Oligocene insects of North America

Protazteca is an extinct genus of ants in the subfamily Dolichoderinae, that were endemic to the United States, which was described by Carpenter in 1930.

Miomyrmex is an extinct genus of ant of the subfamily Dolichoderinae. The fossils were first discovered in the United States in the state of Colorado in 1930.

Elaeomyrmex is an extinct genus of ant in the subfamily Dolichoderinae and containing two species. The fossils were first described from the Florissant Formation, Colorado in 1930.