Thomas Fork Formation

Thomas Fork Formation
Stratigraphic range: Albian ~112–100 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Lithology
Primary	Sandstone
Location
Coordinates	42°24′N 110°54′W / 42.4°N 110.9°W / 42.4; -110.9
Approximate paleocoordinates	42°24′N 66°42′W / 42.4°N 66.7°W / 42.4; -66.7
Region	Wyoming
Country	United States
Type section
Named for	Thomas Fork Creek
Thomas Fork Formation (the United States) Show map of the United States Thomas Fork Formation (Wyoming) Show map of Wyoming

The Thomas Fork Formation is an Early Cretaceous (Albian) geologic formation in Wyoming.^[1] Fossil dinosaur eggs have been reported from the formation.^[2]

The following fossils were reported from the formation:^[1]

Vertebrates

• Dinosauria indet.^[3]
• Osteichthyes indet.^[3]
• Reptilia indet.^[3]
• Testudines indet.^[3]

Invertebrates

• Bivalves^[3]
• Gastropoda indet.^[3]

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with dinosaur trace fossils
    • Dinosaur eggs

• 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.