Columbian Mammoth
The Washington state fossil is the Columbian mammoth (Mammuthus columbi). It was designated as the official state fossil in 1998 due to the significant number of mammoth remains found in the state.
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Gold, Silver, Fossil Fuels, Coal, and Timber
Ohio's state fossil is the trilobite.
Louisiana does not have an official state fossil.
Nevada's state fossil is ichthyosaur
There is currently no state fossil for Arkansas.
California's state fossil is the Saber-toothed tiger.
The Texas state fossil is the petrified pomtree.
Arizona's state fossil is petrified wood
As of March 4, 2011, Indiana does not have a state fossil.
Most U.S. states have a state fossil. However, Indiana is one of the few states that does not have a state fossil.