Quiricó Formation
The Quiricó Formation is a geological formation of the Areado Group in Minas Gerais, Brazil whose strata date back to the Lower Cretaceous (Early Cretaceous).[1] Many occurrences of fossils are reported in the lacustrine deposits of the Quiricó Formation.
| Quiricó Formation Stratigraphic range: Aptian | |
|---|---|
 Stratigraphic position of the Quiricó Formation in São Francisco Basin | |
| Type | Geological formation |
| Unit of | Areado Group |
| Underlies | Abaeté Formation |
| Overlies | Três Barras Formation |
| Thickness | 60–100 m (200–330 ft) |
| Lithology | |
| Primary | Sandstone, claystone |
| Other | Siltstone, limestone |
| Location | |
| Coordinates | 16.7°S 44.4°W |
| Approximate paleocoordinates | 17.5°S 11.9°W |
| Region |  |
| Country |  |
| Extent | São Francisco Basin |
| Type section | |
| Named for | Quiricó Lake/River |
| Named by | Barbosa |
| Year defined | 1965 |
  Quiricó Formation (Brazil) | |
Fossil content
- Neokotus sanfranciscanus[2]
- Tapuiasaurus macedoi[3]
- Dastilbe moraesi[4]
- Laeliichthys ancentralis[5]
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References
- Sgarbi, 2000
- Souza Bittencourt et al., 2020
- Zaher et al., 2011
- Santos, 1955
- Santos, 1985
Bibliography
- Souza Bittencourt, Jonathas; Tiago Rodrigues Simões; Michael Wayne Caldwell, and Max Cardoso Langer. 2020. Discovery of the oldest South American fossil lizard illustrates the cosmopolitanism of early South American squamates. Communications Biology 3. Article number 201. doi:10.1038/s42003-020-0926-0 PMID 32350412 PMC 7190622
- Zaher, H.; D. Pol; A.B. Carvalho; P.M. Nascimento; C. Riccomini; P. Larson; R. Juarez Valieri; R. Pires-Domingues, and N.J. and Campos, D.A. da Silva. 2011. A Complete Skull of an Early Cretaceous Sauropod and the Evolution of Advanced Titanosaurians. PLoS ONE 6. e16663. doi:10.1371/journal.pone.0016663 PMID 21326881 PMC 3034730 Bibcode: /abstract 2011PLoSO...616663Z
- Sgarbi, G.N.C. 2000. The Cretaceous Sanfranciscan Basin, Eastern Plateau of Brazil. Revista Brasileira de Geociências 30. 450–452. doi:10.25249/0375-7536.2000303450452
- Santos, R.S. 1985. Laeliichthys ancestralis, novo gênero e espécie de Osteoglossiformes do Aptiano da Formação Areado, Estado de Minas Gerais, Brasil. Colet. Trab. Paleontol. Ser. Geol. 27. 161–167.
- Santos, R.S. 1955. Descrição dos peixes fósseis. Bol. Min. Agr. Div. Geol. Mineral., Rio de Janeiro 155. 1–211.
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