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.
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/Geologic_Map_Ca%C3%B1ad%C3%B3n_Asfalto_Basin_and_stratigraphic_column_of_Lefip%C3%A1n_Formation%2C_Patagonia%2C_Argentina.png/200px-Geologic_Map_Ca%C3%B1ad%C3%B3n_Asfalto_Basin_and_stratigraphic_column_of_Lefip%C3%A1n_Formation%2C_Patagonia%2C_Argentina.png)
Geologic map of outcrops of the formation
Fossil content
![](http://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/Geologic_Map_Ca%C3%B1ad%C3%B3n_Asfalto_Basin_and_stratigraphic_column_of_Lefip%C3%A1n_Formation%2C_Patagonia%2C_Argentina.png/200px-Geologic_Map_Ca%C3%B1ad%C3%B3n_Asfalto_Basin_and_stratigraphic_column_of_Lefip%C3%A1n_Formation%2C_Patagonia%2C_Argentina.png)
- Aristonectes parvidens
- Ptychoceratodus sp.
- Flora
See also
References
- ^ Cañadón del Loro at Fossilworks.org