Article · Wikipedia archive · Last revised Jul 2, 2026

Thomas Fork Formation

The Thomas Fork Formation is an Early Cretaceous (Albian) geologic formation in Wyoming. Fossil dinosaur eggs have been reported from the formation.

Last revised
Jul 2, 2026
Read time
≈ 1 min
Length
173 w
Citations
9
Source
Thomas Fork Formation
Stratigraphic range: Albian
~
TypeGeological formation
Lithology
PrimarySandstone
Location
Coordinates42°24′N 110°54′W / 42.4°N 110.9°W / 42.4; -110.9
Approximate paleocoordinates42°24′N 66°42′W / 42.4°N 66.7°W / 42.4; -66.7
RegionWyoming
CountryUnited States
Type section
Named forThomas Fork Creek
Thomas Fork Formation (the United States)
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Thomas Fork Formation (Wyoming)
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The Thomas Fork Formation is an Early Cretaceous (Albian) geologic formation in Wyoming.1 Fossil dinosaur eggs have been reported from the formation.2

Fossil content

The following fossils were reported from the formation:1

Vertebrates
Invertebrates
See also

See also

References

References

  1. Thomas Fork Formation at Fossilworks.org
  2. Weishampel et al., 2004, pp.517-607
  3. Dorr Jr., 1985

Bibliography

  • Weishampel, David B.; Dodson, Peter; Osmólska, Halszka, eds. (2004). The Dinosauria (2nd ed.). Berkeley: University of California Press. pp. 1–880. ISBN 0-520-24209-2. Retrieved 2019-02-21.
  • Dorr, J. A. Jr (1985). "Newfound Early Cretaceous dinosaurs and other fossils in southeastern Idaho and westernmost Wyoming". Contributions from the Museum of Paleontology, University of Michigan. 27: 73–85.