| Walnut Clay Stratigraphic range: Cretaceous | |
|---|---|
| Type | Formation |
| Unit of | Fredericksburg Group |
| Location | |
| Region | Texas |
| Country |  United States |
The Walnut Clay is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
| Walnut Clay Stratigraphic range: Cretaceous | |
|---|---|
| Type | Formation |
| Unit of | Fredericksburg Group |
| Location | |
| Region | Texas |
| Country | United States |
The Walnut Clay is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Navarro Group is a geologic group in Arkansas, Texas and Coahuila, Mexico. It preserves fossils dating back to the Cretaceous period.
The Del Rio Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Duck Creek Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Wolfe City Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Pecan Gap Chalk is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Taylor Marl is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Atco Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Benevides Formation is a geologic formation in Texas and Mexico. It preserves fossils dating back to the Cretaceous period.
The Corsicana Marl is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period. It is primarily consisted of clay and mud, while a secondary rock type being sandstone.
The Escondido Formation is a geologic formation in Texas and Coahuila, Mexico. It preserves fossils dating back to the Late Cretaceous period.
The Stuart City Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Walnut Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Grayson Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Kamp Ranch Limestone is a geologic formation in Dallas County, Texas. It preserves fossils dating back to the Cretaceous period. The most notable is Dallasaurus, a squamate that was the first of the aquatic mosasaurs.
The Kemp Clay is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Edwards Group is a geologic group in Texas. It preserves fossils dating back to the Cretaceous period.
The Fredericksburg Group is a geologic group in Texas, United States. It preserves fossils dating back to the Cretaceous period.
The Washita Group is a geologic group in Texas. It preserves fossils dating back to the Cretaceous period.
The Malone Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Tornillo Group is a geologic group in Texas. It contains fossils dating back to the Cretaceous period.
{{cite web}}: |author= has generic name (help)  | This article about a specific stratigraphic formation in Texas is a stub. You can help Wikipedia by expanding it. |
 | This article related to the Cretaceous period is a stub. You can help Wikipedia by expanding it. |