Williams Formation

The Williams Formation is a Mesozoic geologic formation. Dinosaur remains (including hadrosaurid fragments) are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.^[1] In 1996 Gino Calvano found foot bones, two cervical vertebrae, and a phalanx (toe) from a hadrosaur in this formation, along the western base of the Santa Ana Mountains in Orange County, California.^[2]

Williams Formation
Stratigraphic range: Late Cretaceous
Type	Geological formation
Location
Region	California
Country	United States

See also

• Earth sciences portal
• Paleontology portal
• Dinosaurs portal

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with indeterminate dinosaur fossils

Footnotes

1. Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
2. Hilton (2003), p. 241.

References

• Hilton, Richard P. 2003. Dinosaurs and Other Mesozoic Reptiles of California. Berkeley: University of California Press. 318 pp.
• Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.