Queguay Formation
| Queguay Formation | |
|---|---|
Ma | |
| Type | Geological formation |
| Overlies | Asencio Formation |
| Lithology | |
| Primary | limestone |
| Location | |
| Country | Uruguay |
| Type section | |
| Named for | Queguay River, Uruguay |
The Queguay Formation is a geologic
It consists of a lithological group composed of calcareous, calc-siliceous and siliceous rocks, of pedogenic or subterranean origin. It is formed by white and whitish limestones, massive, sandy and brecciated.
Vertebrate paleofauna
Several fossil gastropods have been found here:
- Bahiensis priscus Cabrera & Martínez, 2012[2]
- Biomphalaria manya Cabrera & Martínez, 2018[3]
- Biomphalaria reversa Cabrera, Martínez & Norbis, 2016[4]
- Bulimulus frenguellii Cabrera et al., 2021[5]
- Eoborus charruanus Frenguelli, 1930[6]
- Pupoides gnocco Cabrera & Martínez, 2017[7]
See also
References
- ^ Stratigraphic profile of the Queguay Formation
- S2CID 128881268.
- .
- ^ Fernanda Cabrera; Sergio Martínez; Walter Norbis (2016). "Recognition of Biomphalaria species (Gastropoda: Planorbidae) using the spiral growth variability, with description of a new fossil species". The Nautilus. 130 (1): 5–12.
- .
- ^ Frenguelli, J. (1930). Apuntes de Geología Uruguaya. Instituto de Geología y Perforaciones.
- ^ Cabrera, Fernanda; Martínez Chiappara, Sergio Agustín (2017). "Pupoides gnocco". Journal of Conchology.
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