Laredo Formation
Stratigraphic range: Lutetian (Uintan)
~48–42 Ma

PreЄ

Type| Formation
Unit of| Claiborne Group
Lithology
Primary| Sandstone
Other| Shale, limestone
Location
Coordinates|  [ ⚑ ] : 26°24′N 99°12′W﻿ / ﻿26.4°N 99.2°W﻿ / 26.4; -99.2
Paleocoordinates|  [ ⚑ ] 28°24′N 89°36′W﻿ / ﻿28.4°N 89.6°W﻿ / 28.4; -89.6
Region| Texas
Nuevo León, Tamaulipas
Country|  United States
Mexico

Laredo Formation (Mexico)

The Laredo Formation is a geologic formation and Lagerstätte[1] in Texas , United States, and Nuevo León and Tamaulipas, Mexico. It preserves fossils dating back to the Lutetian stage of the Eocene period.[2] Among many other fossils, the formation has provided invertebrates, vertebrates, leaves, pollen and spores and fossil wood of the brackish water palm Nypa sp.[1]

## See also

* List of fossiliferous stratigraphic units in Mexico
* List of fossiliferous stratigraphic units in Texas
* Paleontology in Texas

## References

1. ↑ 1.0 1.1 Garten & Gee, in Reitner et al., 2013, p.57
2. ↑ Laredo Formation at Fossilworks.org

### Bibliography

* Reitner, Joachim; Yang Qun; Wang Yongdong, and Mike Reich. 2013. Palaeobiology and Geobiology of Fossil Lagerstätten through Earth History, 1-218. Universitätsverlag Göttingen. Accessed 2020-09-15. ISBN 978-3-86395-135-1

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