cretaceous |
  | Bisbee Group/Mural Limestone | Cretaceous |
  | Bisbee Group/Nogal Formation | Cretaceous |
  | Boca Roja Formation | Cretaceous |
  | Bonnia Formation | Cambrian |
  | Boquillas Formation | Cretaceous |
  | Buda Limestone | Cretaceous |
  | Buelna Formation | Cambrian |
  | Cabonera Formation | Cretaceous |
  | Cabullona Group/Corral de Enmedio Formation | Cretaceous |
  | Cabullona Group/Lomas Coloradas Formation | Cretaceous |
  | Cañón de Caballeros Formation | Silurian |
  | Cantaure Formation | Neogene |
  | Carbonera Formation | Cretaceous |
  | Cárdenas Formation | Cretaceous |
  | Carrillo Puerto Formation | Neogene |
  | Cerro del Pueblo Formation | Cretaceous |
  | Chapala shorelake Beds Formation | Mexico |
  | Chinameca Formation | Jurassic |
  | Chuta Formation | Cretaceous |
  | Cipiapa Formation | Cretaceous |
  | Claiborne Group/Carrizo Sand Formation | Paleogene |
  | Claiborne Group/Laredo Formation | Paleogene |
  | Claiborne Group/Mount Selman Formation | Paleogene |
  | Claiborne Group/Yegua Formation | Paleogene |
  | Clansayes Formation | Cretaceous |
  | Clemente Formation | Ediacaran |
  | Coahuila Formation | Cretaceous |
  | Coatepec Sandstone | Jurassic |
  | Coatzacoalcos Formation | Neogene |
  | Colina Formation | Permian |
  | Concepción Formation | Neogene |
  | Cualac Conglomerate | Jurassic |
  | Cook Mountain Formation | Paleogene |
  | Cuesta del Carbonera Formation | Cretaceous |
  | Cumburindio Formation | Cretaceous |
  | Cúpido Formation | Cretaceous |
  | Cutzamala Formation | Cretaceous |
  | Del Río Formation | Cretaceous |
  | Del Río Clay | Cretaceous |
  | Difunta Formation | Cretaceous |
  | Difunta Group/Adjuntas Formation | Paleogene |
  | Difunta Group/Cerro del Pueblo Formation | Cretaceous |
  | Difunta Group/Las Encinas Formation | Paleogene |
  | Difunta Group/Olmos Formation | Cretaceous |
  | Difunta Group/Potrerillos Formation | Paleogene |
  | Difunta Group/Rancho Nuevo Formation | Paleogene, Cretaceous |
  | Difunta Group/Tanque Formation | Cretaceous |
  | Discovery Point Formation | Mexico |
  | El Abra Formation | Cretaceous |
  | El Bosque Formation | Paleogene |
  | El Cajón Formation | Cretaceous |
  | El Camarón Formation | Neogene |
  | El Cien Formation | Paleogene |
  | El Doctor Formation | Cretaceous |
  | El Gallo Formation | Cretaceous |
  | Encanto Formation | Neogene |
  | Encino Formation | Cretaceous |
  | Escondido Formation | Cretaceous |
  | Espinazo del Diablo Formation | Cretaceous |
  | Fallotaspis Group/Puerto Blanco Formation | Cambrian |
  | Ferrotepec Formation | Neogene |
  | Filisolo Formation | Neogene |
  | Gamuza Formation | Ediacaran |
  | Georgetown Formation | Cretaceous |
  | Goleta Formation | Mexico |
  | Guacamaya Formation | Permian |
  | Guajalote Formation | Neogene |
  | Guanjuato Conglomerate | Paleogene |
  | Huasteca Formation | Paleogene |
  | Huayacocotla Formation | Jurassic |
  | Huizachal Formation | Triassic |
  | Indidura Formation | Cretaceous |
  | Infierno Formation | Neogene |
  | Isidro Formation | Neogene |
  | Ixaltepec Formation | Carboniferous |
  | Jackson Formation | Paleogene |
  | Javelina Formation | Cretaceous |
  | Jebel Qatrani Formation | Neogene |
  | Juchipila Formation | Neogene |
  | La Boca Formation | Jurassic |
  | La Bocana Roja Formation | Cretaceous |
  | La Caja Formation | Jurassic |
  | La Casita Formation | Jurassic |
  | La Ciénega Formation | Cambrian, Ediacaran |
  | La Colorada Formation | Permian |
  | La Difunta Formation | Permian |
  | La Esperanza Group/Ixtaclum Shale | Paleogene |
  | La Esperanza Group/San Juan Formation | Paleogene |
  | La Joya Formation | Carboniferous |
  | La Péna Formation | Cretaceous |
  | La Quinta Formation | Paleogene |
  | Las Sardinas Formation | Permian |
  | Las Tetas de Cabra Formation | Paleogene |
  | Mal Paso Formation | Cretaceous |
  | Matatlán Formation | Neogene |
  | Mazantic Shale | Neogene |
  | Méndez Formation | Cretaceous |
  | Méndez Shale | Cretaceous |
  | Mesón Formation | Paleogene |
  | Mexcala Formation | Cretaceous |
  | Midway Formation | Paleogene |
  | Modelo Group/Rio Lajas Limestone | Neogene |
  | Modelo Group/Santa Ana Formation | Early Miocene |
  | Monos Formation | Permian |
  | Mulege Formation | Mexico |
  | Mural Formation | Cretaceous |
  | Mural Limestone | Cretaceous |
  | Nevadella Group/Puerto Blanco Formation | Cambrian |
  | Oakville Sandstone | Neogene |
  | Ocozocoautla Formation | Cretaceous |
  | Ojinaga Formation | Cretaceous |
  | Olinala Formation | Permian |
  | Olmos Formation | Cretaceous |
  | Palo Quemado Formation | Permian |
  | Papalote Formation | Ediacaran |
  | Paraje Solo Formation | Neogene |
  | Patlanoaya Formation | Permian |
  | Patlanoaya Beds Formation | Carboniferous |
  | Pen Formation | Cretaceous |
  | Pie de Vaca Formation | Paleogene |
  | Pimienta Formation | Jurassic |
  | Plomosas Formation | Permian |
  | Pochote Formation | Cretaceous |
  | Preitos Formation | Paleogene |
  | Puerto Blanco Formation | Cambrian |
  | Rancho Viejo Beds Formation | Neogene |
  | Represo Formation | Carboniferous |
  | Río Concepción Group/Balumtun Sandstone | Neogene |
  | Río Sabinal Group/Lecheria Limestone | Paleogene |
  | Rosario Formation | Jurassic/Cretaceous |
  | Rosarito Beach Formation | Neogene |
  | Salada Formation | Neogene |
  | San Diego Formation | Neogene |
  | San Felipe Formation | Cretaceous |
  | San Gregorio Formation | Paleogene |
  | San Hipolito Formation | Jurassic, Triassic |
  | San José de Gracia Formation | Cambrian |
  | San Juan Formation | Paleogene |
  | San Juan Raya Formation | Cretaceous |
  | San Lucas Formation | Cretaceous |
  | San Marcos Formation | Neogene |
  | San Rafael Formation | Paleogene |
  | San Ricardo Formation | Jurassic |
  | Santiago Formation | Carboniferous |
  | Sepultura Formation | Paleogene |
  | Sierra de Santa Rosa Formation | Jurassic |
  | Sierra Madre Formation | Cretaceous |
  | Simojovel Formation | Paleogene |
  | Simojovel Group/La Quinta Formation | Neogene, Paleogene |
  | Simojovel Group/Mazantic Shale | Neogene |
  | Simojovel Group/Rancho Berlin Sandstone | Paleogene |
  | Simón Formation | Jurassic |
  | Soledad Formation | Cretaceous |
  | Suchilquitongo Formation | Neogene |
  | Taberna Formation | Jurassic |
  | Tacubaya Formation | Mexico |
  | Taman Formation | Jurassic |
  | Taraises Formation | Cretaceous |
  | Taylor Marl | Cretaceous |
  | Tecocoyunca Formation | Jurassic |
  | Tecocoyunca Group/Cualac Conglomerate | Jurassic |
  | Tecocoyunco Group/Zorrillo Formation | Jurassic |
  | Tecomazuchil Formation | Jurassic |
  | Temazcal Limestone | Cretaceous |
  | Tepate Formation | Paleogene |
  | Tepetate Formation | Paleogene |
  | Tinu Formation | Ordovician, Cambrian |
  | Tirabuzon Formation | Neogene |
  | Tlayúa Formation | Cretaceous |
  | Tortugas Formation | Neogene |
  | Tuxpan Formation | Neogene |
  | Tuzancoa Formation | Permian |
  | Upper Becerra Formation | Mexico |
  | Venada Formation | Carboniferous |
  | Vicente Guerrero Formation | Carboniferous |
  | Wilcox Group/Indio Formation | Paleogene |
  | Ysidro Formation | Neogene |
  | Yucunama Formation | Cretaceous |
  | Zapotitlan Formation | Cretaceous |
  | Zorrillo Formation | Jurassic |
  | Zuluzum Formation | Neogene |
  