Fray Bentos Formation
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| Fray Bentos Formation | |
|---|---|
| Stratigraphic range: Deseadan ~ | |
| Type | Geological formation |
| Unit of | Paysandú Group |
| Underlies | Raigón Formation |
| Overlies | Asencio Formation |
| Lithology | |
| Primary | sandstone |
| Other | siltstone |
| Location | |
| Country | Uruguay, Argentina |
| Extent | Paraná Basin |
| Type section | |
| Named for | Fray Bentos |
| Named by | Bossi |
| Year defined | 1966 |
  Fray Bentos Formation, Uruguay | |
The Fray Bentos Formation is a Deseadan[1] geologic formation of the Paysandú Group in Uruguay and portions of Argentina,[2] corresponding to the Paraná Basin.[3][4] It is composed of calcareous sandstones and siltstones with a pinkish-orange coloration. It outcrops in southwestern Uruguay (Canelones and Soriano Departments), the central and southeastern part of the province of Corrientes and northeast Entre Ríos.
The following fossils have been reported from the formation:
- Mammals
- Argyrohyrax[5]
- Cephalomyidae[6]
- Eopachyrucos[7][8]
- Fiandraia[9]
- Proborhyaena[9]
- Prohegetotherium schiaffinoi[10]
- Protypotherium[9]
- Scarrittia robusta[11]
- Uruguaytherium beaulieui[12]
- Birds
