formation | Victor Garber | Command (military formation) | Elliot Formation | Lance Formation | Crato Formation | Chinle Formation | Two Medicine Formation | Tamayama Formation | Missing Man Formation (band) | Missing Man Formation | Marcellus Formation | Kirkwood Formation | Gettysburg Formation | Clarens Formation | Whitby Mudstone Formation | Tunbridge Wells Sand Formation | Santana Formation | Phalanx formation | phalanx formation | Mahantango Formation | Leduc Formation | Identity formation | Helen K. Garber | Hanson Formation | Formation (stratigraphy) | formation (stratigraphy) | Formation | Centre International de Formation Européenne | Bakken formation |
It was collected within the Dolese Brothers Limestone Quarry of Richard's Spur in Comanche County, Oklahoma and found in the Garber Formation of the Sumner Group, which dates to the middle Sakmarian stage of the Early Permian, about 289 ± 0.68 million years ago.