Rio Piranhas Formation

Rio Piranhas Formation
Stratigraphic range: Berriasian-Hauterivian
TypeGeological formation
Unit ofRio do Peixe Group
Underliesundefined
OverliesSousa Formation
Lithology
PrimarySandstone
Location
Coordinates6°42′S 38°30′W / 6.7°S 38.5°W / -6.7; -38.5
Approximate paleocoordinates4°24′S 5°36′W / 4.4°S 5.6°W / -4.4; -5.6
RegionParaíba
Country Brazil
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
Triunfosaurus[3] T. leonardii Triunfo Basin Berriasian to Valanginian Three Insolate Chevrons, Three Insolate Neural Spines & Right ischium A somphospondylian sauropod

See also

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" (PDF). Journal of South American Earth Sciences. 75: 74–84. Bibcode:2017JSAES..75...74C. doi:10.1016/j.jsames.2017.01.010. hdl:11336/77769. Archived from the original (PDF) on 2018-06-15. Retrieved 2018-06-14.

Bibliography

Further reading