1. The Laredo Formation is a geological formation and Lagerstätte in Tamaulipas and Nuevo León, Mexico, as well as Texas, United States.
2. It protects fossils that date back to the Eocene Lutetian stage.
3. The formation has produced a variety of different fossils, including insects, vertebrates, leaves, pollen, spores, and fossilised wood from the brackish water palm Nypa sp.