• McAreavey, 1957: 45 (q.)
• Combination in Stigmacros: Emery, 1925d: 35.
• Combination in Stigmacros (Cyrtostigmacros): McAreavey, 1957: 44.
• Status as species: Emery, 1925d: 35; McAreavey, 1957: 44 (redescription); Taylor & Brown, 1985: 148; Taylor, 1987a: 75; Bolton, 1995b: 394; Heterick, 2009: 117 (in key); Heterick, 2021: 10.
• Senior synonym of Stigmacros armstrongi: Heterick, 2021: 10.

Junior synonyms

• Stigmacros armstrongi McAreavey, 1957

Obsolete combinations

• Acantholepis occidentalis

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Crawley, W. C. 1922e. New ants from Australia (concluded from vol. ix. p. 449). Annals and Magazine of Natural History (9)10:16-36.
• Emery, C. 1925d. Hymenoptera. Fam. Formicidae. Subfam. Formicinae. Genera Insectorum 183:1-302. PDF
• Heterick, B. E. 2009. A guide to the ants of south-western Australia. Records of the Western Australian Museum Supplement 76:1-206. PDF
• Heterick, B. E. 2021. A guide to the ants of Western Australia. Part I: Systematics. Records of the Western Australian Museum Supplement 86:245 pp. 10.18195/issn.0313-122x.86.2021.001-245 PDF
• McAreavey, J. 1957. Revision of the genus Stigmacros Forel. Memoirs of the National Museum of Victoria 21:7-64. PDF
• Taylor, R. W. 1987a. A checklist of the ants of Australia, New Caledonia and New Zealand (Hymenoptera: Formicidae). CSIRO (Commonwealth Scientific and Industrial Research Organization) Division of Entomology Report 41:1-92. PDF
• Taylor, R. W.; Brown, D. R. 1985. Formicoidea. Zoological Catalogue of Australia 2:1-149, 306-348.