Rio Piranhas Formation

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

Rio Piranhas Formation
Stratigraphic range: Berriasian-Hauterivian
Type	Geological formation
Unit of	Rio do Peixe Group
Underlies	undefined
Overlies	Sousa Formation
Lithology
Primary	Sandstone
Location
Coordinates	6°42′S 38°30′W / 6.7°S 38.5°W / -6.7; -38.5
Approximate paleocoordinates	4°24′S 5°36′W / 4.4°S 5.6°W / -4.4; -5.6
Region	Paraíba
Country	Brazil
Extent	Triunfo Subbasin, Rio do Peixe Basin
Rio Piranhas Formation (Brazil)

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

Bibliography

• Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2

Further reading

• ANP - Brazil Round 9 - Rio do Peixe Basin