Aphaenogaster is a genus of myrmicine ants in the tribe Stenammini. About 200 species have been described, including 18 fossil species. They occur worldwide except in South America south of Colombia,
Aphaenogaster sommerfeldti is an extinct species of ant in the subfamily Myrmicinae known from a group of Middle Eocene fossils found in Europe. A. sommerfeldti is one of three species in the ant genu