Pepe Herrera 4 million years ago, the region of Santa María Amajac, located in the municipality of Atotonilco el Grande, in the state of Hidalgo, Mexico, was occupied by an old lake system of approximately 85 km2. This system would have been formed by the temporary interruption of the Amajac River. In this area there were plants, insects, diatoms, algae and freshwater fish, as well as various vertebrates and invertebrates. However, there was als…
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Pepe Herrera 4 million years ago, the region of Santa María Amajac, located in the municipality of Atotonilco el Grande, in the state of Hidalgo, Mexico, was occupied by an old lake system of approximately 85 km2. This system would have been formed by the temporary interruption of the Amajac River. In this area there were plants, insects, diatoms, algae and freshwater fish, as well as various vertebrates and invertebrates. However, there was als…