# 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 |
| 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 | Quaternary |
| 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 |