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Atco Formation 
Summary
The Atco Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
| Atco Formation | |
|---|---|
| Stratigraphic range: Cretaceous | |
| Type | Formation |
| Unit of | Austin Formation |
| Location | |
| Region | Texas |
| Country |  United States |
See also edit
References edit
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.