Paluxy Formation

The Paluxy Formation is a geological formation found in Texas, Louisiana, Arkansas, Mississippi and Oklahoma, whose strata date back to the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[4]

Paluxy Formation Stratigraphic range: Early Cretaceous
Type	Geological formation
Unit of	Trinity Group
Sub-units	Baum Limestone Member, Georges Creek Member, Lake Merritt Member[1]
Underlies	Walnut Formation (Fredericksburg Group)
Overlies	Glen Rose Formation
Thickness	up to 1,450 ft (440 m)[2]
Lithology
Primary	Sandstone, mudstone, limestone
Location
Region	North America
Type section
Named for	Paluxy, Texas
Named by	Robert Thomas Hill[3]

Paluxy Formation stratigraphic column in Texas

Vertebrate paleofauna

• Coelurosauria indet.[5]
• Cedarosaurus weiskopfae[6]
• Astrophocaudia slaughteri[6]
• Nodosauridae indet.
• Tenontosaurus cf. tilletti

See also

• List of dinosaur-bearing rock formations

References

1. "Geologic Unit: Paluxy". National Geologic Map Database. USGS. Retrieved 31 May 2014.
2. "Summary of Citation: Paluxy". National Geologic Map Database. USGS. Retrieved 31 May 2014.
3. Hill, R.T. (1891). "The Comanche series of the Texas-Arkansas region". Bulletin of the Geological Society of America. 2 (1): 504, 509, 510–511.
4. Weishampel, David B; et al. (2004). "Dinosaur distribution (Early Cretaceous, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 553-556. ISBN 0-520-24209-2.
5. Langston, W. 1974. Nonmammalian Comanchean tetrapods. Geoscience and Man 8: 77-102.
6. D’Emic, Michael D. (2012). "Revision of the sauropod dinosaurs of the Lower Cretaceous Trinity Group, southern USA, with the description of a new genus". Journal of Systematic Palaeontology. 11 (6): 707–726. doi:10.1080/14772019.2012.667446.