Paso del Sapo Formation

Paso del Sapo Formation
Stratigraphic range: Maastrichtian ~70–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Underlies	La Colonia & Lefipán Formations
Overlies	Cerro Barcino Formation
Lithology
Primary	Siltstone
Location
Coordinates	Paso del Sapo Formation (Argentina)

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.

Fossil content

• Aristonectes parvidens^[1]
• Ptychoceratodus sp.
• Flora

See also

• Plesiosaur stratigraphic distribution

References