 | It has been suggested that this article be merged into Coli Toro Formation . ( Discuss ) Proposed since October 2025. |
| Coli Toro Member | |
|---|---|
| Stratigraphic range: Campanian | |
| Type | Member |
| Unit of | Los Alamitos Formation |
| Overlies | Angostura Colorada Formation |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 41°00′S69°30′W / 41.0°S 69.5°W |
| Approximate paleocoordinates | 43°36′S55°24′W / 43.6°S 55.4°W |
| Region | Río Negro Province |
| Country | Argentina |
| Extent | Neuquén Basin |
  Coli Toro Member (Argentina) | |
The Coli Toro Member is a Campanian geologic member in Argentina. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus. [1] The sandstones of the formation were deposited in a lacustrine environment.
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The formation in later publications has been reassigned as the Coli Toro Member at the basal levels of the Los Alamitos Formation, containing fossil remains of Sulcusuchus erraini . [2] The formation partly overlies the Angostura Colorada Formation. [3]
