The Rio Piranhas Formation is a Berriasian to Hauterivian geologic formation in Paraíba, Brazil. Fossil ornithopod tracks have been reported from the formation,Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607. in addition to fossils of the somphospondylan sauropod Triunfosaurus leonardii.Areias Farm at Fossilworks.org
Fossil content
Dinosaurs
Sauropods Sauropods of the Rio Piranhas Formation Genus Species Location Stratigraphic position Material Notes Images Titanosauria Indet. Indeterminate Informally known as "Sousatitan" Triunfosaurus 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
Bibliography
Further reading I. S. Carvalho, L. Salgado, R. M. Lindoso, H. I. Araújo-Júnior, F. C. Costa Nogueira and J. A. Soares. 2017. A new basal titanosaur (Dinosauria, Sauropoda) from the Lower Cretaceous of Brazil. Journal of South American Earth Sciences 75:74-84 ANP - Brazil Round 9 - Rio do Peixe Basin