Paso del Sapo Formation

Paso del Sapo Formation
Stratigraphic range: Maastrichtian
~70–66 Ma
↓
TypeGeological formation
UnderliesLa Colonia & Lefipán Formations
OverliesCerro Barcino Formation
Lithology
PrimarySiltstone
Location
Coordinates42°42′S 70°00′W / 42.7°S 70.0°W / -42.7; -70.0
Approximate paleocoordinates44°54′S 58°30′W / 44.9°S 58.5°W / -44.9; -58.5
RegionChubut Province
CountryArgentina
ExtentCañadón Asfalto Basin
Type section
Named forPaso del Sapo
Paso del Sapo Formation is located in Argentina
Paso del Sapo Formation
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

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Plesiosaurs

Plesiosaurs of the Paso del Sapo Formation
Genus Species Location Stratigraphic position Material Notes Images
Aristonectes A. parvidens A aristonectine elasmosaurid

Fish

Fishes of the Paso del Sapo Formation
Genus Species Location Stratigraphic position Material Notes Images
Ptychoceratodus P. sp. A ptychoceratodontid lungfish

See also

References

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