formation | Command (military formation) | Florissant | Elliot Formation | Lance Formation | Florissant, Missouri | 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 | Hanson Formation | Formation (stratigraphy) | formation (stratigraphy) | Formation | Florissant, Colorado | Centre International de Formation Européenne |
Since its description two other related genera have been described, the late Eocene genus Eulithomyrmex from the Florissant Formation of Colorado, and the living genus Tatuidris from Central and South America.