No current usage.
(Rocks of †Teton Formation (WY) reallocated to Phosphoria Formation. See Phosphoria.)
Permian
Triassic
Named from Teton Range southwest of Yellowstone Park (Weed, 1896).
Yellowstone province
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).