| Anahuac Formation(expression, geology, formation, texas) |
| Canoe Formation(expression, geology, formation, texas) |
| Catahoula Formation(expression, geology, formation, texas) |
| Chisos Formation(expression, geology, formation, texas) |
| Claiborne Formation(expression, geology, formation, texas) |
| Cook Mountain Formation(expression, geology, formation, texas) |
| Crockett Formation(expression, geology, formation, texas) |
| Devil's Graveyard Formation(expression, geology, formation, texas) |
| Fayette Sandstone(expression, geology, formation, texas) |
| Hannold Hill Formation(expression, geology, formation, texas) |
| Jackson Formation(expression, geology, formation, texas) |
| Kincaid Formation(expression, geology, formation, texas) |
| Laredo Formation(expression, geology, formation, texas) |
| Midway Formation(expression, geology, formation, texas) |
| Pruett Formation(expression, geology, formation, texas) |
| Reklaw Formation(expression, geology, formation, texas) |
| Rockdale Formation(expression, geology, formation, texas) |
| Sabinetown Bluff Formation(expression, geology, formation, texas) |
| Seguin Formation(expression, geology, formation, texas) |
| Selman Formation(expression, geology, formation, texas) |