El Picacho Formation
Geologic formation in Texas, United States From Wikipedia, the free encyclopedia
The El Picacho Formation is a geological formation in Texas, United States, whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[1] The paleosols found here are rich in clay, calcite, and rhizoliths which show that during the Cretaceous period, this fossil formation, just like the neighboring Javelina Formation and Aguja Formation, was a fluvial flood plain.[2]
| El Picacho Formation | |
|---|---|
| Stratigraphic range: Maastrichtian, | |
| Type | Geological formation |
| Location | |
| Region | North America |
Vertebrate paleofauna
- Alamosaurus sanjuanensis?[3]
- Chasmosaurinae indeterminate.[4]
- Gryposaurus sp. (possibly Kritosaurus)[5]
- Kritosaurus navajovius[6]
- Nodosauridae indeterminate.[7]
- Tyrannosauridae indeterminate.[8]
- Ornithomimidae indeterminate.[9]
See also
References
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