Claiborne Formation

Claiborne Formation
Stratigraphic range: Paleogene
Cladrastis-like sp. (Claiborne Formation, Eocene; w. Tennessee)
TypeFormation
Location
RegionArkansas, Illinois, Kentucky, and Texas
CountryUnited States
Type section
Named byTimothy Abbott Conrad

The Claiborne Formation or Claiborne Group is a geologic formation in Arkansas, Illinois, Kentucky, and Texas. It preserves fossils dating back to the Paleogene period .