The Hagerman Horse Fossil (species Equus simplicidens originally described as Plesippus shoshonensis) is hereby designated and declared to be the state fossil of the state of Idaho.
Idaho Code § 67-4507
The Hagerman Horse Fossil (species Equus simplicidens originally described as Plesippus shoshonensis) is hereby designated and declared to be the state fossil of the state of Idaho.
Idaho Code § 67-4507