The Livingston Group is a geological formation in Montana whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[1]

Livingston Group
Stratigraphic range: Late Cretaceous
TypeGeological formation
Sub-unitsCokedale Formation, Miner Creek Formation, Billman Creek Formation, Hoppers Formation
UnderliesFort Union Formation
OverliesEagle Sandstone
Location
RegionNorth America
Country US ( Montana)

There are four units of the Livingston Group (from oldest to youngest): Cokedale Formation, Miner Creek Formation, Billman Creek Formation, and Hoppers Formation.[2]

See also

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References

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  1. ^ Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 574-588. ISBN 0-520-24209-2.
  2. ^ Skipp, Betty and McGrew, L.W., 1972, The Upper Cretaceous Livingston Group of the western Crazy Mountains Basin, Montana, in Balster, C., Lynn, J., and Warne, J., eds., Crazy Mountains Basin: Montana Geological Society 21st Annual Geological Conference Guidebook, p. 99-106.