Paso del Sapo Formation
Introduction 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 Geologic map of outcrops of the formation* ''Aristonectes parvidens''* ''Ptychoceratodus'' sp. * Flora
See also * Plesiosaur stratigraphic distribution
References