Myrmecia mandibularis valid Australia (South Australia). Australasia.
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp.   128685

Myrmecia mandibularis aureorufa synonym of Myrmecia mandibularis Australia. Australasia.
Forel, A. 1910b. Formicides australiens reçus de MM. Froggatt et Rowland Turner. Revue Suisse de Zoologie 18:1-94.   125203

Myrmecia mandibularis postpetiolaris synonym of Myrmecia mandibularis Australia (South Australia, Victoria, Western Australia). Australasia.
Wheeler, W. M. 1933i. Colony founding among ants, with an account of some primitive Australian species. Cambridge, Mass.: Harvard University Press, viii + 179 pp.   130249