The Quiricó Formation is a

geological formation A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics (lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock expo ...

of the Areado Group in

Minas Gerais Minas Gerais () is one of the 27 federative units of Brazil, being the fourth largest state by area and the second largest in number of inhabitants with a population of 20,539,989 according to the 2022 Brazilian census, 2022 census. Located in ...

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

whose strata date back to the

Early Cretaceous The Early Cretaceous (geochronology, geochronological name) or the Lower Cretaceous (chronostratigraphy, chronostratigraphic name) is the earlier or lower of the two major divisions of the Cretaceous. It is usually considered to stretch from 143.1 ...

(

Aptian The Aptian is an age (geology), age in the geologic timescale or a stage (stratigraphy), stage in the stratigraphic column. It is a subdivision of the Early Cretaceous, Early or Lower Cretaceous epoch (geology), Epoch or series (stratigraphy), S ...

).Sgarbi, 2000 Many occurrences of fossils are reported in the lacustrine deposits of the Quiricó Formation.

Fossil content

Dinosaurs

Sauropods

Theropoda

Crocodylomorphs

Squamates

Crustacean

Fish

References

Bibliography

* * * * * * * * {{DEFAULTSORT:Quirico Formation Geologic formations of Brazil Lower Cretaceous Series of South America Cretaceous Brazil Aptian Stage Sandstone formations Shale formations Lacustrine deposits Fossiliferous stratigraphic units of South America Paleontology in Brazil Formations