| La Casita Formation | |
|---|---|
| Stratigraphic range: | |
| | |
| Type | Formation |
| Underlies | Taraises Formation |
| Overlies | Zuloaga Formation |
| Thickness | Around 60 metres |
| Lithology | |
| Primary | Siltstone |
| Other | Shale |
| Location | |
| Country | Mexico |
The La Casita Formation is a geologic formation in Mexico. It preserves fossils dating back to the Kimmeridgian to lowermost Berriasian. [1] [2] It is laterally equivalent to the La Caja Formation [3] and the Pimienta Formation. The ichthyosaurs Jabalisaurus [4] and Acuetzpalin are known from the formation, [5] as well as the metriorhynchid Dakosaurus [6] and indeterminate pliosaurs. [7]
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