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Quiricó Formation

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Geological formation in Brazil
Quiricó Formation
Stratigraphic range: Aptian, ~125 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Stratigraphic position of the Quiricó Formation in São Francisco Basin
TypeGeological formation
Unit ofAreado Group
UnderliesAbaeté Formation
OverliesTrês Barras Formation
Thickness60–100 m (200–330 ft)
Lithology
PrimarySandstone, claystone
OtherSiltstone, limestone
Location
Coordinates16°42′S 44°24′W / 16.7°S 44.4°W / -16.7; -44.4
Approximate paleocoordinates17°30′S 11°54′W / 17.5°S 11.9°W / -17.5; -11.9
Region Minas Gerais
Country Brazil
ExtentSão Francisco Basin
Type section
Named forQuiricó Lake/River
Named byBarbosa
Year defined1965
Quiricó Formation is located in BrazilQuiricó FormationQuiricó Formation (Brazil)

The Quiricó Formation is a geological formation of the Areado Group in Minas Gerais, Brazil whose strata date back to the Early Cretaceous (Aptian). Many occurrences of fossils are reported in the lacustrine deposits of the Quiricó Formation.

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 Quiricó Formation
Genus Species Location Stratigraphic position Material Notes Images
Rebbachisauridae indet. Indeterminate
Tapuiasaurus T. macedoi A titanosaurian sauropod.

Theropoda

Theropods of the Quiricó Formation
Genus Species Location Stratigraphic position Material Notes Images
Abelisauridae indet. Indeterminate
Carcharodontosauridae indet. Indeterminate
Spectrovenator S. ragei An abelisaurid theropod.

Squamates

Squamates of the Quiricó Formation
Genus Species Location Stratigraphic position Material Notes Images
Cryptobicuspidon C. pachysymphysealis A polyglyphanodontid lizard.
Neokotus N. sanfranciscanus A paramacellodid lizard.

Crustacean

Crustacean of the Quiricó Formation
Genus Species Location Stratigraphic position Material Notes Images
Alicenula A. longiformis A ostracod.
Penthesilenula P. pintoi A ostracod.
Platyestheria P. abaetensis A clam shrimp.
Timiriasevia T. sanfranciscanensis A ostracod.

Fish

Fishes of the Quiricó Formation
Genus Species Location Stratigraphic position Material Notes Images
Francischanos F. moraesi A chanid fish.
Laeliichthys L. ancentralis An osteoglossomorph fish.
Hybodontiformes Indet. Indeterminate
Mawsonia M. sp. A mawsoniid coelacanth.
Tribodus T. sp. A hybodont shark.

References

  1. ^ Carvalho & Santucci, 2024
  2. Sgarbi, 2000
  3. ^ Carvalho and Santucci, 2018
  4. Hussam Zaher; Diego Pol; Alberto B. Carvalho; Paulo M. Nascimento; Claudio Riccomini; Peter Larson; Rubén Juarez-Valieri; Ricardo Pires-Domingues; Nelson Jorge da Silva Jr.; Diógenes de Almeida Campos (2011). Sereno, Paul (ed.). "A Complete Skull of an Early Cretaceous Sauropod and the Evolution of Advanced Titanosaurians". PLOS ONE. 6 (2): e16663. Bibcode:2011PLoSO...616663Z. doi:10.1371/journal.pone.0016663. PMC 3034730. PMID 21326881.
  5. Hussam Zaher; Diego Pol; Bruno Albert Navarro; Rafael Delcourt; Alberto Barbosa Carvalho (2020). "An Early Cretaceous theropod dinosaur from Brazil sheds light on the cranial evolution of the Abelisauridae". Comptes Rendus Palevol. 19 (6): 101–115. doi:10.5852/cr-palevol2020v19a6. hdl:11336/153682. S2CID 225149330.
  6. Carvalho, J. C.; Santucci, R. M. (2023). "A new fossil Squamata from the Quiricó Formation (Lower Cretaceous), Sanfranciscana Basin, Minas Gerais, Brazil". Cretaceous Research. 154. 105717. doi:10.1016/j.cretres.2023.105717. S2CID 264138153.
  7. Jonathas Souza Bittencourt; Tiago Rodrigues Simões; Michael Wayne Caldwell; Max Cardoso Langer (2020). "Discovery of the oldest South American fossil lizard illustrates the cosmopolitanism of early South American squamates". Communications Biology. 3 (1): Article number 201. doi:10.1038/s42003-020-0926-0. PMC 7190622. PMID 32350412.
  8. ^ Amanda Moreira Leite; Dermeval Aparecido Do Carmo; Caio Bussaglia Ress; Murilo Pessoa; Guilherme Miranda Caixeta; Matheus Denezine; Rodrigo Rodrigues Adorno; Lucas Silveira Antonietto (2018). "Taxonomy of limnic Ostracoda (Crustacea) from the Quiricó Formation, Lower Cretaceous, São Francisco basin, Minas Gerais State, Southeast Brazil". Journal of Paleontology. 92 (4): 661–680. Bibcode:2018JPal...92..661L. doi:10.1017/jpa.2018.1. S2CID 135458331.
  9. Jonathas S. Bittencourt; Rosemarie Rohn; Oscar F. Gallego; Mateo D. Monferran; Alexandre Uhlein (2018). "The morphology and systematics of the clam shrimp Platyestheria gen. nov. abaetensis (Cardoso) (Crustacea, Spinicaudata) from the Lower Cretaceous of the Sanfranciscana Basin, southeast Brazil". Cretaceous Research. 91: 274–286. Bibcode:2018CrRes..91..274B. doi:10.1016/j.cretres.2018.06.016. hdl:11449/176586. S2CID 133928377.
  10. Santos, 1955
  11. Ribeiro, A. C.; Bockmann, F. A.; Poyato-Ariza, F. J. (2022). "Francischanos, a replacement genus for Dastilbe moraesi Silva-Santos, 1955, from the Quiricó Formation, Lower Cretaceous of the Sanfranciscana basin, Brazil (Ostariophysi: Gonorynchiformes)". Cretaceous Research. 135: Article 105212. Bibcode:2022CrRes.13505212R. doi:10.1016/j.cretres.2022.105212. S2CID 247531742.
  12. Santos, 1985

Bibliography

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