| Huerfano Formation | |
|---|---|
| Stratigraphic range: Paleogene | |
_(Huerfano_Formation,_Lower_Eocene;_Huerfano_Basin,_Colorado,_USA)_2_(31658760084).jpg) Hyracotherium vasacciense (fossil horse) from the Huerfano Formation, Lower Eocene | |
| Type | Formation |
| Location | |
| Region | Colorado |
| Country | United States |
The Huerfano Formation is a geologic formation in Colorado. It preserves fossils dating back to the Paleogene period.