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Marayes - Quebrada del Barro, Caucete Department, San Juan Province, Argentina

GroupMarayes
FormationQuebrada del Barro
Age:228 - 201 Ma
Mesozoic
IntervalNorian
Lithologysandstone/siltstone
Number of Collections2
Number of Occurrences3

Recorded Sample Locations

LocationRegionStratigraphic Name
Corral QuemadosCaucete Department, San Juan Province, ArgentinaMarayes - Quebrada del Barro
Balde de LeyesCaucete Department, San Juan Province, ArgentinaMarayes - Quebrada del Barro

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Marayes201 - 174 Ma
Jurassic
mudstone/siltstone1

Recorded Fossils

Accepted NameHierarchyAge
Sphenotitan leyesi
species
7Animalia : Chordata : Reptilia : Rhynchocephalia : Sphenodontidae : Sphenotitan : Sphenotitan leyesi228 - 201.3 Ma
Mesozoic
Ingentia prima
species
7Animalia : Chordata : Saurischia : Lessemsauridae : Ingentia : Ingentia prima228 - 201.3 Ma
Mesozoic
Sauropodomorpha
unranked clade
99Animalia : Chordata : Saurischia : Sauropodomorpha228 - 208.5 Ma
Late/Upper Triassic

References

Apaldetti C., Martinez R. N., et al (2011) A new basal sauropodomorph (Dinosauria: Saurischia) from Quebrada del Barro Formation (Marayes-El Carrizal Basin), Northwestern Argentina, PLoS ONE 6 11, e26964:1-19 doi:10.1371/journal.pone.0026964
Martinez R. N., Apaldetti C., et al (2013) A new sphenodontian (Lepidosauria: Rhynchocephalia) from the Late Triassic of Argentina and the early origin of the herbivore opisthodontians, Proceedings of the Royal Society B 280 1772, 20132057-1-20132057-7 doi:10.1098/rspb.2013.2057
Apaldetti C., Martínez R. N., et al (2018) An early trend towards gigantism in Triassic sauropodomorph dinosaurs, Nature Ecology & Evolution 2, 1227-1232
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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