Titanomyrma

Titanomyrma is a fossil genus of giant ant. The latest species to be discovered, Titanomyrma lubei, was described in 2011, when a 49.5 million year old fossilized winged queen ant was found in Wyoming. This fossil is the first body of a giant ant found in the Western Hemisphere. The presence of Titanomyrma in North America is considered to indicate "the first reported cross-Arctic dispersal by a thermophilic insect group". Another fossil species of this genus, Titanomyrma gigantea, is the largest known fossil or extant species of giant ant in the world.

Distribution
This taxon is known from and.

Nomenclature

 * † TITANOMYRMA [†Formiciinae]
 * †Titanomyrma Archibald, et al. 2011: 3680. Type-species: †Titanomyrma lubei, by original designation.