Acromyrmex heyeri valid Brazil (Rio Grande do Sul). Neotropic.
Forel, A. 1899d. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:25-56.   142479

Acromyrmex heyeri gaudens synonym of Acromyrmex heyeri Argentina. Neotropic.
Santschi, F. 1925a. Revision du genre Acromyrmex Mayr. Revue Suisse de Zoologie 31:355-398.   128353

Acromyrmex heyeri lillensis synonym of Acromyrmex heyeri Argentina (Santa Fe). Neotropic.
Santschi, F. 1925a. Revision du genre Acromyrmex Mayr. Revue Suisse de Zoologie 31:355-398.   128353