The Cajones Formation is a

Turonian The Turonian is, in the International Commission on Stratigraphy, ICS' geologic timescale, the second age (geology), age in the Late Cretaceous epoch (geology), Epoch, or a stage (stratigraphy), stage in the Upper Cretaceous series (stratigraphy), ...

geologic

formation Formation may refer to: Linguistics * Back-formation, the process of creating a new lexeme by removing or affixes * Word formation, the creation of a new word by adding affixes Mathematics and science * Cave formation or speleothem, a secondary ...

of central Bolivia. The

fluvial A river is a natural stream of fresh water that flows on land or inside caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of its course if it ru ...

sandstone Sandstone is a Clastic rock#Sedimentary clastic rocks, clastic sedimentary rock composed mainly of grain size, sand-sized (0.0625 to 2 mm) silicate mineral, silicate grains, Cementation (geology), cemented together by another mineral. Sand ...

s in

Amboró National Park Amboró National Park in central Bolivia is a nature reserve with over 912 species of birds, over 177 mammalian species including Cougar, puma, ocelot, and the rare spectacled bear. Covering an area of 4,425 km² (1,709 sq mi), it is protecte ...

preserve fossils of '' Yacarerani boliviensis''.Novas et al., 2009, p.1316Amboro National Park
at

Fossilworks Fossilworks was a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database, a large relational database assembled by hundreds of paleontologists from around the world. History Fossilworks was cr ...

.org The formation is correlated with the

Adamantina Formation The Adamantina Formation is a geological Formation (geology), formation in the Bauru Basin of western São Paulo (state), São Paulo state in southeastern Brazil. Its strata date back to the Late Cretaceous epoch of the Cretaceous, Cretaceous Per ...

of the

Paraná Basin The Paraná Basin (, ) is a large cratonic sedimentary basin situated in the central-eastern part of South America. About 75% of its areal distribution occurs in Brazil, from Mato Grosso to Rio Grande do Sul states. The remainder area is distribu ...

in Brazil and the

Bajo de la Carpa Formation The Bajo de la Carpa Formation is a geologic formation of the Neuquén Basin that outcrop, crops out in northern Patagonia, in the provinces of Río Negro Province, Río Negro and Neuquén Province, Neuquén, Argentina. It is the oldest of two for ...

of the

Neuquén Basin Neuquén Basin () is a sedimentary basin covering most of Neuquén Province in Argentina. The basin originated in the Jurassic and developed through alternating continental and marine conditions well into the Tertiary. The basin bounds to the wes ...

Patagonia Patagonia () is a geographical region that includes parts of Argentina and Chile at the southern end of South America. The region includes the southern section of the Andes mountain chain with lakes, fjords, temperate rainforests, and glaciers ...

, Argentina.Novas et al., 2009, p.1319 Yacarerani

References

Bibliography

* {{citation , last1=Novas , first1=F.E. , last2=Pais , first2=D.F. , last3=Pol , first3=D. , last4=Carvalho , first4=I.S. , last5=Scanferla , first5=A. , last6=Mones , first6=A. , last7=Riglos , first7=M.S. , year=2009 , title=Bizarre notosuchian crocodyliform with associated eggs from the Upper Cretaceous of Bolivia , url=https://www.researchgate.net/publication/228614844 , journal=

Journal of Vertebrate Paleontology The ''Journal of Vertebrate Paleontology'' is a bimonthly peer-reviewed scientific journal that was established in 1980 by Jiri Zidek (University of Oklahoma). It covers all aspects of vertebrate paleontology, including vertebrate origins, evolu ...

, volume=29 , issue=4 , pages=1316–1320 , doi=10.1671/039.029.0409 , bibcode=2009JVPal..29.1316N , hdl=11336/54001 , accessdate=2019-03-03 , author1-link=Fernando Novas , hdl-access=free Geologic formations of Bolivia Upper Cretaceous Series of South America Cretaceous Bolivia Turonian Stage Sandstone formations Fluvial deposits Paleontology in Bolivia Geology of Santa Cruz Department (Bolivia)

See also

References

Bibliography