An exposure from the Pliocene-Pleistocene Epoch within the Tulare Formation of the Kettleman Hills geographic area of California. The zone is named for a small snail species that is abundant within the formation.
An exposure from the Pliocene-Pleistocene Epoch within the Tulare Formation of the Kettleman Hills geographic area of California. The zone is named for a small snail species that is abundant within the formation.