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Rio Piranhas Formation

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Coordinates: 6°42′S 38°30′W / 6.7°S 38.5°W / -6.7; -38.5
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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] Also fossils of Triunfosaurus leonardii have been found in the formation.[2]

Fossil content

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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

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Sauropods

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Sauropods of the Rio Piranhas Formation
Genus Species Location Stratigraphic position Material Notes Images
Dicraeosauridae Indet. Indeterminate
Titanosauria Indet. Indeterminate
Triunfosaurus[3] T. leonardii A somphospondylan sauropod

Theropods

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Theropods of the Rio Piranhas Formation
Genus Species Location Stratigraphic position Material Notes Images
Abelisauridae Indet. Indeterminate
Baryonychinae Indet. Indeterminate
Carcharodontosauridae Indet. Indeterminate

Ornithopods

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Ornithopods of the Rio Piranhas Formation
Genus Species Location Stratigraphic position Material Notes Images
Polacanthinae Indet. Indeterminate
Rhabdodontomorpha Indet. Indeterminate

Pterosaurs

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Pterosaurs of the Rio Piranhas Formation
Genus Species Location Stratigraphic position Material Notes Images
Anhangueridae Indeterminate

Crocodylomorphs

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Crocodylomorphs of the Rio Piranhas Formation
Genus Species Location Stratigraphic position Material Notes Images
Crocodylomorpha Indet. Indeterminate

Turtles

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Turtles of the Rio Piranhas Formation
Genus Species Location Stratigraphic position Material Notes Images

Fish

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Fishes of the Rio Piranhas Formation
Genus Species Location Stratigraphic position Material Notes Images

Molluscs

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Bivalves

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Bivalves of the Rio Piranhas Formation
Genus Species Location Stratigraphic position Material Notes Images

Brachiopods

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Brachiopods of the Rio Piranhas Formation
Genus Species Location Stratigraphic position Material Notes Images

Gastropods

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Gastropods of the Rio Piranhas Formation
Genus Species Location Stratigraphic position Material Notes Images

See also

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References

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  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

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Further reading

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