A fossil (from Classical Latin fossilis; literally, "obtained by digging") is any preserved remains, impression, or trace of any once-living thing from a past geological age.
A formation or geological formation is the fundamental unit of lithostratigraphy.
A geological period is one of several subdivisions of geologic time enabling cross-referencing of rocks and geologic events from place to place.
Oklahoma (Uukuhuúwa, Gahnawiyoˀgeh) is a state in the South Central region of the United States.
Paleontology in Oklahoma refers to paleontological research occurring within or conducted by people from the U.S. state of Oklahoma.
The Permian is a geologic period and system which spans 47 million years from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic period 251.902 Mya.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.