Goio-Erê Formation
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| Goio-Erê Formation | |
|---|---|
| Stratigraphic range: Aptian-Campanian? ~ | |
| Type | Geological formation |
| Unit of | Caiuá Group (Bauru Basin) |
| Underlies | Alluvium |
| Overlies | Unconformity with Lower Cretaceous rocks |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 23°48′S 53°06′W / 23.8°S 53.1°W |
| Approximate paleocoordinates | 28°54′S 32°42′W / 28.9°S 32.7°W |
| Country | Brazil |
| Extent | Bauru Sub-basin, Paraná Basin |
  Goio-Erê Formation (Brazil) | |
The Goio-Erê Formation is a geological formation in Brazil. It is sometimes thought to be deposited between the Turonian and Campanian stages of the Late Cretaceous,[1] but an Aptian-Albian date has also been proposed.[2][3] It primarily consists of sandstone and was deposited in a desert environment. It is known for its exceptional 3-D preservation of fossils at the Cemitério dos Pterossauros ("Pterosaur Graveyard") Quarry, located in the municipality of Cruzeiro do Oeste.[2][3] Animals recovered from this site include the pterosaurs Keresdrakon, Caiuajara and Torukjara, the dinosaurs Berthasaura and Vespersaurus, and the iguanian lizard Gueragama. A few studies have alternatively assigned the Cemitério dos Pterossauros site to the younger Rio Paraná Formation, however.[4][5]
