La Sierra de Catorce en San Luis Potosí es una región rica en evidencia fósil. Este libro es una obra de referencia en cuanto a la flora y fauna que habitó esta zona durante el cenozoico, con un enfoque especial en los mamíferos. Ofrece una laboriosa identificación de cada una de las especies fósiles, clasificando y dando detalles sobre cada una de las especies encontradas.

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