Paso del Sapo Formation
The Paso del Sapo Formation is a Maastrichtian geologic formation of the Cañadón Asfalto Basin in Argentina. The siltstones of the formation were deposited in a lacustrine environment. Plesiosaur remains are among the fossils that have been recovered from its strata.
| Paso del Sapo Formation Stratigraphic range: Maastrichtian ~70–66 Ma | |
|---|---|
| Type | Geological formation |
| Underlies | La Colonia & Lefipán Formations |
| Overlies | Cerro Barcino Formation |
| Lithology | |
| Primary | Siltstone |
| Location | |
| Coordinates | 42.7°S 70.0°W |
| Approximate paleocoordinates | 44.9°S 58.5°W |
| Region |  |
| Country |  |
| Extent | Cañadón Asfalto Basin |
| Type section | |
| Named for | Paso del Sapo |
  Paso del Sapo Formation (Argentina) | |
Fossil content
Geologic map of outcrops of the formation
- Aristonectes parvidens[1]
- Ptychoceratodus sp.
- Flora
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References
- Cañadón del Loro at Fossilworks.org
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