La Casita Formation | |
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Stratigraphic range: | |
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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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