| Adjuntas Formation(expression, geohistory, unit, mexico, paleontology) |
| Alazan Formation(expression, geohistory, unit, mexico, paleontology) |
| Bateque Formation(expression, geohistory, unit, mexico, paleontology) |
| Carrizo Sand(expression, geohistory, unit, mexico, paleontology) |
| El Bosque Formation(expression, geohistory, unit, mexico, paleontology) |
| El Cien Formation(expression, geohistory, unit, mexico, paleontology) |
| Guanjuato Conglomerate(expression, geohistory, unit, mexico, paleontology) |
| Huasteca Formation(expression, geohistory, unit, mexico, paleontology) |
| Indio Formation(expression, geohistory, unit, mexico, paleontology) |
| Ixtaclum Shale(expression, geohistory, unit, mexico, paleontology) |
| La Esperanza Group(expression, geohistory, unit, mexico, paleontology) |
| Laramide orogeny(expression, geohistory, unit, mexico, paleontology) |
| Las Encinas Formation(expression, geohistory, unit, mexico, paleontology) |
| Las Tetas de Cabra Formation(expression, geohistory, unit, mexico, paleontology) |
| Lecheria Limestone(expression, geohistory, unit, mexico, paleontology) |
| Meson Formation(expression, geohistory, unit, mexico, paleontology) |
| Mexican amber(expression, geohistory, unit, mexico, paleontology) |
| Mount Selman Formation(expression, geohistory, unit, mexico, paleontology) |
| Otay Formation(expression, geohistory, unit, mexico, paleontology) |
| Pie de Vaca Formation(expression, geohistory, unit, mexico, paleontology) |