Earth:Rio Piranhas Formation

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Rio Piranhas Formation
Stratigraphic range: Berriasian-Hauterivian
TypeGeological formation
Unit ofRio do Peixe Group
Underliesundefined
OverliesSousa Formation
Lithology
PrimarySandstone
Location
Coordinates [ ⚑ ] : 6°42′S 38°30′W / 6.7°S 38.5°W / -6.7; -38.5
Paleocoordinates [ ⚑ ] 4°24′S 5°36′W / 4.4°S 5.6°W / -4.4; -5.6
RegionParaíba
CountryBrazil
ExtentTriunfo Subbasin, Rio do Peixe Basin
Rio Piranhas Formation is located in Brazil
Rio Piranhas Formation
Rio Piranhas Formation (Brazil)

The Rio Piranhas Formation is a Berriasian to Hauterivian geologic formation in Paraíba, Brazil. Fossil ornithopod tracks have been reported from the formation,[1] in addition to fossils of the somphospondylan sauropod Triunfosaurus leonardii.[2]

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.

Dinosaurs

Sauropods

Sauropods of the Rio Piranhas Formation
Genus Species Location Stratigraphic position Material Notes Images
Titanosauria Indet. Indeterminate Informally known as "Sousatitan"
Triunfosaurus[3] T. leonardii Triunfo Basin Berriasian to Valanginian Three Insolate Chevrons, Three Insolate Neural Spines & Right ischium A somphospondylian sauropod

See also

  • List of dinosaur-bearing rock formations
    • List of stratigraphic units with ornithischian tracks
      • Ornithopod tracks

References

  1. Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
  2. Areias Farm at Fossilworks.org
  3. Ismar de Souza Carvalho; Leonardo Salgado; Rafael Matos Lindoso; Hermínio Ismael de Araújo-Júnior; Francisco Cézar Costa Nogueira; José Agnelo Soares (2017). "A new basal titanosaur (Dinosauria, Sauropoda) from the Lower Cretaceous of Brazil". Journal of South American Earth Sciences 75: 74–84. doi:10.1016/j.jsames.2017.01.010. Bibcode2017JSAES..75...74C. https://www.igeo.ufrj.br/ismar/3/3_59.pdf. Retrieved 2018-06-14. 

Bibliography

Further reading